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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_85BA3B6A5688E506A7BC19ACBEDA1D69" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_BC18CE11BEA78990535B19ACBEDA70EC" xlink:type="locator" />
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    <link:label id="lab_utx_ASU201609Member_2D7CF003CDBE3288CF0F1A6671B310A5_terseLabel_en-US" xlink:label="lab_utx_ASU201609Member_2D7CF003CDBE3288CF0F1A6671B310A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ASU 2016-09 [Member]</link:label>
    <link:label id="lab_utx_ASU201609Member_2D7CF003CDBE3288CF0F1A6671B310A5_label_en-US" xlink:label="lab_utx_ASU201609Member_2D7CF003CDBE3288CF0F1A6671B310A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ASU 2016-09 [Member]</link:label>
    <link:label id="lab_utx_ASU201609Member_2D7CF003CDBE3288CF0F1A6671B310A5_documentation_en-US" xlink:label="lab_utx_ASU201609Member_2D7CF003CDBE3288CF0F1A6671B310A5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This ASU is intended to simplify several aspects of the accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_ASU201609Member" xlink:label="loc_utx_ASU201609Member_2D7CF003CDBE3288CF0F1A6671B310A5" xlink:type="locator" />
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    <link:label id="lab_utx_ASU201615Member_C705CBBA96193027F55F19ACBEDAA87C_terseLabel_en-US" xlink:label="lab_utx_ASU201615Member_C705CBBA96193027F55F19ACBEDAA87C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ASU 2016-15 [Member]</link:label>
    <link:label id="lab_utx_ASU201615Member_C705CBBA96193027F55F19ACBEDAA87C_label_en-US" xlink:label="lab_utx_ASU201615Member_C705CBBA96193027F55F19ACBEDAA87C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ASU 2016-15 [Member]</link:label>
    <link:label id="lab_utx_ASU201615Member_C705CBBA96193027F55F19ACBEDAA87C_documentation_en-US" xlink:label="lab_utx_ASU201615Member_C705CBBA96193027F55F19ACBEDAA87C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ASU reduces diversity in presentation and classification of certain cash receipts and cash payments on eight specific cash flow issues. The provisions of this ASU are effective for years beginning after December 15, 2017, with early adoption permitted.</link:label>
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    <link:label id="lab_utx_NewAccountingPronouncementsAxis_CEC92AEB11E6A157FAF319ACBEDADB6F_terseLabel_en-US" xlink:label="lab_utx_NewAccountingPronouncementsAxis_CEC92AEB11E6A157FAF319ACBEDADB6F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New Accounting Pronouncements [Axis]</link:label>
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    <link:loc xlink:href="utx-20161231.xsd#utx_NewAccountingPronouncementsAxis" xlink:label="loc_utx_NewAccountingPronouncementsAxis_CEC92AEB11E6A157FAF319ACBEDADB6F" xlink:type="locator" />
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    <link:label id="lab_utx_NewAccountingPronouncementsDomain_4E06BB06722BB1C3AA7A19ACBEDACA57_label_en-US" xlink:label="lab_utx_NewAccountingPronouncementsDomain_4E06BB06722BB1C3AA7A19ACBEDACA57" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Accounting Pronouncements [Domain]</link:label>
    <link:label id="lab_utx_NewAccountingPronouncementsDomain_4E06BB06722BB1C3AA7A19ACBEDACA57_documentation_en-US" xlink:label="lab_utx_NewAccountingPronouncementsDomain_4E06BB06722BB1C3AA7A19ACBEDACA57" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">[Domain] for New Accounting Pronouncements [Axis]</link:label>
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    <link:label id="lab_utx_ASU201616Member_D05500FEEEC79CEE3B3919ACBEDAE7DF_terseLabel_en-US" xlink:label="lab_utx_ASU201616Member_D05500FEEEC79CEE3B3919ACBEDAE7DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ASU 2016-16 [Member]</link:label>
    <link:label id="lab_utx_ASU201616Member_D05500FEEEC79CEE3B3919ACBEDAE7DF_label_en-US" xlink:label="lab_utx_ASU201616Member_D05500FEEEC79CEE3B3919ACBEDAE7DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ASU 2016-16 [Member]</link:label>
    <link:label id="lab_utx_ASU201616Member_D05500FEEEC79CEE3B3919ACBEDAE7DF_documentation_en-US" xlink:label="lab_utx_ASU201616Member_D05500FEEEC79CEE3B3919ACBEDAE7DF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income taxes (Topic 740): Intra-Entity Transfers of Assets Other Than Inventory. Requires the income tax consequences of an intra-entity transfer of an asset, other than inventory, to be recognized when the transfer occurs.</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_100FFEC7598095B44AB01E6266C14CC6_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_100FFEC7598095B44AB01E6266C14CC6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in:</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_100FFEC7598095B44AB01E6266C14CC6_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_100FFEC7598095B44AB01E6266C14CC6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_100FFEC7598095B44AB01E6266C14CC6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInReceivables_E46D1DB6B250CBB40B6C1E6266C1B6A6_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInReceivables_E46D1DB6B250CBB40B6C1E6266C1B6A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInReceivables_E46D1DB6B250CBB40B6C1E6266C1B6A6_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInReceivables_E46D1DB6B250CBB40B6C1E6266C1B6A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Receivables</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_E46D1DB6B250CBB40B6C1E6266C1B6A6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInReceivables_E46D1DB6B250CBB40B6C1E6266C1B6A6" xlink:to="lab_us-gaap_IncreaseDecreaseInReceivables_E46D1DB6B250CBB40B6C1E6266C1B6A6" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInInventories_EDFEDA619098880DB8F21E6266C13CE5_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_EDFEDA619098880DB8F21E6266C13CE5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories and contracts in progress</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInInventories_EDFEDA619098880DB8F21E6266C13CE5_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_EDFEDA619098880DB8F21E6266C13CE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Inventories</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_EDFEDA619098880DB8F21E6266C13CE5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInInventories_EDFEDA619098880DB8F21E6266C13CE5" xlink:to="lab_us-gaap_IncreaseDecreaseInInventories_EDFEDA619098880DB8F21E6266C13CE5" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_67D3BDD274C647E026D41E6266C1590B_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_67D3BDD274C647E026D41E6266C1590B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other current assets</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_67D3BDD274C647E026D41E6266C1590B_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_67D3BDD274C647E026D41E6266C1590B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Other Operating Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_67D3BDD274C647E026D41E6266C1590B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_67D3BDD274C647E026D41E6266C1590B" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_67D3BDD274C647E026D41E6266C1590B" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_D47729332279821EC8481E6266C1895F_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_D47729332279821EC8481E6266C1895F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable and accrued liabilities</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_D47729332279821EC8481E6266C1895F_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_D47729332279821EC8481E6266C1895F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Payable and Accrued Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_D47729332279821EC8481E6266C1895F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_D47729332279821EC8481E6266C1895F" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_D47729332279821EC8481E6266C1895F" xlink:type="arc" />
    <link:label id="lab_us-gaap_PensionContributions_9540F726D7A54AD682D11E6266C162EF_terseLabel_en-US" xlink:label="lab_us-gaap_PensionContributions_9540F726D7A54AD682D11E6266C162EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Global pension contributions</link:label>
    <link:label id="lab_us-gaap_PensionContributions_9540F726D7A54AD682D11E6266C162EF_label_en-US" xlink:label="lab_us-gaap_PensionContributions_9540F726D7A54AD682D11E6266C162EF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Contributions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PensionContributions" xlink:label="loc_us-gaap_PensionContributions_9540F726D7A54AD682D11E6266C162EF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_712658AFFD66BED767871E6266C1DD28_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_712658AFFD66BED767871E6266C1DD28" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other operating activities, net</link:label>
    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_712658AFFD66BED767871E6266C1DD28_label_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_712658AFFD66BED767871E6266C1DD28" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Noncash Income (Expense)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_712658AFFD66BED767871E6266C1DD28" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNoncashIncomeExpense_712658AFFD66BED767871E6266C1DD28" xlink:to="lab_us-gaap_OtherNoncashIncomeExpense_712658AFFD66BED767871E6266C1DD28" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_187DBEEFD5BF571936791E6266C1DE17_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_187DBEEFD5BF571936791E6266C1DE17" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net Cash Provided by Operating Activities, Continuing Operations</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_187DBEEFD5BF571936791E6266C1DE17_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_187DBEEFD5BF571936791E6266C1DE17" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities, Continuing Operations</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_187DBEEFD5BF571936791E6266C1DE17" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_187DBEEFD5BF571936791E6266C1DE17" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_187DBEEFD5BF571936791E6266C1DE17" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_CB0AE5C45FB12E71FACB1E6266C16C9D_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_CB0AE5C45FB12E71FACB1E6266C16C9D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investing Activities of Continuing Operations:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_CB0AE5C45FB12E71FACB1E6266C16C9D_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_CB0AE5C45FB12E71FACB1E6266C16C9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_CB0AE5C45FB12E71FACB1E6266C16C9D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_CB0AE5C45FB12E71FACB1E6266C16C9D" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_CB0AE5C45FB12E71FACB1E6266C16C9D" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireProductiveAssets_26EB4F661C5558DAAA8D1E6266C1856D_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireProductiveAssets_26EB4F661C5558DAAA8D1E6266C1856D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital expenditures</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireProductiveAssets_26EB4F661C5558DAAA8D1E6266C1856D_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireProductiveAssets_26EB4F661C5558DAAA8D1E6266C1856D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Productive Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_26EB4F661C5558DAAA8D1E6266C1856D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsToAcquireFinanceReceivables_FA216BAFA83435DAA0351E6266C1EF5A_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireFinanceReceivables_FA216BAFA83435DAA0351E6266C1EF5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in customer financing assets</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireFinanceReceivables_FA216BAFA83435DAA0351E6266C1EF5A_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireFinanceReceivables_FA216BAFA83435DAA0351E6266C1EF5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Finance Receivables</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireFinanceReceivables" xlink:label="loc_us-gaap_PaymentsToAcquireFinanceReceivables_FA216BAFA83435DAA0351E6266C1EF5A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireFinanceReceivables_FA216BAFA83435DAA0351E6266C1EF5A" xlink:to="lab_us-gaap_PaymentsToAcquireFinanceReceivables_FA216BAFA83435DAA0351E6266C1EF5A" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromCollectionOfFinanceReceivables_48E22276069FAA142E731E6266C11226_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromCollectionOfFinanceReceivables_48E22276069FAA142E731E6266C11226" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Decrease in customer financing assets</link:label>
    <link:label id="lab_us-gaap_ProceedsFromCollectionOfFinanceReceivables_48E22276069FAA142E731E6266C11226_label_en-US" xlink:label="lab_us-gaap_ProceedsFromCollectionOfFinanceReceivables_48E22276069FAA142E731E6266C11226" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Collection of Finance Receivables</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromCollectionOfFinanceReceivables" xlink:label="loc_us-gaap_ProceedsFromCollectionOfFinanceReceivables_48E22276069FAA142E731E6266C11226" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromCollectionOfFinanceReceivables_48E22276069FAA142E731E6266C11226" xlink:to="lab_us-gaap_ProceedsFromCollectionOfFinanceReceivables_48E22276069FAA142E731E6266C11226" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates_E2FE95CD656D1383D48A1E6266C107B1_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates_E2FE95CD656D1383D48A1E6266C107B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments in businesses</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates_E2FE95CD656D1383D48A1E6266C107B1_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates_E2FE95CD656D1383D48A1E6266C107B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Businesses and Interest in Affiliates</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates_E2FE95CD656D1383D48A1E6266C107B1" xlink:type="locator" />
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    <link:label id="lab_utx_Notes4500Due2042Member_D36C1D5E906C15871B4515384FCFA62A_documentation_en-US" xlink:label="lab_utx_Notes4500Due2042Member_D36C1D5E906C15871B4515384FCFA62A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt security issued by a domestic corporate business entity with a promise of repayment.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Notes4500Due2042Member" xlink:label="loc_utx_Notes4500Due2042Member_D36C1D5E906C15871B4515384FCFA62A" xlink:type="locator" />
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    <link:label id="lab_utx_Notes4.150Due2045MemberMember_41E3DEE100CE9CF7784D15384FCF2D53_terseLabel_en-US" xlink:label="lab_utx_Notes4.150Due2045MemberMember_41E3DEE100CE9CF7784D15384FCF2D53" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes 4.150% Due 2045 [Member]</link:label>
    <link:label id="lab_utx_Notes4.150Due2045MemberMember_41E3DEE100CE9CF7784D15384FCF2D53_label_en-US" xlink:label="lab_utx_Notes4.150Due2045MemberMember_41E3DEE100CE9CF7784D15384FCF2D53" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes 4.150% Due 2045 [Member] [Member]</link:label>
    <link:label id="lab_utx_Notes4.150Due2045MemberMember_41E3DEE100CE9CF7784D15384FCF2D53_documentation_en-US" xlink:label="lab_utx_Notes4.150Due2045MemberMember_41E3DEE100CE9CF7784D15384FCF2D53" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt security issued by a domestic corporate business entity with a promise of repayment.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Notes4.150Due2045MemberMember" xlink:label="loc_utx_Notes4.150Due2045MemberMember_41E3DEE100CE9CF7784D15384FCF2D53" xlink:type="locator" />
