<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva, formerly WebFilings-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.aaon.com/role/AccountsReceivable" xlink:href="aaon-20141231.xsd#AccountsReceivable" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/AccountsReceivableAllowanceDetails" xlink:href="aaon-20141231.xsd#AccountsReceivableAllowanceDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/AccountsReceivableDetails" xlink:href="aaon-20141231.xsd#AccountsReceivableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/AccountsReceivableTables" xlink:href="aaon-20141231.xsd#AccountsReceivableTables" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/AccruedLiabilities" xlink:href="aaon-20141231.xsd#AccruedLiabilities" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/AccruedLiabilitiesDetails" xlink:href="aaon-20141231.xsd#AccruedLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/AccruedLiabilitiesTables" xlink:href="aaon-20141231.xsd#AccruedLiabilitiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/BusinessDescription" xlink:href="aaon-20141231.xsd#BusinessDescription" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/CommitmentsAndContingencies" xlink:href="aaon-20141231.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/CommitmentsAndContingenciesDetails" xlink:href="aaon-20141231.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ConsolidatedBalanceSheets" xlink:href="aaon-20141231.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="aaon-20141231.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="aaon-20141231.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ConsolidatedStatementsOfIncome" xlink:href="aaon-20141231.xsd#ConsolidatedStatementsOfIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ConsolidatedStatementsOfIncomeParenthetical" xlink:href="aaon-20141231.xsd#ConsolidatedStatementsOfIncomeParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:href="aaon-20141231.xsd#ConsolidatedStatementsOfStockholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ConsolidatedStatementsOfStockholdersEquityParenthetical" xlink:href="aaon-20141231.xsd#ConsolidatedStatementsOfStockholdersEquityParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/DocumentAndEntityInformation" xlink:href="aaon-20141231.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/EarningsPerShare" xlink:href="aaon-20141231.xsd#EarningsPerShare" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/EarningsPerShareDetails" xlink:href="aaon-20141231.xsd#EarningsPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/EarningsPerShareTables" xlink:href="aaon-20141231.xsd#EarningsPerShareTables" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/EmployeeBenefits" xlink:href="aaon-20141231.xsd#EmployeeBenefits" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/EmployeeBenefitsNarrativeDetails" xlink:href="aaon-20141231.xsd#EmployeeBenefitsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/IncomeTaxes" xlink:href="aaon-20141231.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/IncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails" xlink:href="aaon-20141231.xsd#IncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/IncomeTaxesDetailsNarrative" xlink:href="aaon-20141231.xsd#IncomeTaxesDetailsNarrative" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/IncomeTaxesFederalStatutoryIncomeTaxRateReconciliationDetails" xlink:href="aaon-20141231.xsd#IncomeTaxesFederalStatutoryIncomeTaxRateReconciliationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/IncomeTaxesProvisionForIncomeTaxesDetails" xlink:href="aaon-20141231.xsd#IncomeTaxesProvisionForIncomeTaxesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/IncomeTaxesTables" xlink:href="aaon-20141231.xsd#IncomeTaxesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/Inventories" xlink:href="aaon-20141231.xsd#Inventories" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/InventoriesAllowanceDetails" xlink:href="aaon-20141231.xsd#InventoriesAllowanceDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/InventoriesDetails" xlink:href="aaon-20141231.xsd#InventoriesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/InventoriesTables" xlink:href="aaon-20141231.xsd#InventoriesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/NewAccountingPronouncements" xlink:href="aaon-20141231.xsd#NewAccountingPronouncements" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/NoteReceivable" xlink:href="aaon-20141231.xsd#NoteReceivable" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/NoteReceivableDetails" xlink:href="aaon-20141231.xsd#NoteReceivableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/QuarterlyResultsUnaudited" xlink:href="aaon-20141231.xsd#QuarterlyResultsUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/QuarterlyResultsUnauditedDetails" xlink:href="aaon-20141231.xsd#QuarterlyResultsUnauditedDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/QuarterlyResultsUnauditedTables" xlink:href="aaon-20141231.xsd#QuarterlyResultsUnauditedTables" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/RevolvingCreditFacility" xlink:href="aaon-20141231.xsd#RevolvingCreditFacility" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/RevolvingCreditFacilityDetails" xlink:href="aaon-20141231.xsd#RevolvingCreditFacilityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ShareBasedCompensation" xlink:href="aaon-20141231.xsd#ShareBasedCompensation" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ShareBasedCompensationNarrativeDetails" xlink:href="aaon-20141231.xsd#ShareBasedCompensationNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ShareBasedCompensationSummaryOfAssumptionsDetails" xlink:href="aaon-20141231.xsd#ShareBasedCompensationSummaryOfAssumptionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ShareBasedCompensationSummaryOfGrantDateFairValueOfAwardsDetails" xlink:href="aaon-20141231.xsd#ShareBasedCompensationSummaryOfGrantDateFairValueOfAwardsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ShareBasedCompensationSummaryOfIncomeTaxBenefitRelatedToShareBasedCompensationDetails" xlink:href="aaon-20141231.xsd#ShareBasedCompensationSummaryOfIncomeTaxBenefitRelatedToShareBasedCompensationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ShareBasedCompensationSummaryOfShareBasedCompensationExpenseDetails" xlink:href="aaon-20141231.xsd#ShareBasedCompensationSummaryOfShareBasedCompensationExpenseDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ShareBasedCompensationSummaryOfStockOptionActivityDetails" xlink:href="aaon-20141231.xsd#ShareBasedCompensationSummaryOfStockOptionActivityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ShareBasedCompensationSummaryOfStockOptionsOutstandingDetails" xlink:href="aaon-20141231.xsd#ShareBasedCompensationSummaryOfStockOptionsOutstandingDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ShareBasedCompensationSummaryOfUnvestedRestrictedStockAwardsDetails" xlink:href="aaon-20141231.xsd#ShareBasedCompensationSummaryOfUnvestedRestrictedStockAwardsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ShareBasedCompensationTables" xlink:href="aaon-20141231.xsd#ShareBasedCompensationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ShareholdersEquity" xlink:href="aaon-20141231.xsd#ShareholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/ShareholdersEquityDetailsNarrative" xlink:href="aaon-20141231.xsd#ShareholdersEquityDetailsNarrative" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="aaon-20141231.