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    <link:label id="lab_utx_Notes3.750Due2046Member_57CD63A521C073E45FB715384FCFA996_terseLabel_en-US" xlink:label="lab_utx_Notes3.750Due2046Member_57CD63A521C073E45FB715384FCFA996" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes 3.750% Due 2046 [Member]</link:label>
    <link:label id="lab_utx_Notes3.750Due2046Member_57CD63A521C073E45FB715384FCFA996_label_en-US" xlink:label="lab_utx_Notes3.750Due2046Member_57CD63A521C073E45FB715384FCFA996" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes 3.750% Due 2046 [Member]</link:label>
    <link:label id="lab_utx_Notes3.750Due2046Member_57CD63A521C073E45FB715384FCFA996_documentation_en-US" xlink:label="lab_utx_Notes3.750Due2046Member_57CD63A521C073E45FB715384FCFA996" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt security issued by a domestic corporate business entity with a promise of repayment.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Notes3.750Due2046Member" xlink:label="loc_utx_Notes3.750Due2046Member_57CD63A521C073E45FB715384FCFA996" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentLineItems_B3DF521D759B90E3701615384FCF7139_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_B3DF521D759B90E3701615384FCF7139" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_B3DF521D759B90E3701615384FCF7139_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_B3DF521D759B90E3701615384FCF7139" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_B3DF521D759B90E3701615384FCF7139" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B3DF521D759B90E3701615384FCF7139" xlink:to="lab_us-gaap_DebtInstrumentLineItems_B3DF521D759B90E3701615384FCF7139" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_1B2858D354447C307FE615384FCF9174_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_1B2858D354447C307FE615384FCF9174" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Carrying Amount</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_1B2858D354447C307FE615384FCF9174_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_1B2858D354447C307FE615384FCF9174" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_1B2858D354447C307FE615384FCF9174" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_1B2858D354447C307FE615384FCF9174" xlink:to="lab_us-gaap_DebtInstrumentCarryingAmount_1B2858D354447C307FE615384FCF9174" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_C38058C8172DE876DED015384FCF97A6_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_C38058C8172DE876DED015384FCF97A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_C38058C8172DE876DED015384FCF97A6_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_C38058C8172DE876DED015384FCF97A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_C38058C8172DE876DED015384FCF97A6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentMaturityDateDescription_C4EB14C7B23B829947FB15384FCFB60D_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentMaturityDateDescription_C4EB14C7B23B829947FB15384FCFB60D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Maturity Year Date</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentMaturityDateDescription_C4EB14C7B23B829947FB15384FCFB60D_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentMaturityDateDescription_C4EB14C7B23B829947FB15384FCFB60D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Maturity Date, Description</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentMaturityDateDescription" xlink:label="loc_us-gaap_DebtInstrumentMaturityDateDescription_C4EB14C7B23B829947FB15384FCFB60D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentCallFeature_F8714B2AF79566FBC26B15384FCF88B1_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCallFeature_F8714B2AF79566FBC26B15384FCF88B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Call Feature</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentCallFeature_F8714B2AF79566FBC26B15384FCF88B1_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCallFeature_F8714B2AF79566FBC26B15384FCF88B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Call Feature</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentCallFeature" xlink:label="loc_us-gaap_DebtInstrumentCallFeature_F8714B2AF79566FBC26B15384FCF88B1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCallFeature_F8714B2AF79566FBC26B15384FCF88B1" xlink:to="lab_us-gaap_DebtInstrumentCallFeature_F8714B2AF79566FBC26B15384FCF88B1" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherLoansPayable_61B7AF7E96EF0418894715384FCFF8A8_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLoansPayable_61B7AF7E96EF0418894715384FCFF8A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Project financing obligations</link:label>
    <link:label id="lab_us-gaap_OtherLoansPayable_61B7AF7E96EF0418894715384FCFF8A8_label_en-US" xlink:label="lab_us-gaap_OtherLoansPayable_61B7AF7E96EF0418894715384FCFF8A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Loans Payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherLoansPayable" xlink:label="loc_us-gaap_OtherLoansPayable_61B7AF7E96EF0418894715384FCFF8A8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLoansPayable_61B7AF7E96EF0418894715384FCFF8A8" xlink:to="lab_us-gaap_OtherLoansPayable_61B7AF7E96EF0418894715384FCFF8A8" xlink:type="arc" />
    <link:label id="lab_utx_PrincipalLongTermDebt_E04AC6B789383368AD5115384FCF3CDC_totalLabel_en-US" xlink:label="lab_utx_PrincipalLongTermDebt_E04AC6B789383368AD5115384FCF3CDC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total principal long-term debt</link:label>
    <link:label id="lab_utx_PrincipalLongTermDebt_E04AC6B789383368AD5115384FCF3CDC_label_en-US" xlink:label="lab_utx_PrincipalLongTermDebt_E04AC6B789383368AD5115384FCF3CDC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Principal Long-Term Debt</link:label>
    <link:label id="lab_utx_PrincipalLongTermDebt_E04AC6B789383368AD5115384FCF3CDC_documentation_en-US" xlink:label="lab_utx_PrincipalLongTermDebt_E04AC6B789383368AD5115384FCF3CDC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Including both current and noncurrent portions, carrying amount as of the balance-sheet date principal debt not elsewhere specified in the taxonomy with initial maturities beyond one year or beyond the normal operating cycle, if longer.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_PrincipalLongTermDebt" xlink:label="loc_utx_PrincipalLongTermDebt_E04AC6B789383368AD5115384FCF3CDC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_PrincipalLongTermDebt_E04AC6B789383368AD5115384FCF3CDC" xlink:to="lab_utx_PrincipalLongTermDebt_E04AC6B789383368AD5115384FCF3CDC" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherLongTermDebt_8DEA6B1C0F73E9E8DECD15384FCFA53F_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLongTermDebt_8DEA6B1C0F73E9E8DECD15384FCFA53F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other debt (including capitalized leases)</link:label>
    <link:label id="lab_us-gaap_OtherLongTermDebt_8DEA6B1C0F73E9E8DECD15384FCFA53F_label_en-US" xlink:label="lab_us-gaap_OtherLongTermDebt_8DEA6B1C0F73E9E8DECD15384FCFA53F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Long-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherLongTermDebt" xlink:label="loc_us-gaap_OtherLongTermDebt_8DEA6B1C0F73E9E8DECD15384FCFA53F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLongTermDebt_8DEA6B1C0F73E9E8DECD15384FCFA53F" xlink:to="lab_us-gaap_OtherLongTermDebt_8DEA6B1C0F73E9E8DECD15384FCFA53F" xlink:type="arc" />
    <link:label id="lab_utx_OtherLongTermDebtFairMarketValueAdjustments_917FA5722C0FCE9625DC15384FCF7DED_terseLabel_en-US" xlink:label="lab_utx_OtherLongTermDebtFairMarketValueAdjustments_917FA5722C0FCE9625DC15384FCF7DED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other (fair market value adjustments, discounts and debt issuance costs)</link:label>
    <link:label id="lab_utx_OtherLongTermDebtFairMarketValueAdjustments_917FA5722C0FCE9625DC15384FCF7DED_label_en-US" xlink:label="lab_utx_OtherLongTermDebtFairMarketValueAdjustments_917FA5722C0FCE9625DC15384FCF7DED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Long-Term Debt Fair Market Value Adjustments</link:label>
    <link:label id="lab_utx_OtherLongTermDebtFairMarketValueAdjustments_917FA5722C0FCE9625DC15384FCF7DED_documentation_en-US" xlink:label="lab_utx_OtherLongTermDebtFairMarketValueAdjustments_917FA5722C0FCE9625DC15384FCF7DED" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Including both current and noncurrent portions, fair market value adjustments of debt not elsewhere specified in the taxonomy with initial maturities beyond one year or beyond the normal operating cycle, if longer.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_OtherLongTermDebtFairMarketValueAdjustments" xlink:label="loc_utx_OtherLongTermDebtFairMarketValueAdjustments_917FA5722C0FCE9625DC15384FCF7DED" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermDebt_C8C95EE305B03C486CAE15384FCFB5D4_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_C8C95EE305B03C486CAE15384FCFB5D4" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total long-term debt</link:label>
    <link:label id="lab_us-gaap_LongTermDebt_C8C95EE305B03C486CAE15384FCFB5D4_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_C8C95EE305B03C486CAE15384FCFB5D4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_C8C95EE305B03C486CAE15384FCFB5D4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebt_C8C95EE305B03C486CAE15384FCFB5D4" xlink:to="lab_us-gaap_LongTermDebt_C8C95EE305B03C486CAE15384FCFB5D4" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_C2168527B7F3FACE575F15384FCF1CE5_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_C2168527B7F3FACE575F15384FCF1CE5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Less: current portion</link:label>
    <link:label id="lab_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_C2168527B7F3FACE575F15384FCF1CE5_label_en-US" xlink:label="lab_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_C2168527B7F3FACE575F15384FCF1CE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt and Capital Lease Obligations, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_C2168527B7F3FACE575F15384FCF1CE5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_C2168527B7F3FACE575F15384FCF1CE5" xlink:to="lab_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_C2168527B7F3FACE575F15384FCF1CE5" xlink:type="arc" />
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    <link:label id="lab_utx_Recognizedactuarialnetgainlossinnetperiodiccost_AA66D8EDC7C9CFCE76861F936B6E2983_terseLabel_en-US" xlink:label="lab_utx_Recognizedactuarialnetgainlossinnetperiodiccost_AA66D8EDC7C9CFCE76861F936B6E2983" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recognized actuarial net (gain) loss - in net periodic cost</link:label>
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    <link:label id="lab_utx_Recognizedactuarialnetgainlossinnetperiodiccost_AA66D8EDC7C9CFCE76861F936B6E2983_documentation_en-US" xlink:label="lab_utx_Recognizedactuarialnetgainlossinnetperiodiccost_AA66D8EDC7C9CFCE76861F936B6E2983" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Recognized actuarial net (gain) loss - in net periodic cost</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_68C94FCB2FDD5264B1E81F936B6EE0AD_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_68C94FCB2FDD5264B1E81F936B6EE0AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net settlement, curtailment and special termination benefits loss</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_68C94FCB2FDD5264B1E81F936B6EE0AD_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_68C94FCB2FDD5264B1E81F936B6EE0AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_68C94FCB2FDD5264B1E81F936B6EE0AD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_68C94FCB2FDD5264B1E81F936B6EE0AD" xlink:to="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_68C94FCB2FDD5264B1E81F936B6EE0AD" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_2A219E62F6B8B6F066A11F936B6E2610_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_2A219E62F6B8B6F066A11F936B6E2610" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impact of change in estimation of NPPC</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_2A219E62F6B8B6F066A11F936B6E2610" xlink:to="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_2A219E62F6B8B6F066A11F936B6E2610" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_EB2ABF190CE43CA113FA1F936B6E00BE_verboseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_EB2ABF190CE43CA113FA1F936B6E00BE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current year actuarial loss (gain)</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_EB2ABF190CE43CA113FA1F936B6E00BE_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_EB2ABF190CE43CA113FA1F936B6E00BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Actuarial Gain (Loss), before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax" xlink:label="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_EB2ABF190CE43CA113FA1F936B6E00BE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_EB2ABF190CE43CA113FA1F936B6E00BE" xlink:to="lab_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_EB2ABF190CE43CA113FA1F936B6E00BE" xlink:type="arc" />
    <link:label id="lab_utx_Amortizationofactuarialnetloss_687DD38C3E2DFF3189E91F936B6E5FDB_terseLabel_en-US" xlink:label="lab_utx_Amortizationofactuarialnetloss_687DD38C3E2DFF3189E91F936B6E5FDB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of actuarial (loss) gain</link:label>
    <link:label id="lab_utx_Amortizationofactuarialnetloss_687DD38C3E2DFF3189E91F936B6E5FDB_label_en-US" xlink:label="lab_utx_Amortizationofactuarialnetloss_687DD38C3E2DFF3189E91F936B6E5FDB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of actuarial net loss</link:label>
    <link:label id="lab_utx_Amortizationofactuarialnetloss_687DD38C3E2DFF3189E91F936B6E5FDB_documentation_en-US" xlink:label="lab_utx_Amortizationofactuarialnetloss_687DD38C3E2DFF3189E91F936B6E5FDB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization of actuarial net (loss) gain</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Amortizationofactuarialnetloss" xlink:label="loc_utx_Amortizationofactuarialnetloss_687DD38C3E2DFF3189E91F936B6E5FDB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Amortizationofactuarialnetloss_687DD38C3E2DFF3189E91F936B6E5FDB" xlink:to="lab_utx_Amortizationofactuarialnetloss_687DD38C3E2DFF3189E91F936B6E5FDB" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax_B71568E5B09B643FE1501F936B6E64C1_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax_B71568E5B09B643FE1501F936B6E64C1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current year prior service cost/credit</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax_B71568E5B09B643FE1501F936B6E64C1_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax_B71568E5B09B643FE1501F936B6E64C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit) Arising During Period, before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax_B71568E5B09B643FE1501F936B6E64C1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_9BED356D9B4BB0BF64E71F936B6E8C58_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_9BED356D9B4BB0BF64E71F936B6E8C58" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Amortization of prior service credit</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_9BED356D9B4BB0BF64E71F936B6E8C58_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_9BED356D9B4BB0BF64E71F936B6E8C58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_9BED356D9B4BB0BF64E71F936B6E8C58" xlink:type="locator" />
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    <link:label id="lab_utx_OtherComprehensiveIncomenetsettlementandcurtailmentloss_B296054FB3F80CF8F0601F936B6EF3F6_terseLabel_en-US" xlink:label="lab_utx_OtherComprehensiveIncomenetsettlementandcurtailmentloss_B296054FB3F80CF8F0601F936B6EF3F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net settlement and curtailment loss</link:label>
    <link:label id="lab_utx_OtherComprehensiveIncomenetsettlementandcurtailmentloss_B296054FB3F80CF8F0601F936B6EF3F6_label_en-US" xlink:label="lab_utx_OtherComprehensiveIncomenetsettlementandcurtailmentloss_B296054FB3F80CF8F0601F936B6EF3F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income, net settlement and curtailment loss</link:label>
    <link:label id="lab_utx_OtherComprehensiveIncomenetsettlementandcurtailmentloss_B296054FB3F80CF8F0601F936B6EF3F6_documentation_en-US" xlink:label="lab_utx_OtherComprehensiveIncomenetsettlementandcurtailmentloss_B296054FB3F80CF8F0601F936B6EF3F6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income, net settlement and curtailment loss</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_OtherComprehensiveIncomenetsettlementandcurtailmentloss" xlink:label="loc_utx_OtherComprehensiveIncomenetsettlementandcurtailmentloss_B296054FB3F80CF8F0601F936B6EF3F6" xlink:type="locator" />
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    <link:label id="lab_utx_OtherComprehensiveIncomeDefinedBenefitPlansOther_D40117862CFD9EDDE7E21F936B6E5BDF_terseLabel_en-US" xlink:label="lab_utx_OtherComprehensiveIncomeDefinedBenefitPlansOther_D40117862CFD9EDDE7E21F936B6E5BDF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_utx_OtherComprehensiveIncomeDefinedBenefitPlansOther_D40117862CFD9EDDE7E21F936B6E5BDF_label_en-US" xlink:label="lab_utx_OtherComprehensiveIncomeDefinedBenefitPlansOther_D40117862CFD9EDDE7E21F936B6E5BDF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income Defined Benefit Plans Other</link:label>
    <link:label id="lab_utx_OtherComprehensiveIncomeDefinedBenefitPlansOther_D40117862CFD9EDDE7E21F936B6E5BDF_documentation_en-US" xlink:label="lab_utx_OtherComprehensiveIncomeDefinedBenefitPlansOther_D40117862CFD9EDDE7E21F936B6E5BDF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amounts recognized in other comprehensive income (but not yet recognized in net periodic benefit cost) not otherwise specified in the taxonomy.</link:label>
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    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_98BF99BA65691206E1B81F936B6EF397_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_98BF99BA65691206E1B81F936B6EF397" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total recognized in other comprehensive loss</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_98BF99BA65691206E1B81F936B6EF397_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_98BF99BA65691206E1B81F936B6EF397" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_98BF99BA65691206E1B81F936B6EF397" xlink:type="locator" />
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    <link:label id="lab_utx_NetRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLoss_152013E8974F41772E821F936B6EB8EE_verboseLabel_en-US" xlink:label="lab_utx_NetRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLoss_152013E8974F41772E821F936B6EB8EE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net recognized in net periodic pension cost and other comprehensive loss</link:label>
    <link:label id="lab_utx_NetRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLoss_152013E8974F41772E821F936B6EB8EE_label_en-US" xlink:label="lab_utx_NetRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLoss_152013E8974F41772E821F936B6EB8EE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Recognized In Net Periodic Benefit Cost And Other Comprehensive Income Loss</link:label>
    <link:label id="lab_utx_NetRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLoss_152013E8974F41772E821F936B6EB8EE_documentation_en-US" xlink:label="lab_utx_NetRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLoss_152013E8974F41772E821F936B6EB8EE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amounts recognized in other comprehensive income and net periodic benefit cost arising during the period.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_NetRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLoss" xlink:label="loc_utx_NetRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLoss_152013E8974F41772E821F936B6EB8EE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityTable_0090CF5390E8DBBF14891F9870C3F98C_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityTable_0090CF5390E8DBBF14891F9870C3F98C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Table]</link:label>
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    <link:label id="lab_us-gaap_GuaranteeObligationsNatureDomain_111393EBECEC6ABE571504D2866A2A4B_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsNatureDomain_111393EBECEC6ABE571504D2866A2A4B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantee Obligations Nature [Domain]</link:label>
    <link:label id="lab_us-gaap_GuaranteeObligationsNatureDomain_111393EBECEC6ABE571504D2866A2A4B_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsNatureDomain_111393EBECEC6ABE571504D2866A2A4B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantor Obligations, Nature [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_111393EBECEC6ABE571504D2866A2A4B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_111393EBECEC6ABE571504D2866A2A4B" xlink:to="lab_us-gaap_GuaranteeObligationsNatureDomain_111393EBECEC6ABE571504D2866A2A4B" xlink:type="arc" />
    <link:label id="lab_utx_CreditFacilitiesAndDebtObligationsUnconsolidatedSubsidiariesMember_9FFAC638EDFF06AC6A7E04D2866A376A_terseLabel_en-US" xlink:label="lab_utx_CreditFacilitiesAndDebtObligationsUnconsolidatedSubsidiariesMember_9FFAC638EDFF06AC6A7E04D2866A376A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facilities And Debt Obligations (expire 2017 to 2028)</link:label>
    <link:label id="lab_utx_CreditFacilitiesAndDebtObligationsUnconsolidatedSubsidiariesMember_9FFAC638EDFF06AC6A7E04D2866A376A_label_en-US" xlink:label="lab_utx_CreditFacilitiesAndDebtObligationsUnconsolidatedSubsidiariesMember_9FFAC638EDFF06AC6A7E04D2866A376A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facilities And Debt Obligations Unconsolidated Subsidiaries [Member]</link:label>
    <link:label id="lab_utx_CreditFacilitiesAndDebtObligationsUnconsolidatedSubsidiariesMember_9FFAC638EDFF06AC6A7E04D2866A376A_documentation_en-US" xlink:label="lab_utx_CreditFacilitiesAndDebtObligationsUnconsolidatedSubsidiariesMember_9FFAC638EDFF06AC6A7E04D2866A376A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">An agreement (contract) that requires the guarantor to make payments to the guaranteed party based on another entity's failure to pay specified obligations, such as debt, to a lender. This represents credit facilities and debt obligations for unconsolidated subsidiaries.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_CreditFacilitiesAndDebtObligationsUnconsolidatedSubsidiariesMember" xlink:label="loc_utx_CreditFacilitiesAndDebtObligationsUnconsolidatedSubsidiariesMember_9FFAC638EDFF06AC6A7E04D2866A376A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_CreditFacilitiesAndDebtObligationsUnconsolidatedSubsidiariesMember_9FFAC638EDFF06AC6A7E04D2866A376A" xlink:to="lab_utx_CreditFacilitiesAndDebtObligationsUnconsolidatedSubsidiariesMember_9FFAC638EDFF06AC6A7E04D2866A376A" xlink:type="arc" />
    <link:label id="lab_utx_CommercialAerospaceMember_F75A2C64D4594AE01C7804D2866A3A54_verboseLabel_en-US" xlink:label="lab_utx_CommercialAerospaceMember_F75A2C64D4594AE01C7804D2866A3A54" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing arrangements (see Note 5)</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_CommercialAerospaceMember" xlink:label="loc_utx_CommercialAerospaceMember_F75A2C64D4594AE01C7804D2866A3A54" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_CommercialAerospaceMember_F75A2C64D4594AE01C7804D2866A3A54" xlink:to="lab_utx_CommercialAerospaceMember_F75A2C64D4594AE01C7804D2866A3A54" xlink:type="arc" />
    <link:label id="lab_us-gaap_PerformanceGuaranteeMember_D2D6CB50B5D4DD10829004D2866A081C_terseLabel_en-US" xlink:label="lab_us-gaap_PerformanceGuaranteeMember_D2D6CB50B5D4DD10829004D2866A081C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance Guarantees</link:label>
    <link:label id="lab_us-gaap_PerformanceGuaranteeMember_D2D6CB50B5D4DD10829004D2866A081C_label_en-US" xlink:label="lab_us-gaap_PerformanceGuaranteeMember_D2D6CB50B5D4DD10829004D2866A081C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance Guarantee [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PerformanceGuaranteeMember" xlink:label="loc_us-gaap_PerformanceGuaranteeMember_D2D6CB50B5D4DD10829004D2866A081C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PerformanceGuaranteeMember_D2D6CB50B5D4DD10829004D2866A081C" xlink:to="lab_us-gaap_PerformanceGuaranteeMember_D2D6CB50B5D4DD10829004D2866A081C" xlink:type="arc" />
    <link:label id="lab_us-gaap_GuaranteeObligationsLineItems_3666ED13602F1010B0EA04D2866AF21C_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsLineItems_3666ED13602F1010B0EA04D2866AF21C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantee Obligations [Line Items]</link:label>
    <link:label id="lab_us-gaap_GuaranteeObligationsLineItems_3666ED13602F1010B0EA04D2866AF21C_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsLineItems_3666ED13602F1010B0EA04D2866AF21C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantor Obligations [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GuaranteeObligationsLineItems" xlink:label="loc_us-gaap_GuaranteeObligationsLineItems_3666ED13602F1010B0EA04D2866AF21C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_3666ED13602F1010B0EA04D2866AF21C" xlink:to="lab_us-gaap_GuaranteeObligationsLineItems_3666ED13602F1010B0EA04D2866AF21C" xlink:type="arc" />
    <link:label id="lab_us-gaap_GuaranteeObligationsMaximumExposure_5513181FA9D0D9A292D704D2866A0693_verboseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsMaximumExposure_5513181FA9D0D9A292D704D2866A0693" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Maximum Potential Payment</link:label>
    <link:label id="lab_us-gaap_GuaranteeObligationsMaximumExposure_5513181FA9D0D9A292D704D2866A0693_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsMaximumExposure_5513181FA9D0D9A292D704D2866A0693" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantor Obligations, Maximum Exposure, Undiscounted</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_5513181FA9D0D9A292D704D2866A0693" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsMaximumExposure_5513181FA9D0D9A292D704D2866A0693" xlink:to="lab_us-gaap_GuaranteeObligationsMaximumExposure_5513181FA9D0D9A292D704D2866A0693" xlink:type="arc" />
    <link:label id="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_37B52C2CF41331DEC88704D2866ADC44_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_37B52C2CF41331DEC88704D2866ADC44" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying Amount of Liability</link:label>
    <link:label id="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_37B52C2CF41331DEC88704D2866ADC44_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_37B52C2CF41331DEC88704D2866ADC44" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantor Obligations, Current Carrying Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_37B52C2CF41331DEC88704D2866ADC44" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_37B52C2CF41331DEC88704D2866ADC44" xlink:to="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_37B52C2CF41331DEC88704D2866ADC44" xlink:type="arc" />
    <link:label id="lab_utx_Environmentalhealthandsafetytaxandemploymentmatters_4C383F5568D89375DB0404D2866A51C8_terseLabel_en-US" xlink:label="lab_utx_Environmentalhealthandsafetytaxandemploymentmatters_4C383F5568D89375DB0404D2866A51C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Environmental, health and safety, tax and employment matters</link:label>
    <link:label id="lab_utx_Environmentalhealthandsafetytaxandemploymentmatters_4C383F5568D89375DB0404D2866A51C8_label_en-US" xlink:label="lab_utx_Environmentalhealthandsafetytaxandemploymentmatters_4C383F5568D89375DB0404D2866A51C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">environmental, health and safety, tax and employment matters</link:label>
    <link:label id="lab_utx_Environmentalhealthandsafetytaxandemploymentmatters_4C383F5568D89375DB0404D2866A51C8_documentation_en-US" xlink:label="lab_utx_Environmentalhealthandsafetytaxandemploymentmatters_4C383F5568D89375DB0404D2866A51C8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. The element is for the carrying amount of guarantees not otherwise reported.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Environmentalhealthandsafetytaxandemploymentmatters" xlink:label="loc_utx_Environmentalhealthandsafetytaxandemploymentmatters_4C383F5568D89375DB0404D2866A51C8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Environmentalhealthandsafetytaxandemploymentmatters_4C383F5568D89375DB0404D2866A51C8" xlink:to="lab_utx_Environmentalhealthandsafetytaxandemploymentmatters_4C383F5568D89375DB0404D2866A51C8" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProductWarrantyAccrual_520BD0B2D3CD7C1507BC04D2866A3D3F_periodStartLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrual_520BD0B2D3CD7C1507BC04D2866A3D3F" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance as of January 1</link:label>
    <link:label id="lab_us-gaap_ProductWarrantyAccrual_520BD0B2D3CD7C1507BC04D2866A3D3F_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrual_520BD0B2D3CD7C1507BC04D2866A3D3F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Standard and Extended Product Warranty Accrual</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="loc_us-gaap_ProductWarrantyAccrual_520BD0B2D3CD7C1507BC04D2866A3D3F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductWarrantyAccrual_520BD0B2D3CD7C1507BC04D2866A3D3F" xlink:to="lab_us-gaap_ProductWarrantyAccrual_520BD0B2D3CD7C1507BC04D2866A3D3F" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProductWarrantyAccrualWarrantiesIssued_BA6BE0F99BEE5395AA0F04D2866A669F_terseLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualWarrantiesIssued_BA6BE0F99BEE5395AA0F04D2866A669F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warranties and performance guarantees issued</link:label>
    <link:label id="lab_us-gaap_ProductWarrantyAccrualWarrantiesIssued_BA6BE0F99BEE5395AA0F04D2866A669F_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualWarrantiesIssued_BA6BE0F99BEE5395AA0F04D2866A669F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Standard and Extended Product Warranty Accrual, Increase for Warranties Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProductWarrantyAccrualWarrantiesIssued" xlink:label="loc_us-gaap_ProductWarrantyAccrualWarrantiesIssued_BA6BE0F99BEE5395AA0F04D2866A669F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductWarrantyAccrualWarrantiesIssued_BA6BE0F99BEE5395AA0F04D2866A669F" xlink:to="lab_us-gaap_ProductWarrantyAccrualWarrantiesIssued_BA6BE0F99BEE5395AA0F04D2866A669F" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProductWarrantyAccrualPayments_016ED7CBD41F70B6454604D2866AB158_terseLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualPayments_016ED7CBD41F70B6454604D2866AB158" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Settlements made</link:label>
    <link:label id="lab_us-gaap_ProductWarrantyAccrualPayments_016ED7CBD41F70B6454604D2866AB158_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualPayments_016ED7CBD41F70B6454604D2866AB158" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Standard and Extended Product Warranty Accrual, Decrease for Payments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProductWarrantyAccrualPayments" xlink:label="loc_us-gaap_ProductWarrantyAccrualPayments_016ED7CBD41F70B6454604D2866AB158" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductWarrantyAccrualPayments_016ED7CBD41F70B6454604D2866AB158" xlink:to="lab_us-gaap_ProductWarrantyAccrualPayments_016ED7CBD41F70B6454604D2866AB158" xlink:type="arc" />
    <link:label id="lab_utx_ProductWarrantyAccrualOther_28104B40F375964A06A404D2866A2D03_terseLabel_en-US" xlink:label="lab_utx_ProductWarrantyAccrualOther_28104B40F375964A06A404D2866A2D03" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_utx_ProductWarrantyAccrualOther_28104B40F375964A06A404D2866A2D03_label_en-US" xlink:label="lab_utx_ProductWarrantyAccrualOther_28104B40F375964A06A404D2866A2D03" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product warranty accrual - other</link:label>