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/SummaryOfSignificantAccountingPoliciesEstimatedUsefulLivesDetails" xlink:href="aaon-20141231.xsd#SummaryOfSignificantAccountingPoliciesEstimatedUsefulLivesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:href="aaon-20141231.xsd#SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="aaon-20141231.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfInvestmentsHeldToMaturityDetails" xlink:href="aaon-20141231.xsd#SummaryOfSignificantAccountingPoliciesSummaryOfInvestmentsHeldToMaturityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:href="aaon-20141231.xsd#SummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/SupplementalCashFlowInformation" xlink:href="aaon-20141231.xsd#SupplementalCashFlowInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/SupplementalCashFlowInformationDetails" xlink:href="aaon-20141231.xsd#SupplementalCashFlowInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/SupplementalCashFlowInformationTables" xlink:href="aaon-20141231.xsd#SupplementalCashFlowInformationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/Warranties" xlink:href="aaon-20141231.xsd#Warranties" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/WarrantiesDetails" xlink:href="aaon-20141231.xsd#WarrantiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/WarrantiesDetailsNarrative" xlink:href="aaon-20141231.xsd#WarrantiesDetailsNarrative" xlink:type="simple" />
  <roleRef roleURI="http://www.aaon.com/role/WarrantiesTables" xlink:href="aaon-20141231.xsd#WarrantiesTables" xlink:type="simple" />
  <calculationLink xlink:role="http://www.aaon.com/role/AccountsReceivable" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/AccountsReceivableAllowanceDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/AccountsReceivableDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_05404162-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_05534032-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_05404162-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_05534032-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_0ba1ef88-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_05404162-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_0ba1ef88-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.aaon.com/role/AccountsReceivableTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/AccruedLiabilities" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/AccruedLiabilitiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_0607a31a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_9376dea0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0607a31a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_9376dea0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedSalesCommissionCurrent" xlink:label="loc_us-gaap_AccruedSalesCommissionCurrent_05f61668-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0607a31a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AccruedSalesCommissionCurrent_05f61668-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_40740782-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0607a31a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_40740782-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="aaon-20141231.xsd#aaon_AccruedProfitSharingCurrent" xlink:label="loc_aaon_AccruedProfitSharingCurrent_b2758f5c-a95d-11e3-b035-22000a1e8102" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0607a31a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_AccruedProfitSharingCurrent_b2758f5c-a95d-11e3-b035-22000a1e8102" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WorkersCompensationLiabilityCurrent" xlink:label="loc_us-gaap_WorkersCompensationLiabilityCurrent_ba7ff860-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0607a31a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_WorkersCompensationLiabilityCurrent_ba7ff860-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SelfInsuranceReserveCurrent" xlink:label="loc_us-gaap_SelfInsuranceReserveCurrent_aac89f4e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0607a31a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_SelfInsuranceReserveCurrent_aac89f4e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CustomerAdvancesAndDepositsCurrent" xlink:label="loc_us-gaap_CustomerAdvancesAndDepositsCurrent_245372cc-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0607a31a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_CustomerAdvancesAndDepositsCurrent_245372cc-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedEmployeeBenefitsCurrent" xlink:label="loc_us-gaap_AccruedEmployeeBenefitsCurrent_05f6902a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0607a31a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AccruedEmployeeBenefitsCurrent_05f6902a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_86fe726e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0607a31a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_86fe726e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.aaon.com/role/AccruedLiabilitiesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/BusinessDescription" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/CommitmentsAndContingenciesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_6e1ed1d0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_6e17fb62-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_6e1ed1d0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_LiabilitiesCurrent_6e17fb62-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_05630b34-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_6e17fb62-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AccountsPayableCurrent_05630b34-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_0607a31a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_6e17fb62-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_0607a31a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_2b46081a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_6e1ed1d0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_2b46081a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_adca42f6-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_6e1ed1d0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_adca42f6-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_8fab7cfe-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_adca42f6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PreferredStockValue_8fab7cfe-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_1e2a510e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_adca42f6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_CommonStockValue_1e2a510e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_us-gaap_AdditionalPaidInCapital_06e972fe-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_adca42f6