    <link:label id="lab_utx_ProductWarrantyAccrualOther_28104B40F375964A06A404D2866A2D03_documentation_en-US" xlink:label="lab_utx_ProductWarrantyAccrualOther_28104B40F375964A06A404D2866A2D03" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the aggregate increase (decrease) in the liability related to other items, including currency translation.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_ProductWarrantyAccrualOther" xlink:label="loc_utx_ProductWarrantyAccrualOther_28104B40F375964A06A404D2866A2D03" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_ProductWarrantyAccrualOther_28104B40F375964A06A404D2866A2D03" xlink:to="lab_utx_ProductWarrantyAccrualOther_28104B40F375964A06A404D2866A2D03" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProductWarrantyAccrual_14239A594AF46510770404D2866A077F_periodEndLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrual_14239A594AF46510770404D2866A077F" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance as of December 31</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="loc_us-gaap_ProductWarrantyAccrual_14239A594AF46510770404D2866A077F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductWarrantyAccrual_14239A594AF46510770404D2866A077F" xlink:to="lab_us-gaap_ProductWarrantyAccrual_14239A594AF46510770404D2866A077F" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueDisclosuresAbstract_833D184524E9393683D91E6263A92277_label_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresAbstract_833D184524E9393683D91E6263A92277" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Disclosures [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_833D184524E9393683D91E6263A92277" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_833D184524E9393683D91E6263A92277" xlink:to="lab_us-gaap_FairValueDisclosuresAbstract_833D184524E9393683D91E6263A92277" xlink:type="arc" />
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    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableCurrent_9FFD150D39B14F0F105710C68715921C_label_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableCurrent_9FFD150D39B14F0F105710C68715921C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes and leases, future minimum payments receivable, current</link:label>
    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableCurrent_9FFD150D39B14F0F105710C68715921C_documentation_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableCurrent_9FFD150D39B14F0F105710C68715921C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Future payments receivable within one year of the balance sheet date on leases and notes.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_NotesAndLeasesFutureMinimumPaymentsReceivableCurrent" xlink:label="loc_utx_NotesAndLeasesFutureMinimumPaymentsReceivableCurrent_9FFD150D39B14F0F105710C68715921C" xlink:type="locator" />
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    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInTwoYears_87FB850B87B7542D9A2410C6871550D7_terseLabel_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInTwoYears_87FB850B87B7542D9A2410C6871550D7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes and leases receivable within two years</link:label>
    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInTwoYears_87FB850B87B7542D9A2410C6871550D7_label_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInTwoYears_87FB850B87B7542D9A2410C6871550D7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes and leases, future minimum payments, receivable in two years</link:label>
    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInTwoYears_87FB850B87B7542D9A2410C6871550D7_documentation_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInTwoYears_87FB850B87B7542D9A2410C6871550D7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Future payments receivable within the second year of the balance sheet date on leases and notes.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_NotesAndLeasesFutureMinimumPaymentsReceivableInTwoYears" xlink:label="loc_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInTwoYears_87FB850B87B7542D9A2410C6871550D7" xlink:type="locator" />
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    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInThreeYears_8B6D50F4812C886CB73010C6871548B6_terseLabel_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInThreeYears_8B6D50F4812C886CB73010C6871548B6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes and leases receivable within three years</link:label>
    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInThreeYears_8B6D50F4812C886CB73010C6871548B6_label_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInThreeYears_8B6D50F4812C886CB73010C6871548B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes and leases, future minimum payments, receivable in three years</link:label>
    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInThreeYears_8B6D50F4812C886CB73010C6871548B6_documentation_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInThreeYears_8B6D50F4812C886CB73010C6871548B6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Future payments receivable within the third year of the balance sheet date on leases and notes.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_NotesAndLeasesFutureMinimumPaymentsReceivableInThreeYears" xlink:label="loc_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInThreeYears_8B6D50F4812C886CB73010C6871548B6" xlink:type="locator" />
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    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFourYears_F2A976D1AACA7E03B4F110C687155C2B_terseLabel_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFourYears_F2A976D1AACA7E03B4F110C687155C2B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes and leases receivable within four years</link:label>
    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFourYears_F2A976D1AACA7E03B4F110C687155C2B_label_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFourYears_F2A976D1AACA7E03B4F110C687155C2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes and leases, future minimum payments, receivable in four years</link:label>
    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFourYears_F2A976D1AACA7E03B4F110C687155C2B_documentation_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFourYears_F2A976D1AACA7E03B4F110C687155C2B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Future payments receivable within the fourth year of the balance sheet date on leases and notes.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFourYears" xlink:label="loc_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFourYears_F2A976D1AACA7E03B4F110C687155C2B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFourYears_F2A976D1AACA7E03B4F110C687155C2B" xlink:to="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFourYears_F2A976D1AACA7E03B4F110C687155C2B" xlink:type="arc" />
    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFiveYears_A7CB12088902B91A4AE710C687154C1C_terseLabel_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFiveYears_A7CB12088902B91A4AE710C687154C1C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes and leases receivable within five years</link:label>
    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFiveYears_A7CB12088902B91A4AE710C687154C1C_label_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFiveYears_A7CB12088902B91A4AE710C687154C1C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes and leases, future minimum payments, receivable in five years</link:label>
    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFiveYears_A7CB12088902B91A4AE710C687154C1C_documentation_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFiveYears_A7CB12088902B91A4AE710C687154C1C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Future payments receivable within the fifth year of the balance sheet date on leases and notes.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFiveYears" xlink:label="loc_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFiveYears_A7CB12088902B91A4AE710C687154C1C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFiveYears_A7CB12088902B91A4AE710C687154C1C" xlink:to="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFiveYears_A7CB12088902B91A4AE710C687154C1C" xlink:type="arc" />
    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableDueThereafter_A2B629FCB735282C812810C68715B26D_terseLabel_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableDueThereafter_A2B629FCB735282C812810C68715B26D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes and leases receivable after five years</link:label>
    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableDueThereafter_A2B629FCB735282C812810C68715B26D_label_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableDueThereafter_A2B629FCB735282C812810C68715B26D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes and Leases, Future Minimum Payments, Receivable Due Thereafter</link:label>
    <link:label id="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableDueThereafter_A2B629FCB735282C812810C68715B26D_documentation_en-US" xlink:label="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableDueThereafter_A2B629FCB735282C812810C68715B26D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Future payments receivable after the fifth year from the balance sheet date on leases and notes.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_NotesAndLeasesFutureMinimumPaymentsReceivableDueThereafter" xlink:label="loc_utx_NotesAndLeasesFutureMinimumPaymentsReceivableDueThereafter_A2B629FCB735282C812810C68715B26D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_NotesAndLeasesFutureMinimumPaymentsReceivableDueThereafter_A2B629FCB735282C812810C68715B26D" xlink:to="lab_utx_NotesAndLeasesFutureMinimumPaymentsReceivableDueThereafter_A2B629FCB735282C812810C68715B26D" xlink:type="arc" />
    <link:label id="lab_utx_Commercialaerospacefinancingcommitment_4E95397BA6B1546ACDA310C687152A3D_terseLabel_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitment_4E95397BA6B1546ACDA310C687152A3D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitments, total committed</link:label>
    <link:label id="lab_utx_Commercialaerospacefinancingcommitment_4E95397BA6B1546ACDA310C687152A3D_label_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitment_4E95397BA6B1546ACDA310C687152A3D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitment</link:label>
    <link:label id="lab_utx_Commercialaerospacefinancingcommitment_4E95397BA6B1546ACDA310C687152A3D_documentation_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitment_4E95397BA6B1546ACDA310C687152A3D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total amount of commercial aerospace financing commitments disclosed. Excludes Notes and Leases Receivable, Other, and Partner Share.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Commercialaerospacefinancingcommitment" xlink:label="loc_utx_Commercialaerospacefinancingcommitment_4E95397BA6B1546ACDA310C687152A3D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Commercialaerospacefinancingcommitment_4E95397BA6B1546ACDA310C687152A3D" xlink:to="lab_utx_Commercialaerospacefinancingcommitment_4E95397BA6B1546ACDA310C687152A3D" xlink:type="arc" />
    <link:label id="lab_utx_Commercialaerospacefinancingcommitmentcurrent_01B029F7A25624C9BE8410C68715F3C4_terseLabel_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmentcurrent_01B029F7A25624C9BE8410C68715F3C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitments within one year</link:label>
    <link:label id="lab_utx_Commercialaerospacefinancingcommitmentcurrent_01B029F7A25624C9BE8410C68715F3C4_label_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmentcurrent_01B029F7A25624C9BE8410C68715F3C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitment, current</link:label>
    <link:label id="lab_utx_Commercialaerospacefinancingcommitmentcurrent_01B029F7A25624C9BE8410C68715F3C4_documentation_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmentcurrent_01B029F7A25624C9BE8410C68715F3C4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitments due within one year. Excludes Notes and Leases Receivable, Other, and Partner Share.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Commercialaerospacefinancingcommitmentcurrent" xlink:label="loc_utx_Commercialaerospacefinancingcommitmentcurrent_01B029F7A25624C9BE8410C68715F3C4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Commercialaerospacefinancingcommitmentcurrent_01B029F7A25624C9BE8410C68715F3C4" xlink:to="lab_utx_Commercialaerospacefinancingcommitmentcurrent_01B029F7A25624C9BE8410C68715F3C4" xlink:type="arc" />
    <link:label id="lab_utx_Commercialaerospacefinancingcommitmenttwoyears_97FEE93C85905FD6F25510C687156607_terseLabel_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmenttwoyears_97FEE93C85905FD6F25510C687156607" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitments within two years</link:label>
    <link:label id="lab_utx_Commercialaerospacefinancingcommitmenttwoyears_97FEE93C85905FD6F25510C687156607_label_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmenttwoyears_97FEE93C85905FD6F25510C687156607" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitment, two years</link:label>
    <link:label id="lab_utx_Commercialaerospacefinancingcommitmenttwoyears_97FEE93C85905FD6F25510C687156607_documentation_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmenttwoyears_97FEE93C85905FD6F25510C687156607" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial aerosapce financing commitments maturing in the second fiscal year following the latest fiscal year. Excludes Notes and Leases Receivable, Other, and Partner Share.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Commercialaerospacefinancingcommitmenttwoyears" xlink:label="loc_utx_Commercialaerospacefinancingcommitmenttwoyears_97FEE93C85905FD6F25510C687156607" xlink:type="locator" />
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    <link:label id="lab_utx_Commercialaerospacefinancingcommitmentsthreeyears_84809EAF088DFDB7634A10C687151281_terseLabel_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmentsthreeyears_84809EAF088DFDB7634A10C687151281" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitments within three years</link:label>
    <link:label id="lab_utx_Commercialaerospacefinancingcommitmentsthreeyears_84809EAF088DFDB7634A10C687151281_label_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmentsthreeyears_84809EAF088DFDB7634A10C687151281" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitments, three years</link:label>
    <link:label id="lab_utx_Commercialaerospacefinancingcommitmentsthreeyears_84809EAF088DFDB7634A10C687151281_documentation_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmentsthreeyears_84809EAF088DFDB7634A10C687151281" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitments maturing in the third fiscal year following the latest fiscal year. Excludes Notes and Leases Receivable, Other, and Partner Share.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Commercialaerospacefinancingcommitmentsthreeyears" xlink:label="loc_utx_Commercialaerospacefinancingcommitmentsthreeyears_84809EAF088DFDB7634A10C687151281" xlink:type="locator" />
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    <link:label id="lab_utx_Commercialaerospacefinancingcommitmentfouryears_9A900746AED332F1D6A710C68715DE4C_terseLabel_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmentfouryears_9A900746AED332F1D6A710C68715DE4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitments within four years</link:label>
    <link:label id="lab_utx_Commercialaerospacefinancingcommitmentfouryears_9A900746AED332F1D6A710C68715DE4C_label_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmentfouryears_9A900746AED332F1D6A710C68715DE4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitment, four years</link:label>
    <link:label id="lab_utx_Commercialaerospacefinancingcommitmentfouryears_9A900746AED332F1D6A710C68715DE4C_documentation_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmentfouryears_9A900746AED332F1D6A710C68715DE4C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitments maturing in the fourth fiscal year following the latest fiscal year. Excludes Notes and Leases Receivable, Other, and Partner Share.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Commercialaerospacefinancingcommitmentfouryears" xlink:label="loc_utx_Commercialaerospacefinancingcommitmentfouryears_9A900746AED332F1D6A710C68715DE4C" xlink:type="locator" />
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    <link:label id="lab_utx_Commercialaerospacefinancingcommitmentfiveyears_9BC7B90B3A0D35DC46C210C687151D60_terseLabel_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmentfiveyears_9BC7B90B3A0D35DC46C210C687151D60" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitments within five years</link:label>
    <link:label id="lab_utx_Commercialaerospacefinancingcommitmentfiveyears_9BC7B90B3A0D35DC46C210C687151D60_label_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmentfiveyears_9BC7B90B3A0D35DC46C210C687151D60" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitment, five years</link:label>
    <link:label id="lab_utx_Commercialaerospacefinancingcommitmentfiveyears_9BC7B90B3A0D35DC46C210C687151D60_documentation_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmentfiveyears_9BC7B90B3A0D35DC46C210C687151D60" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitments maturing in the fifth fiscal year following the latest fiscal year. Excludes Notes and Leases Receivable, Other, and Partner Share.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Commercialaerospacefinancingcommitmentfiveyears" xlink:label="loc_utx_Commercialaerospacefinancingcommitmentfiveyears_9BC7B90B3A0D35DC46C210C687151D60" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Commercialaerospacefinancingcommitmentfiveyears_9BC7B90B3A0D35DC46C210C687151D60" xlink:to="lab_utx_Commercialaerospacefinancingcommitmentfiveyears_9BC7B90B3A0D35DC46C210C687151D60" xlink:type="arc" />
    <link:label id="lab_utx_Commercialaerospacefinancingcommitmentafterfiveyears_06C3D71EEDB97727C3A110C68715ADD2_terseLabel_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmentafterfiveyears_06C3D71EEDB97727C3A110C68715ADD2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitments after five years</link:label>
    <link:label id="lab_utx_Commercialaerospacefinancingcommitmentafterfiveyears_06C3D71EEDB97727C3A110C68715ADD2_label_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmentafterfiveyears_06C3D71EEDB97727C3A110C68715ADD2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitment after five years</link:label>
    <link:label id="lab_utx_Commercialaerospacefinancingcommitmentafterfiveyears_06C3D71EEDB97727C3A110C68715ADD2_documentation_en-US" xlink:label="lab_utx_Commercialaerospacefinancingcommitmentafterfiveyears_06C3D71EEDB97727C3A110C68715ADD2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial aerospace financing commitments maturing after the fifth fiscal year following the latest fiscal year. Excludes Notes and Leases Receivable, Other, and Partner Share.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Commercialaerospacefinancingcommitmentafterfiveyears" xlink:label="loc_utx_Commercialaerospacefinancingcommitmentafterfiveyears_06C3D71EEDB97727C3A110C68715ADD2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Commercialaerospacefinancingcommitmentafterfiveyears_06C3D71EEDB97727C3A110C68715ADD2" xlink:to="lab_utx_Commercialaerospacefinancingcommitmentafterfiveyears_06C3D71EEDB97727C3A110C68715ADD2" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherCommitment_972F113080C7531D61AA10C687159174_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCommitment_972F113080C7531D61AA10C687159174" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other commercial aerospace commitments, total committed</link:label>
    <link:label id="lab_us-gaap_OtherCommitment_972F113080C7531D61AA10C687159174_label_en-US" xlink:label="lab_us-gaap_OtherCommitment_972F113080C7531D61AA10C687159174" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherCommitment" xlink:label="loc_us-gaap_OtherCommitment_972F113080C7531D61AA10C687159174" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCommitment_972F113080C7531D61AA10C687159174" xlink:to="lab_us-gaap_OtherCommitment_972F113080C7531D61AA10C687159174" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_8395C6B4191D671FBC4610C687152F6C_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_8395C6B4191D671FBC4610C687152F6C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other commercial aerospace commitments within one year</link:label>
    <link:label id="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_8395C6B4191D671FBC4610C687152F6C_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_8395C6B4191D671FBC4610C687152F6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment, Due in Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherCommitmentDueInNextTwelveMonths" xlink:label="loc_us-gaap_OtherCommitmentDueInNextTwelveMonths_8395C6B4191D671FBC4610C687152F6C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCommitmentDueInNextTwelveMonths_8395C6B4191D671FBC4610C687152F6C" xlink:to="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_8395C6B4191D671FBC4610C687152F6C" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherCommitmentDueInSecondYear_31376C9AE77326BC9EDC10C6871516FD_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInSecondYear_31376C9AE77326BC9EDC10C6871516FD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other commercial aerospace commitments within two years</link:label>
    <link:label id="lab_us-gaap_OtherCommitmentDueInSecondYear_31376C9AE77326BC9EDC10C6871516FD_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInSecondYear_31376C9AE77326BC9EDC10C6871516FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment, Due in Second Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherCommitmentDueInSecondYear" xlink:label="loc_us-gaap_OtherCommitmentDueInSecondYear_31376C9AE77326BC9EDC10C6871516FD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCommitmentDueInSecondYear_31376C9AE77326BC9EDC10C6871516FD" xlink:to="lab_us-gaap_OtherCommitmentDueInSecondYear_31376C9AE77326BC9EDC10C6871516FD" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherCommitmentDueInThirdYear_D8B9569D80C917A3BDBF10C68715A102_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInThirdYear_D8B9569D80C917A3BDBF10C68715A102" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other commercial aerospace commitments within three years</link:label>
    <link:label id="lab_us-gaap_OtherCommitmentDueInThirdYear_D8B9569D80C917A3BDBF10C68715A102_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInThirdYear_D8B9569D80C917A3BDBF10C68715A102" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment, Due in Third Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherCommitmentDueInThirdYear" xlink:label="loc_us-gaap_OtherCommitmentDueInThirdYear_D8B9569D80C917A3BDBF10C68715A102" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCommitmentDueInThirdYear_D8B9569D80C917A3BDBF10C68715A102" xlink:to="lab_us-gaap_OtherCommitmentDueInThirdYear_D8B9569D80C917A3BDBF10C68715A102" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherCommitmentDueInFourthYear_78B5FAF3F2F4619EFB0C10C68715B550_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInFourthYear_78B5FAF3F2F4619EFB0C10C68715B550" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other commercial aerospace commitments within four years</link:label>
    <link:label id="lab_us-gaap_OtherCommitmentDueInFourthYear_78B5FAF3F2F4619EFB0C10C68715B550_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInFourthYear_78B5FAF3F2F4619EFB0C10C68715B550" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment, Due in Fourth Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherCommitmentDueInFourthYear" xlink:label="loc_us-gaap_OtherCommitmentDueInFourthYear_78B5FAF3F2F4619EFB0C10C68715B550" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCommitmentDueInFourthYear_78B5FAF3F2F4619EFB0C10C68715B550" xlink:to="lab_us-gaap_OtherCommitmentDueInFourthYear_78B5FAF3F2F4619EFB0C10C68715B550" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherCommitmentDueInFifthYear_FEBA9281B9DE410FAA9610C6871F288C_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInFifthYear_FEBA9281B9DE410FAA9610C6871F288C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other commercial aerospace commitments within five years</link:label>
    <link:label id="lab_us-gaap_OtherCommitmentDueInFifthYear_FEBA9281B9DE410FAA9610C6871F288C_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInFifthYear_FEBA9281B9DE410FAA9610C6871F288C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment, Due in Fifth Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherCommitmentDueInFifthYear" xlink:label="loc_us-gaap_OtherCommitmentDueInFifthYear_FEBA9281B9DE410FAA9610C6871F288C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCommitmentDueInFifthYear_FEBA9281B9DE410FAA9610C6871F288C" xlink:to="lab_us-gaap_OtherCommitmentDueInFifthYear_FEBA9281B9DE410FAA9610C6871F288C" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherCommitmentDueAfterFifthYear_7F7CD147498610A5240710C6871F9A84_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueAfterFifthYear_7F7CD147498610A5240710C6871F9A84" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other commercial aerospace commitments after five years</link:label>
    <link:label id="lab_us-gaap_OtherCommitmentDueAfterFifthYear_7F7CD147498610A5240710C6871F9A84_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueAfterFifthYear_7F7CD147498610A5240710C6871F9A84" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment, Due after Fifth Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherCommitmentDueAfterFifthYear" xlink:label="loc_us-gaap_OtherCommitmentDueAfterFifthYear_7F7CD147498610A5240710C6871F9A84" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCommitmentDueAfterFifthYear_7F7CD147498610A5240710C6871F9A84" xlink:to="lab_us-gaap_OtherCommitmentDueAfterFifthYear_7F7CD147498610A5240710C6871F9A84" xlink:type="arc" />
    <link:label id="lab_utx_Collaborationpartnershare_02DEB074FA25F848449610C6871F3579_terseLabel_en-US" xlink:label="lab_utx_Collaborationpartnershare_02DEB074FA25F848449610C6871F3579" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collaboration partners' share, total committed</link:label>
    <link:label id="lab_utx_Collaborationpartnershare_02DEB074FA25F848449610C6871F3579_label_en-US" xlink:label="lab_utx_Collaborationpartnershare_02DEB074FA25F848449610C6871F3579" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collaboration partner share</link:label>
    <link:label id="lab_utx_Collaborationpartnershare_02DEB074FA25F848449610C6871F3579_documentation_en-US" xlink:label="lab_utx_Collaborationpartnershare_02DEB074FA25F848449610C6871F3579" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Partner share on Commercial aerospace financing and other commitments, as well as Notes and Leases Receivable, total disclosed.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Collaborationpartnershare" xlink:label="loc_utx_Collaborationpartnershare_02DEB074FA25F848449610C6871F3579" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Collaborationpartnershare_02DEB074FA25F848449610C6871F3579" xlink:to="lab_utx_Collaborationpartnershare_02DEB074FA25F848449610C6871F3579" xlink:type="arc" />
    <link:label id="lab_utx_Collaborationpartnersharecurrent_AA0DE1288763E34F1CAA10C6871FEFFB_terseLabel_en-US" xlink:label="lab_utx_Collaborationpartnersharecurrent_AA0DE1288763E34F1CAA10C6871FEFFB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collaboration partners' share within one year</link:label>
    <link:label id="lab_utx_Collaborationpartnersharecurrent_AA0DE1288763E34F1CAA10C6871FEFFB_label_en-US" xlink:label="lab_utx_Collaborationpartnersharecurrent_AA0DE1288763E34F1CAA10C6871FEFFB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collaboration partner share, current</link:label>
    <link:label id="lab_utx_Collaborationpartnersharecurrent_AA0DE1288763E34F1CAA10C6871FEFFB_documentation_en-US" xlink:label="lab_utx_Collaborationpartnersharecurrent_AA0DE1288763E34F1CAA10C6871FEFFB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Partner share on Commercial aerospace financing and other commitments, as well as Notes and Leases Receivable, due within one year.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Collaborationpartnersharecurrent" xlink:label="loc_utx_Collaborationpartnersharecurrent_AA0DE1288763E34F1CAA10C6871FEFFB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Collaborationpartnersharecurrent_AA0DE1288763E34F1CAA10C6871FEFFB" xlink:to="lab_utx_Collaborationpartnersharecurrent_AA0DE1288763E34F1CAA10C6871FEFFB" xlink:type="arc" />
    <link:label id="lab_utx_Collaborationpartnersharetwoyears_ED49716C63C9748EC1DB10C6871F3FD1_terseLabel_en-US" xlink:label="lab_utx_Collaborationpartnersharetwoyears_ED49716C63C9748EC1DB10C6871F3FD1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collaboration partners' share within two years</link:label>
    <link:label id="lab_utx_Collaborationpartnersharetwoyears_ED49716C63C9748EC1DB10C6871F3FD1_label_en-US" xlink:label="lab_utx_Collaborationpartnersharetwoyears_ED49716C63C9748EC1DB10C6871F3FD1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collaboration partner share, two years</link:label>
    <link:label id="lab_utx_Collaborationpartnersharetwoyears_ED49716C63C9748EC1DB10C6871F3FD1_documentation_en-US" xlink:label="lab_utx_Collaborationpartnersharetwoyears_ED49716C63C9748EC1DB10C6871F3FD1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Partner share on Commercial aerospace financing and other commitments, as well as Notes and Leases Receivable, maturing in the second fiscal year following the latest fiscal year.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Collaborationpartnersharetwoyears" xlink:label="loc_utx_Collaborationpartnersharetwoyears_ED49716C63C9748EC1DB10C6871F3FD1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Collaborationpartnersharetwoyears_ED49716C63C9748EC1DB10C6871F3FD1" xlink:to="lab_utx_Collaborationpartnersharetwoyears_ED49716C63C9748EC1DB10C6871F3FD1" xlink:type="arc" />
    <link:label id="lab_utx_Collaborationpartnersharethreeyears_EA185A527D2D22AD20D110C6871F94ED_terseLabel_en-US" xlink:label="lab_utx_Collaborationpartnersharethreeyears_EA185A527D2D22AD20D110C6871F94ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collaboration partners' share within three years</link:label>
    <link:label id="lab_utx_Collaborationpartnersharethreeyears_EA185A527D2D22AD20D110C6871F94ED_label_en-US" xlink:label="lab_utx_Collaborationpartnersharethreeyears_EA185A527D2D22AD20D110C6871F94ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collaboration partner share, three years</link:label>
    <link:label id="lab_utx_Collaborationpartnersharethreeyears_EA185A527D2D22AD20D110C6871F94ED_documentation_en-US" xlink:label="lab_utx_Collaborationpartnersharethreeyears_EA185A527D2D22AD20D110C6871F94ED" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Partner share on Commercial aerospace financing and other commitments, as well as Notes and Leases Receivable, maturing in the third fiscal year following the latest fiscal year.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Collaborationpartnersharethreeyears" xlink:label="loc_utx_Collaborationpartnersharethreeyears_EA185A527D2D22AD20D110C6871F94ED" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Collaborationpartnersharethreeyears_EA185A527D2D22AD20D110C6871F94ED" xlink:to="lab_utx_Collaborationpartnersharethreeyears_EA185A527D2D22AD20D110C6871F94ED" xlink:type="arc" />
    <link:label id="lab_utx_Collaborationpartnersharefouryears_E9B72A62343B3A0B4CCB10C6871FFBD2_terseLabel_en-US" xlink:label="lab_utx_Collaborationpartnersharefouryears_E9B72A62343B3A0B4CCB10C6871FFBD2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collaboration partners' share within four years</link:label>