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AdditionalPaidInCapital_06e972fe-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_a33a731a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_adca42f6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_a33a731a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_1e12e4ba-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_6e1ed1d0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_CommitmentsAndContingencies_1e12e4ba-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredRevenue" xlink:label="loc_us-gaap_DeferredRevenue_2a77943a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_6e1ed1d0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_DeferredRevenue_2a77943a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAccruedLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesNoncurrent_83cff414-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_6e1ed1d0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesNoncurrent_83cff414-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_0ce13e30-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_0d216a96-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0ce13e30-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AssetsCurrent_0d216a96-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_18320242-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d216a96-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_18320242-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_05404162-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d216a96-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_05404162-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="loc_us-gaap_IncomeTaxesReceivable_6174892a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d216a96-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_IncomeTaxesReceivable_6174892a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NotesAndLoansReceivableNetCurrent" xlink:label="loc_us-gaap_NotesAndLoansReceivableNetCurrent_7dba5a4c-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d216a96-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_NotesAndLoansReceivableNetCurrent_7dba5a4c-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_6952f2e4-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d216a96-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InventoryNet_6952f2e4-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_90f899ac-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d216a96-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_90f899ac-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsNetCurrent_2af7d532-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d216a96-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_DeferredTaxAssetsNetCurrent_2af7d532-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CertificatesOfDepositAtCarryingValue" xlink:label="loc_us-gaap_CertificatesOfDepositAtCarryingValue_1ab34b16-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d216a96-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_CertificatesOfDepositAtCarryingValue_1ab34b16-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecuritiesCurrent" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesCurrent_5f245a42-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d216a96-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesCurrent_5f245a42-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_940b342e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0ce13e30-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_940b342e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_9406abd4-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_940b342e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_9406abd4-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Land" xlink:label="loc_us-gaap_Land_6b895eae-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_9406abd4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_Land_6b895eae-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BuildingsAndImprovementsGross" xlink:label="loc_us-gaap_BuildingsAndImprovementsGross_0fffe210-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_9406abd4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_BuildingsAndImprovementsGross_0fffe210-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MachineryAndEquipmentGross" xlink:label="loc_us-gaap_MachineryAndEquipmentGross_78576fe0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_9406abd4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_MachineryAndEquipmentGross_78576fe0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FurnitureAndFixturesGross" xlink:label="loc_us-gaap_FurnitureAndFixturesGross_5869b710-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_9406abd4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_FurnitureAndFixturesGross_5869b710-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_061c48ec-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_940b342e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_061c48ec-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NotesAndLoansReceivableNetNoncurrent" xlink:label="loc_us-gaap_NotesAndLoansReceivableNetNoncurrent_7da393de-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0ce13e30-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_NotesAndLoansReceivableNetNoncurrent_7da393de-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="aaon-20141231.xsd#aaon_CertificatesOfDepositNoncurrent" xlink:label="loc_aaon_CertificatesOfDepositNoncurrent_ae6159ce-e46f-ee07-8b1c-5e45c2e1b8da" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0ce13e30-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_CertificatesOfDepositNoncurrent_ae6159ce-e46f-ee07-8b1c-5e45c2e1b8da" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecuritiesNoncurrent" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesNoncurrent_5f4bbd8a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0ce13e30-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesNoncurrent_5f4bbd8a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.aaon.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_181e990a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_181e990a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_7cc2c354-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_NetIncomeLoss_7cc2c354-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_3283801c-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_Depreciation_3283801c-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdjustmentForAmortization" xlink:label="loc_us-gaap_AdjustmentForAmortization_072ed9b6-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AdjustmentForAmortization_072ed9b6-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease_0ba57054-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease_0ba57054-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryWriteDown" xlink:label="loc_us-gaap_InventoryWriteDown_69d86ed8-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InventoryWriteDown_69d86ed8-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_ab78f61e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ShareBasedCompensation_ab78f61e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_43ed111a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_43ed111a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_58ab06ca-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="8" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets_58ab06ca-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossRealized" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossRealized_57492dca-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossRealized_57492dca-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="aaon-20141231.xsd#aaon_InterestIncomeNoteReceivable" xlink:label="loc_aaon_InterestIncomeNoteReceivable_c522644a-37aa-8546-3f7e-5e45be8f21d0" xlink:type="locator" />