    <link:label id="lab_utx_Collaborationpartnersharefouryears_E9B72A62343B3A0B4CCB10C6871FFBD2_label_en-US" xlink:label="lab_utx_Collaborationpartnersharefouryears_E9B72A62343B3A0B4CCB10C6871FFBD2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collaboration partner share, four years</link:label>
    <link:label id="lab_utx_Collaborationpartnersharefouryears_E9B72A62343B3A0B4CCB10C6871FFBD2_documentation_en-US" xlink:label="lab_utx_Collaborationpartnersharefouryears_E9B72A62343B3A0B4CCB10C6871FFBD2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Partner share on Commercial aerospace financing and other commitments, as well as Notes and Leases Receivable, maturing in the fourth fiscal year following the latest fiscal year.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Collaborationpartnersharefouryears" xlink:label="loc_utx_Collaborationpartnersharefouryears_E9B72A62343B3A0B4CCB10C6871FFBD2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Collaborationpartnersharefouryears_E9B72A62343B3A0B4CCB10C6871FFBD2" xlink:to="lab_utx_Collaborationpartnersharefouryears_E9B72A62343B3A0B4CCB10C6871FFBD2" xlink:type="arc" />
    <link:label id="lab_utx_Collaborationpartnersharefiveyears_4F241E2747520E45CC1610C6871F9AE1_terseLabel_en-US" xlink:label="lab_utx_Collaborationpartnersharefiveyears_4F241E2747520E45CC1610C6871F9AE1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collaboration partners' share within five years</link:label>
    <link:label id="lab_utx_Collaborationpartnersharefiveyears_4F241E2747520E45CC1610C6871F9AE1_label_en-US" xlink:label="lab_utx_Collaborationpartnersharefiveyears_4F241E2747520E45CC1610C6871F9AE1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collaboration partner share, five years</link:label>
    <link:label id="lab_utx_Collaborationpartnersharefiveyears_4F241E2747520E45CC1610C6871F9AE1_documentation_en-US" xlink:label="lab_utx_Collaborationpartnersharefiveyears_4F241E2747520E45CC1610C6871F9AE1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Partner share on Commercial aerospace financing and other commitments, as well as Notes and Leases Receivable, maturing in the fifth fiscal year following the latest fiscal year.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Collaborationpartnersharefiveyears" xlink:label="loc_utx_Collaborationpartnersharefiveyears_4F241E2747520E45CC1610C6871F9AE1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Collaborationpartnersharefiveyears_4F241E2747520E45CC1610C6871F9AE1" xlink:to="lab_utx_Collaborationpartnersharefiveyears_4F241E2747520E45CC1610C6871F9AE1" xlink:type="arc" />
    <link:label id="lab_utx_Collaborationpartnershareafterfiveyears_478E6D8B7DB5AFB6110E10C6871F2487_terseLabel_en-US" xlink:label="lab_utx_Collaborationpartnershareafterfiveyears_478E6D8B7DB5AFB6110E10C6871F2487" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collaboration partners' share after five years</link:label>
    <link:label id="lab_utx_Collaborationpartnershareafterfiveyears_478E6D8B7DB5AFB6110E10C6871F2487_label_en-US" xlink:label="lab_utx_Collaborationpartnershareafterfiveyears_478E6D8B7DB5AFB6110E10C6871F2487" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collaboration partner share, after five years</link:label>
    <link:label id="lab_utx_Collaborationpartnershareafterfiveyears_478E6D8B7DB5AFB6110E10C6871F2487_documentation_en-US" xlink:label="lab_utx_Collaborationpartnershareafterfiveyears_478E6D8B7DB5AFB6110E10C6871F2487" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">For notes and leases having an initial or remaining terms in excess of one year, commitments exercisable after the fifth year of the balance sheet date relating to leases and notes.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Collaborationpartnershareafterfiveyears" xlink:label="loc_utx_Collaborationpartnershareafterfiveyears_478E6D8B7DB5AFB6110E10C6871F2487" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Collaborationpartnershareafterfiveyears_478E6D8B7DB5AFB6110E10C6871F2487" xlink:to="lab_utx_Collaborationpartnershareafterfiveyears_478E6D8B7DB5AFB6110E10C6871F2487" xlink:type="arc" />
    <link:label id="lab_utx_CommercialaerospacecommitmentsTotal_88D3DABF19BA71C03E5310C6871FB44E_totalLabel_en-US" xlink:label="lab_utx_CommercialaerospacecommitmentsTotal_88D3DABF19BA71C03E5310C6871FB44E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total commercial commitments, total committed</link:label>
    <link:label id="lab_utx_CommercialaerospacecommitmentsTotal_88D3DABF19BA71C03E5310C6871FB44E_label_en-US" xlink:label="lab_utx_CommercialaerospacecommitmentsTotal_88D3DABF19BA71C03E5310C6871FB44E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial aerospace commitments, Total</link:label>
    <link:label id="lab_utx_CommercialaerospacecommitmentsTotal_88D3DABF19BA71C03E5310C6871FB44E_documentation_en-US" xlink:label="lab_utx_CommercialaerospacecommitmentsTotal_88D3DABF19BA71C03E5310C6871FB44E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">For total commercial aerospace commitments, including commercial aerospace financing and other commitments, net of partner share.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_CommercialaerospacecommitmentsTotal" xlink:label="loc_utx_CommercialaerospacecommitmentsTotal_88D3DABF19BA71C03E5310C6871FB44E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_CommercialaerospacecommitmentsTotal_88D3DABF19BA71C03E5310C6871FB44E" xlink:to="lab_utx_CommercialaerospacecommitmentsTotal_88D3DABF19BA71C03E5310C6871FB44E" xlink:type="arc" />
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentscurrent_B75DE8309D85E982D78D10C6871FA4CC_totalLabel_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentscurrent_B75DE8309D85E982D78D10C6871FA4CC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total commercial commitments within one year</link:label>
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentscurrent_B75DE8309D85E982D78D10C6871FA4CC_label_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentscurrent_B75DE8309D85E982D78D10C6871FA4CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total commercial aerospace commitments, current</link:label>
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentscurrent_B75DE8309D85E982D78D10C6871FA4CC_documentation_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentscurrent_B75DE8309D85E982D78D10C6871FA4CC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">For total commercial aerospace commitments, including commercial aerospace financing and other commitments, net of partner share, due within one year</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Totalcommercialaerospacecommitmentscurrent" xlink:label="loc_utx_Totalcommercialaerospacecommitmentscurrent_B75DE8309D85E982D78D10C6871FA4CC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Totalcommercialaerospacecommitmentscurrent_B75DE8309D85E982D78D10C6871FA4CC" xlink:to="lab_utx_Totalcommercialaerospacecommitmentscurrent_B75DE8309D85E982D78D10C6871FA4CC" xlink:type="arc" />
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentstwoyears_151B0CC5B96612A52E8410C6871F705C_totalLabel_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentstwoyears_151B0CC5B96612A52E8410C6871F705C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total commercial commitments within two years</link:label>
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentstwoyears_151B0CC5B96612A52E8410C6871F705C_label_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentstwoyears_151B0CC5B96612A52E8410C6871F705C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total commercial aerospace commitments, two years</link:label>
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentstwoyears_151B0CC5B96612A52E8410C6871F705C_documentation_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentstwoyears_151B0CC5B96612A52E8410C6871F705C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">For total commercial aerospace commitments, including commercial aerospace financing and other commitments, net of partner share, maturing in the second fiscal year following the latest fiscal year.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Totalcommercialaerospacecommitmentstwoyears" xlink:label="loc_utx_Totalcommercialaerospacecommitmentstwoyears_151B0CC5B96612A52E8410C6871F705C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Totalcommercialaerospacecommitmentstwoyears_151B0CC5B96612A52E8410C6871F705C" xlink:to="lab_utx_Totalcommercialaerospacecommitmentstwoyears_151B0CC5B96612A52E8410C6871F705C" xlink:type="arc" />
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentsthreeyears_B315A1A67D852E9FE13210C6871FF2ED_totalLabel_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentsthreeyears_B315A1A67D852E9FE13210C6871FF2ED" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total commercial commitments within three years</link:label>
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentsthreeyears_B315A1A67D852E9FE13210C6871FF2ED_label_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentsthreeyears_B315A1A67D852E9FE13210C6871FF2ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total commercial aerospace commitments, three years</link:label>
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentsthreeyears_B315A1A67D852E9FE13210C6871FF2ED_documentation_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentsthreeyears_B315A1A67D852E9FE13210C6871FF2ED" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">For total commercial aerospace commitments, including commercial aerospace financing and other commitments, net of partner share, maturing in the third fiscal year following the latest fiscal year.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Totalcommercialaerospacecommitmentsthreeyears" xlink:label="loc_utx_Totalcommercialaerospacecommitmentsthreeyears_B315A1A67D852E9FE13210C6871FF2ED" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Totalcommercialaerospacecommitmentsthreeyears_B315A1A67D852E9FE13210C6871FF2ED" xlink:to="lab_utx_Totalcommercialaerospacecommitmentsthreeyears_B315A1A67D852E9FE13210C6871FF2ED" xlink:type="arc" />
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentsfouryears_21F8E6185E1C39DD1CD110C6871FA927_totalLabel_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentsfouryears_21F8E6185E1C39DD1CD110C6871FA927" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total commercial commitments within four years</link:label>
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentsfouryears_21F8E6185E1C39DD1CD110C6871FA927_label_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentsfouryears_21F8E6185E1C39DD1CD110C6871FA927" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total commercial aerospace commitments, four years</link:label>
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentsfouryears_21F8E6185E1C39DD1CD110C6871FA927_documentation_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentsfouryears_21F8E6185E1C39DD1CD110C6871FA927" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">For total commercial aerospace commitments, including commercial aerospace financing and other commitments, net of partner share, maturing in the fourth fiscal year following the latest fiscal year.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Totalcommercialaerospacecommitmentsfouryears" xlink:label="loc_utx_Totalcommercialaerospacecommitmentsfouryears_21F8E6185E1C39DD1CD110C6871FA927" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Totalcommercialaerospacecommitmentsfouryears_21F8E6185E1C39DD1CD110C6871FA927" xlink:to="lab_utx_Totalcommercialaerospacecommitmentsfouryears_21F8E6185E1C39DD1CD110C6871FA927" xlink:type="arc" />
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentsfiveyears_81834C98C6B09A030DF510C6871F2081_totalLabel_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentsfiveyears_81834C98C6B09A030DF510C6871F2081" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total commercial commitments within five years</link:label>
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentsfiveyears_81834C98C6B09A030DF510C6871F2081_label_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentsfiveyears_81834C98C6B09A030DF510C6871F2081" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total commercial aerospace commitments, five years</link:label>
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentsfiveyears_81834C98C6B09A030DF510C6871F2081_documentation_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentsfiveyears_81834C98C6B09A030DF510C6871F2081" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">For total commercial aerospace commitments, including commercial aerospace financing and other commitments, net of partner share, maturing in the fifth fiscal year following the latest fiscal year.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Totalcommercialaerospacecommitmentsfiveyears" xlink:label="loc_utx_Totalcommercialaerospacecommitmentsfiveyears_81834C98C6B09A030DF510C6871F2081" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Totalcommercialaerospacecommitmentsfiveyears_81834C98C6B09A030DF510C6871F2081" xlink:to="lab_utx_Totalcommercialaerospacecommitmentsfiveyears_81834C98C6B09A030DF510C6871F2081" xlink:type="arc" />
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentsafterfiveyears_8A9A2544B7BC6251DF5610C6871F6966_totalLabel_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentsafterfiveyears_8A9A2544B7BC6251DF5610C6871F6966" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total commercial commitments after five years</link:label>
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentsafterfiveyears_8A9A2544B7BC6251DF5610C6871F6966_label_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentsafterfiveyears_8A9A2544B7BC6251DF5610C6871F6966" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total commercial aerospace commitments, after five years</link:label>
    <link:label id="lab_utx_Totalcommercialaerospacecommitmentsafterfiveyears_8A9A2544B7BC6251DF5610C6871F6966_documentation_en-US" xlink:label="lab_utx_Totalcommercialaerospacecommitmentsafterfiveyears_8A9A2544B7BC6251DF5610C6871F6966" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">For total commercial aerospace commitments, including commercial aerospace financing and other commitments, net of partner share, maturing after the fifth fiscal year following the latest fiscal year.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_Totalcommercialaerospacecommitmentsafterfiveyears" xlink:label="loc_utx_Totalcommercialaerospacecommitmentsafterfiveyears_8A9A2544B7BC6251DF5610C6871F6966" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_Totalcommercialaerospacecommitmentsafterfiveyears_8A9A2544B7BC6251DF5610C6871F6966" xlink:to="lab_utx_Totalcommercialaerospacecommitmentsafterfiveyears_8A9A2544B7BC6251DF5610C6871F6966" xlink:type="arc" />
    <link:label id="lab_us-gaap_GuaranteeObligationsMaximumExposure_F84B6CBC9B2FAAFAF0B910C6871FB29D_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsMaximumExposure_F84B6CBC9B2FAAFAF0B910C6871FB29D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantee Obligations Maximum Exposure</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_F84B6CBC9B2FAAFAF0B910C6871FB29D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsMaximumExposure_F84B6CBC9B2FAAFAF0B910C6871FB29D" xlink:to="lab_us-gaap_GuaranteeObligationsMaximumExposure_F84B6CBC9B2FAAFAF0B910C6871FB29D" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredRevenue_E73EDD1A4C6F40AB8C2E10C6871F8B10_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredRevenue_E73EDD1A4C6F40AB8C2E10C6871F8B10" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Revenue</link:label>
    <link:label id="lab_us-gaap_DeferredRevenue_E73EDD1A4C6F40AB8C2E10C6871F8B10_label_en-US" xlink:label="lab_us-gaap_DeferredRevenue_E73EDD1A4C6F40AB8C2E10C6871F8B10" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Revenue</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredRevenue" xlink:label="loc_us-gaap_DeferredRevenue_E73EDD1A4C6F40AB8C2E10C6871F8B10" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredRevenue_E73EDD1A4C6F40AB8C2E10C6871F8B10" xlink:to="lab_us-gaap_DeferredRevenue_E73EDD1A4C6F40AB8C2E10C6871F8B10" xlink:type="arc" />
    <link:label id="lab_us-gaap_LoansAndLeasesReceivableAllowance_D9122A3A0EC0B717C4C61121A4EFF599_terseLabel_en-US" xlink:label="lab_us-gaap_LoansAndLeasesReceivableAllowance_D9122A3A0EC0B717C4C61121A4EFF599" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes and Leases Receivable Allowance</link:label>
    <link:label id="lab_us-gaap_LoansAndLeasesReceivableAllowance_D9122A3A0EC0B717C4C61121A4EFF599_label_en-US" xlink:label="lab_us-gaap_LoansAndLeasesReceivableAllowance_D9122A3A0EC0B717C4C61121A4EFF599" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and Leases Receivable, Allowance</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LoansAndLeasesReceivableAllowance" xlink:label="loc_us-gaap_LoansAndLeasesReceivableAllowance_D9122A3A0EC0B717C4C61121A4EFF599" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansAndLeasesReceivableAllowance_D9122A3A0EC0B717C4C61121A4EFF599" xlink:to="lab_us-gaap_LoansAndLeasesReceivableAllowance_D9122A3A0EC0B717C4C61121A4EFF599" xlink:type="arc" />
    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivable_72596A0DD241CA57385210E7B8D6AD99_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivable_72596A0DD241CA57385210E7B8D6AD99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for Receivables and Other Financing Assets</link:label>
    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivable_72596A0DD241CA57385210E7B8D6AD99_label_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivable_72596A0DD241CA57385210E7B8D6AD99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance for Doubtful Accounts Receivable</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_E66599FEFE4D212829C81BDBC914C508" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares_36ADCF39875DB78F6CEF1BDBC914B6CC_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares_36ADCF39875DB78F6CEF1BDBC914B6CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Stock Ownership Plan (ESOP), Number of Allocated Shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares_36ADCF39875DB78F6CEF1BDBC914B6CC" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfSuspenseShares_86F780E42558FB29318E1BDBC914F554_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfSuspenseShares_86F780E42558FB29318E1BDBC914F554" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee Stock Ownership Plan (ESOP), Number of Suspense Shares</link:label>
    <link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfSuspenseShares_86F780E42558FB29318E1BDBC914F554_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfSuspenseShares_86F780E42558FB29318E1BDBC914F554" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Stock Ownership Plan (ESOP), Number of Suspense Shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeStockOwnershipPlanESOPNumberOfSuspenseShares" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfSuspenseShares_86F780E42558FB29318E1BDBC914F554" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPDeferredSharesFairValue_3EF47BAC7D3CCFAE1F581BDBC924EA76_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPDeferredSharesFairValue_3EF47BAC7D3CCFAE1F581BDBC924EA76" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee Stock Ownership Plan (ESOP), Deferred Shares, Fair Value</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeStockOwnershipPlanESOPDeferredSharesFairValue" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPDeferredSharesFairValue_3EF47BAC7D3CCFAE1F581BDBC924EA76" xlink:type="locator" />
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    <link:label id="lab_utx_GlobalEquitiesMember_6A92C27C5A9BB1D2DD051EB679C2372E_terseLabel_en-US" xlink:label="lab_utx_GlobalEquitiesMember_6A92C27C5A9BB1D2DD051EB679C2372E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Global Equities [Member]</link:label>
    <link:label id="lab_utx_GlobalEquitiesMember_6A92C27C5A9BB1D2DD051EB679C2372E_label_en-US" xlink:label="lab_utx_GlobalEquitiesMember_6A92C27C5A9BB1D2DD051EB679C2372E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Global Equities [Member]</link:label>
    <link:label id="lab_utx_GlobalEquitiesMember_6A92C27C5A9BB1D2DD051EB679C2372E_documentation_en-US" xlink:label="lab_utx_GlobalEquitiesMember_6A92C27C5A9BB1D2DD051EB679C2372E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This category represents investments in global common stocks of companies in developed and emerging countries.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_GlobalEquitiesMember" xlink:label="loc_utx_GlobalEquitiesMember_6A92C27C5A9BB1D2DD051EB679C2372E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_utx_GlobalEquitiesMember_6A92C27C5A9BB1D2DD051EB679C2372E" xlink:to="lab_utx_GlobalEquitiesMember_6A92C27C5A9BB1D2DD051EB679C2372E" xlink:type="arc" />
    <link:label id="lab_utx_GlobalEquityCommingledFundsMember_507B67EE70A3C96E94F71EB679C23C91_terseLabel_en-US" xlink:label="lab_utx_GlobalEquityCommingledFundsMember_507B67EE70A3C96E94F71EB679C23C91" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Global Equity Commingled Funds [Member]</link:label>
    <link:label id="lab_utx_GlobalEquityCommingledFundsMember_507B67EE70A3C96E94F71EB679C23C91_label_en-US" xlink:label="lab_utx_GlobalEquityCommingledFundsMember_507B67EE70A3C96E94F71EB679C23C91" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Global Equity Commingled Funds [Member]</link:label>
    <link:label id="lab_utx_GlobalEquityCommingledFundsMember_507B67EE70A3C96E94F71EB679C23C91_documentation_en-US" xlink:label="lab_utx_GlobalEquityCommingledFundsMember_507B67EE70A3C96E94F71EB679C23C91" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This category represents commingled funds that invest primarily in common stocks.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_GlobalEquityCommingledFundsMember" xlink:label="loc_utx_GlobalEquityCommingledFundsMember_507B67EE70A3C96E94F71EB679C23C91" xlink:type="locator" />
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    <link:label id="lab_utx_EnhancedGlobalEquitiesMember_90CE800C852B85AF1F771EB679C278FC_terseLabel_en-US" xlink:label="lab_utx_EnhancedGlobalEquitiesMember_90CE800C852B85AF1F771EB679C278FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Enhanced Global Equities [Member]</link:label>
    <link:label id="lab_utx_EnhancedGlobalEquitiesMember_90CE800C852B85AF1F771EB679C278FC_label_en-US" xlink:label="lab_utx_EnhancedGlobalEquitiesMember_90CE800C852B85AF1F771EB679C278FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Enhanced Global Equities [Member]</link:label>
    <link:label id="lab_utx_EnhancedGlobalEquitiesMember_90CE800C852B85AF1F771EB679C278FC_documentation_en-US" xlink:label="lab_utx_EnhancedGlobalEquitiesMember_90CE800C852B85AF1F771EB679C278FC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This category represents enhanced equity separate account and commingled fund portfolios. A portion of the portfolio may include long-short market neutral and relative value strategies that invest in publically traded, equity and fixed income securities, as well as derivatives of equity and fixed income securities and foreign currency.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_EnhancedGlobalEquitiesMember" xlink:label="loc_utx_EnhancedGlobalEquitiesMember_90CE800C852B85AF1F771EB679C278FC" xlink:type="locator" />
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    <link:label id="lab_utx_GlobalEquityFundsatnetassetvalueMember_58EB3D26684B10BB4B6E1EB679C2BC68_terseLabel_en-US" xlink:label="lab_utx_GlobalEquityFundsatnetassetvalueMember_58EB3D26684B10BB4B6E1EB679C2BC68" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Global Equity Funds at net asset value [Member]</link:label>
    <link:label id="lab_utx_GlobalEquityFundsatnetassetvalueMember_58EB3D26684B10BB4B6E1EB679C2BC68_label_en-US" xlink:label="lab_utx_GlobalEquityFundsatnetassetvalueMember_58EB3D26684B10BB4B6E1EB679C2BC68" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Global Equity Funds at net asset value [Member]</link:label>
    <link:label id="lab_utx_GlobalEquityFundsatnetassetvalueMember_58EB3D26684B10BB4B6E1EB679C2BC68_documentation_en-US" xlink:label="lab_utx_GlobalEquityFundsatnetassetvalueMember_58EB3D26684B10BB4B6E1EB679C2BC68" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Global Equity Funds at net asset value [Member]</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_GlobalEquityFundsatnetassetvalueMember" xlink:label="loc_utx_GlobalEquityFundsatnetassetvalueMember_58EB3D26684B10BB4B6E1EB679C2BC68" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PrivateEquityFundsMember_5237130AEDEA56D518231EB679C26B82_verboseLabel_en-US" xlink:label="lab_us-gaap_PrivateEquityFundsMember_5237130AEDEA56D518231EB679C26B82" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Private Equities</link:label>
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    <link:label id="lab_us-gaap_USTreasuryAndGovernmentMember_3F164F092D569FBA47F01EB679C2AF47_terseLabel_en-US" xlink:label="lab_us-gaap_USTreasuryAndGovernmentMember_3F164F092D569FBA47F01EB679C2AF47" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Governments [Member]</link:label>
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    <link:label id="lab_us-gaap_CorporateDebtSecuritiesMember_7C7C6903AB5ADF6BCA131EB679C3BCE0_verboseLabel_en-US" xlink:label="lab_us-gaap_CorporateDebtSecuritiesMember_7C7C6903AB5ADF6BCA131EB679C3BCE0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Corporate Bonds [Member]</link:label>
    <link:label id="lab_us-gaap_CorporateDebtSecuritiesMember_7C7C6903AB5ADF6BCA131EB679C3BCE0_label_en-US" xlink:label="lab_us-gaap_CorporateDebtSecuritiesMember_7C7C6903AB5ADF6BCA131EB679C3BCE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate Debt Securities [Member]</link:label>
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    <link:label id="lab_us-gaap_FixedIncomeSecuritiesMember_979A43104E22F5C08B811EB679C35FA5_label_en-US" xlink:label="lab_us-gaap_FixedIncomeSecuritiesMember_979A43104E22F5C08B811EB679C35FA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixed Income Securities [Member]</link:label>
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    <link:label id="lab_utx_OtherPensionPlanAssetsMember_4252C4CBE267158AE5D01EB679C3A48D_verboseLabel_en-US" xlink:label="lab_utx_OtherPensionPlanAssetsMember_4252C4CBE267158AE5D01EB679C3A48D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other [Member]</link:label>
    <link:label id="lab_utx_OtherPensionPlanAssetsMember_4252C4CBE267158AE5D01EB679C3A48D_label_en-US" xlink:label="lab_utx_OtherPensionPlanAssetsMember_4252C4CBE267158AE5D01EB679C3A48D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Pension Plan Assets [Member]</link:label>
    <link:label id="lab_utx_OtherPensionPlanAssetsMember_4252C4CBE267158AE5D01EB679C3A48D_documentation_en-US" xlink:label="lab_utx_OtherPensionPlanAssetsMember_4252C4CBE267158AE5D01EB679C3A48D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This category represents insurance contracts and a global balanced risk commingled fund consisting of equity, bonds and commodities.</link:label>
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    <link:label id="lab_us-gaap_FairValueInputsLevel1Member_9B80FA56C6DE6F37942B1EB679C3AAEB_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member_9B80FA56C6DE6F37942B1EB679C3AAEB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Quoted price in active markets (Level 1) [Member]</link:label>
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    <link:label id="lab_utx_AssetsexcludingAssetsHeldforSale_463CD7CAF48383340668F0D5BBE0E3BD_terseLabel_en-US" xlink:label="lab_utx_AssetsexcludingAssetsHeldforSale_463CD7CAF48383340668F0D5BBE0E3BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets excluding Assets Held for Sale</link:label>
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    <link:label id="lab_utx_UnitedStatesGovernmentSales_86690B9621B45DF6F8BCF0D5BBE0E3BE_terseLabel_en-US" xlink:label="lab_utx_UnitedStatesGovernmentSales_86690B9621B45DF6F8BCF0D5BBE0E3BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Major Customers, U.S. Government Sales</link:label>
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    <link:label id="lab_utx_UnitedStatesGovernmentSales_86690B9621B45DF6F8BCF0D5BBE0E3BE_documentation_en-US" xlink:label="lab_utx_UnitedStatesGovernmentSales_86690B9621B45DF6F8BCF0D5BBE0E3BE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Direct and indirect sales of manufactured products (other than experimental) to the U.S. Government.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_UnitedStatesGovernmentSales" xlink:label="loc_utx_UnitedStatesGovernmentSales_86690B9621B45DF6F8BCF0D5BBE0E3BE" xlink:type="locator" />
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    <link:label id="lab_utx_MajorCustomersAirbusSales_B93CAF2D301D206F7507F0D5BBE0DAE2_label_en-US" xlink:label="lab_utx_MajorCustomersAirbusSales_B93CAF2D301D206F7507F0D5BBE0DAE2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Major Customers, Airbus Sales</link:label>
    <link:label id="lab_utx_MajorCustomersAirbusSales_B93CAF2D301D206F7507F0D5BBE0DAE2_documentation_en-US" xlink:label="lab_utx_MajorCustomersAirbusSales_B93CAF2D301D206F7507F0D5BBE0DAE2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Major Customers, Airbus Sales</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_MajorCustomersAirbusSales" xlink:label="loc_utx_MajorCustomersAirbusSales_B93CAF2D301D206F7507F0D5BBE0DAE2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ReceivablesAbstract_473487BBA7F07984E8001E780AF7FA3A_label_en-US" xlink:label="lab_us-gaap_ReceivablesAbstract_473487BBA7F07984E8001E780AF7FA3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivables [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="loc_us-gaap_ReceivablesAbstract_473487BBA7F07984E8001E780AF7FA3A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_6311035038AFE56D1E331E780AF7F874_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_6311035038AFE56D1E331E780AF7F874" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_6311035038AFE56D1E331E780AF7F874" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_38A99E74E417B34290911E780AF7C378" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_9677A58DA23F3689D71B1E780AF7A406_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_9677A58DA23F3689D71B1E780AF7A406" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Financing Receivable [Domain]</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_9677A58DA23F3689D71B1E780AF7A406_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_9677A58DA23F3689D71B1E780AF7A406" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Financing Receivable, Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_9677A58DA23F3689D71B1E780AF7A406" xlink:type="locator" />
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    <link:label id="lab_utx_LongTermTradeAccountsReceivableFinancingReceivableMember_B7311AAFE934B90EE01D1E780AF7F4A2_terseLabel_en-US" xlink:label="lab_utx_LongTermTradeAccountsReceivableFinancingReceivableMember_B7311AAFE934B90EE01D1E780AF7F4A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Trade Accounts Receivable [Member]</link:label>
    <link:label id="lab_utx_LongTermTradeAccountsReceivableFinancingReceivableMember_B7311AAFE934B90EE01D1E780AF7F4A2_label_en-US" xlink:label="lab_utx_LongTermTradeAccountsReceivableFinancingReceivableMember_B7311AAFE934B90EE01D1E780AF7F4A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Trade Accounts Receivable Financing Receivable [Member]</link:label>
    <link:label id="lab_utx_LongTermTradeAccountsReceivableFinancingReceivableMember_B7311AAFE934B90EE01D1E780AF7F4A2_documentation_en-US" xlink:label="lab_utx_LongTermTradeAccountsReceivableFinancingReceivableMember_B7311AAFE934B90EE01D1E780AF7F4A2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Class of financing receivables related to aerospace long-term trade accounts financing receivables.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_LongTermTradeAccountsReceivableFinancingReceivableMember" xlink:label="loc_utx_LongTermTradeAccountsReceivableFinancingReceivableMember_B7311AAFE934B90EE01D1E780AF7F4A2" xlink:type="locator" />
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    <link:label id="lab_utx_NotesAndLeasesReceivableFinancingReceivableMember_37C5A2527320D446564F1E780AF7A314_terseLabel_en-US" xlink:label="lab_utx_NotesAndLeasesReceivableFinancingReceivableMember_37C5A2527320D446564F1E780AF7A314" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes and Leases Receivable [Member]</link:label>
    <link:label id="lab_utx_NotesAndLeasesReceivableFinancingReceivableMember_37C5A2527320D446564F1E780AF7A314_label_en-US" xlink:label="lab_utx_NotesAndLeasesReceivableFinancingReceivableMember_37C5A2527320D446564F1E780AF7A314" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes and Leases Receivable Financing Receivable [Member]</link:label>
    <link:label id="lab_utx_NotesAndLeasesReceivableFinancingReceivableMember_37C5A2527320D446564F1E780AF7A314_documentation_en-US" xlink:label="lab_utx_NotesAndLeasesReceivableFinancingReceivableMember_37C5A2527320D446564F1E780AF7A314" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Class of financing receivables related to aerospace notes and leases financing receivables.</link:label>
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    <link:label id="lab_utx_DisposalGroupIncludingDiscontinuedOperationsResearchandDevelopmentExpense_62503EA34C8D36396647197FF92440BB_documentation_en-US" xlink:label="lab_utx_DisposalGroupIncludingDiscontinuedOperationsResearchandDevelopmentExpense_62503EA34C8D36396647197FF92440BB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of research and development expense attributable to a disposal group, including, but not limited to, discontinued operation.</link:label>
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    <link:label id="lab_utx_DisposalGroupIncludingDiscontinuedOperationPensionCurtailment_315AEC5E0728A121F9A8197FF9247596_documentation_en-US" xlink:label="lab_utx_DisposalGroupIncludingDiscontinuedOperationPensionCurtailment_315AEC5E0728A121F9A8197FF9247596" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of Pension Curtailment attributable to disposal group, including, but not limited to, discontinued operation.</link:label>
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    <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_7F80AF3FEFC3172F73DC197FF92489A1_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_7F80AF3FEFC3172F73DC197FF92489A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other income, net</link:label>
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    <link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax_A5B20FA5AC5610EA3DE8197FF9244BAC_totalLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax_A5B20FA5AC5610EA3DE8197FF9244BAC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Income from operations</link:label>
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    <link:label id="lab_us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax_53DC395ED1CB18429927197FF924F5C9_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax_53DC395ED1CB18429927197FF924F5C9" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Gain on disposal</link:label>
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    <link:label id="lab_utx_ASU201514Member_E952EC9D7924E86B37901E780AF751BE_label_en-US" xlink:label="lab_utx_ASU201514Member_E952EC9D7924E86B37901E780AF751BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ASU 2015-14 [Member]</link:label>
    <link:label id="lab_utx_ASU201514Member_E952EC9D7924E86B37901E780AF751BE_documentation_en-US" xlink:label="lab_utx_ASU201514Member_E952EC9D7924E86B37901E780AF751BE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ASU defers the effect date of Topic 606 - Revenue from contracts with customers</link:label>
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    <link:label id="lab_utx_ASU201608Member_0C4E25E5686761F3D5911E780AF77841_label_en-US" xlink:label="lab_utx_ASU201608Member_0C4E25E5686761F3D5911E780AF77841" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ASU 2016-08 [Member]</link:label>
    <link:label id="lab_utx_ASU201608Member_0C4E25E5686761F3D5911E780AF77841_documentation_en-US" xlink:label="lab_utx_ASU201608Member_0C4E25E5686761F3D5911E780AF77841" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The ASU clarifies how an entity should identify the unit of accounting for the principal versus agent evaluation and how it should apply the control principal to certain types of arrangements.</link:label>
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    <link:label id="lab_utx_ASU201610Member_2790C36185EDF0E72B831E780AF78A1A_documentation_en-US" xlink:label="lab_utx_ASU201610Member_2790C36185EDF0E72B831E780AF78A1A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This ASU clarifies the guidance surrounding licensing arrangements and the identification of performance obligations.</link:label>
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    <link:label id="lab_utx_ASU201612Member_A7AA65FB68343D850A3D1E780AF74B3A_label_en-US" xlink:label="lab_utx_ASU201612Member_A7AA65FB68343D850A3D1E780AF74B3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ASU 2016-12 [Member]</link:label>
    <link:label id="lab_utx_ASU201612Member_A7AA65FB68343D850A3D1E780AF74B3A_documentation_en-US" xlink:label="lab_utx_ASU201612Member_A7AA65FB68343D850A3D1E780AF74B3A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ASU addresses implementation issues raised by stakeholders concerning collectability, noncash consideration, presentation of sales tax and transition.</link:label>
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    <link:label id="lab_utx_ASU201620MemberDomain_EA48496A569A602A3C7D1E780AF7E7F0_label_en-US" xlink:label="lab_utx_ASU201620MemberDomain_EA48496A569A602A3C7D1E780AF7E7F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ASU 2016-20 [Member] [Domain]</link:label>
    <link:label id="lab_utx_ASU201620MemberDomain_EA48496A569A602A3C7D1E780AF7E7F0_documentation_en-US" xlink:label="lab_utx_ASU201620MemberDomain_EA48496A569A602A3C7D1E780AF7E7F0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ASU 2016-20, Revenue from Contracts with Customers (Topic 606), Technical Corrections and Improvements - addresses loan guarantee fees, impairment testing of contract costs, provisions for losses on certain contracts, and various disclosures.</link:label>
    <link:loc xlink:href="utx-20161231.xsd#utx_ASU201620MemberDomain" xlink:label="loc_utx_ASU201620MemberDomain_EA48496A569A602A3C7D1E780AF7E7F0" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AccountingStandardsUpdate201409Member_B0BE1A7EF20BDC17F7B51E780AF768A2_label_en-US" xlink:label="lab_us-gaap_AccountingStandardsUpdate201409Member_B0BE1A7EF20BDC17F7B51E780AF768A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounting Standards Update 2014-09 [Member]</link:label>
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    <link:label id="lab_utx_InventoryCostsinExcessofAverageCostPerUnit_19DDD101D59894FBCEFF1E780AF767ED_label_en-US" xlink:label="lab_utx_InventoryCostsinExcessofAverageCostPerUnit_19DDD101D59894FBCEFF1E780AF767ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Costs in Excess of Average Cost Per Unit</link:label>
    <link:label id="lab_utx_InventoryCostsinExcessofAverageCostPerUnit_19DDD101D59894FBCEFF1E780AF767ED_documentation_en-US" xlink:label="lab_utx_InventoryCostsinExcessofAverageCostPerUnit_19DDD101D59894FBCEFF1E780AF767ED" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inventory costs in excess of the projected average cost per unit that are capitalized on a contract-by-contract basis.</link:label>
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    <link:label id="lab_utx_PercentageOfInventoryForLongTermContractsScheduledForDeliveryWithinSucceeding12Months_EC5679C43372E86263901E62656DE57F_label_en-US" xlink:label="lab_utx_PercentageOfInventoryForLongTermContractsScheduledForDeliveryWithinSucceeding12Months_EC5679C43372E86263901E62656DE57F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Inventory For Long Term Contracts Scheduled For Delivery Within Succeeding 12 Months</link:label>
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    <link:label id="lab_utx_CommercialAerospaceIndustryAssetsAndCommitmentsTableTextBlock_7A41172693DE639246FA1E6238A8512C_terseLabel_en-US" xlink:label="lab_utx_CommercialAerospaceIndustryAssetsAndCommitmentsTableTextBlock_7A41172693DE639246FA1E6238A8512C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial Aerospace Industry Assets and Commitments [Table Text Block]</link:label>
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    <link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_B475E28D0DD15E874B30055C93313735_label_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_B475E28D0DD15E874B30055C93313735" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidation, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock_B475E28D0DD15E874B30055C93313735" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_99B2EC5A85C4E4222475055C933345A3_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_99B2EC5A85C4E4222475055C933345A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_99B2EC5A85C4E4222475055C933345A3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_99B2EC5A85C4E4222475055C933345A3" xlink:to="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_99B2EC5A85C4E4222475055C933345A3" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_8545A57DD6A1D3B9A123055C9333704E_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_8545A57DD6A1D3B9A123055C9333704E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash And Cash Equivalents Restricted Cash And Cash Equivalents Policy</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:label="loc_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_8545A57DD6A1D3B9A123055C9333704E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ReceivablesPolicyTextBlock_52E292664334768E985C055C9333B229_terseLabel_en-US" xlink:label="lab_us-gaap_ReceivablesPolicyTextBlock_52E292664334768E985C055C9333B229" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts Receivable Policy [Text Block]</link:label>
    <link:label id="lab_us-gaap_ReceivablesPolicyTextBlock_52E292664334768E985C055C9333B229_label_en-US" xlink:label="lab_us-gaap_ReceivablesPolicyTextBlock_52E292664334768E985C055C9333B229" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivables, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReceivablesPolicyTextBlock" xlink:label="loc_us-gaap_ReceivablesPolicyTextBlock_52E292664334768E985C055C9333B229" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReceivablesPolicyTextBlock_52E292664334768E985C055C9333B229" xlink:to="lab_us-gaap_ReceivablesPolicyTextBlock_52E292664334768E985C055C9333B229" xlink:type="arc" />
    <link:label id="lab_us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_79CC929F542E515E1101055C9333929D_terseLabel_en-US" xlink:label="lab_us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_79CC929F542E515E1101055C9333929D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Marketable Equity Securities Policy</link:label>
    <link:label id="lab_us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_79CC929F542E515E1101055C9333929D_label_en-US" xlink:label="lab_us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_79CC929F542E515E1101055C9333929D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities, Available-for-sale Securities, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy" xlink:label="loc_us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_79CC929F542E515E1101055C9333929D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_InventoryPolicyTextBlock_165034F88A564153AC4F055C933314FA_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_165034F88A564153AC4F055C933314FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories and Contracts in Progress Policy Text Block</link:label>
    <link:label id="lab_us-gaap_InventoryPolicyTextBlock_165034F88A564153AC4F055C933314FA_label_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_165034F88A564153AC4F055C933314FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="loc_us-gaap_InventoryPolicyTextBlock_165034F88A564153AC4F055C933314FA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryPolicyTextBlock_165034F88A564153AC4F055C933314FA" xlink:to="lab_us-gaap_InventoryPolicyTextBlock_165034F88A564153AC4F055C933314FA" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityMethodInvestmentsPolicy_C394CF8B5C06492B2A32055C9333F236_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentsPolicy_C394CF8B5C06492B2A32055C9333F236" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Method Investments Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentsPolicy_C394CF8B5C06492B2A32055C9333F236_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentsPolicy_C394CF8B5C06492B2A32055C9333F236" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investments, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityMethodInvestmentsPolicy" xlink:label="loc_us-gaap_EquityMethodInvestmentsPolicy_C394CF8B5C06492B2A32055C9333F236" xlink:type="locator" />
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    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_06E2BFE55158F67BA6B9055C933325BD_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_06E2BFE55158F67BA6B9055C933325BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill And Intangible Assets Policy [Text Block]</link:label>
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_06E2BFE55158F67BA6B9055C933325BD_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_06E2BFE55158F67BA6B9055C933325BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_06E2BFE55158F67BA6B9055C933325BD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_04A22E54A8F045C5BAB8055C9333419E_terseLabel_en-US" xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_04A22E54A8F045C5BAB8055C9333419E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Long Lived Assets Policy [Text Block]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_04A22E54A8F045C5BAB8055C9333419E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_04A22E54A8F045C5BAB8055C9333419E" xlink:to="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_04A22E54A8F045C5BAB8055C9333419E" xlink:type="arc" />
    <link:label id="lab_us-gaap_FinancingReceivablesTextBlock_C55CBF3DBB2E7986B2FF055C9333A1AE_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivablesTextBlock_C55CBF3DBB2E7986B2FF055C9333A1AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-Term Financing Receivables Policy [Text Block]</link:label>
    <link:label id="lab_us-gaap_FinancingReceivablesTextBlock_C55CBF3DBB2E7986B2FF055C9333A1AE_label_en-US" xlink:label="lab_us-gaap_FinancingReceivablesTextBlock_C55CBF3DBB2E7986B2FF055C9333A1AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivables [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FinancingReceivablesTextBlock" xlink:label="loc_us-gaap_FinancingReceivablesTextBlock_C55CBF3DBB2E7986B2FF055C9333A1AE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_4FDCCEB55B5882D38B53055C9333C13C_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_4FDCCEB55B5882D38B53055C9333C13C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax Policy [Text Block]</link:label>
    <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_4FDCCEB55B5882D38B53055C9333C13C_label_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_4FDCCEB55B5882D38B53055C9333C13C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock_4FDCCEB55B5882D38B53055C9333C13C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_63E97D43A689D63CFB46055C9333E38E_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_63E97D43A689D63CFB46055C9333E38E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue Recognition Policy</link:label>
    <link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_63E97D43A689D63CFB46055C9333E38E_label_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_63E97D43A689D63CFB46055C9333E38E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue Recognition, Policy [Policy Text Block]</link:label>
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