    <calculationArc order="10" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_InterestIncomeNoteReceivable_c522644a-37aa-8546-3f7e-5e45be8f21d0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_2a198e26-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="11" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_2a198e26-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="aaon-20141231.xsd#aaon_WriteoffofNoteReceivable" xlink:label="loc_aaon_WriteoffofNoteReceivable_42396dc2-fa39-11e2-a68d-22000a9d039f" xlink:type="locator" />
    <calculationArc order="12" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_WriteoffofNoteReceivable_42396dc2-fa39-11e2-a68d-22000a9d039f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_62c142a0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="13" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_62c142a0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInIncomeTaxesReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxesReceivable_63a0fe0e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="14" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxesReceivable_63a0fe0e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_63654850-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="15" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_63654850-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_63b112d0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="16" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_63b112d0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_62fc0fe8-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="17" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_62fc0fe8-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_63454b68-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="18" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_63454b68-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_63111686-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="19" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_7bb4725a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_63111686-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_181e990a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_933fdd60-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_933fdd60-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_93237b52-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_93237b52-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments" xlink:label="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_93386666-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_93386666-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_8abc6b7c-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_8abc6b7c-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromCollectionOfNotesReceivable" xlink:label="loc_us-gaap_ProceedsFromCollectionOfNotesReceivable_92a8ffda-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProceedsFromCollectionOfNotesReceivable_92a8ffda-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireOtherInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireOtherInvestments_8b6a97ce-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PaymentsToAcquireOtherInvestments_8b6a97ce-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireHeldToMaturitySecurities" xlink:label="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_8b61c090-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_8b61c090-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities_92e99824-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities_92e99824-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_7c8adca0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_181e990a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_7c8adca0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_92d2b820-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_7c8adca0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_92d2b820-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_a1175f4e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_7c8adca0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_a1175f4e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_43eda0b2-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_7c8adca0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_43eda0b2-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsForRepurchaseOfEquity" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfEquity_895179ee-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_7c8adca0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfEquity_895179ee-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_9308e58a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_7c8adca0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_9308e58a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="loc_us-gaap_PaymentsOfDividends_8b6e04d6-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_7c8adca0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PaymentsOfDividends_8b6e04d6-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.aaon.com/role/ConsolidatedStatementsOfIncome" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_7cc2c354-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_602ea2e4-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_7cc2c354-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_602ea2e4-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_8028df7e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_602ea2e4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OperatingIncomeLoss_8028df7e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_5c8cb1f8-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_8028df7e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_GrossProfit_5c8cb1f8-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="loc_us-gaap_SalesRevenueGoodsNet_a73282be-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_5c8cb1f8-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_SalesRevenueGoodsNet_a73282be-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="loc_us-gaap_CostOfGoodsSold_22d5e98e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_5c8cb1f8-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_CostOfGoodsSold_22d5e98e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_aace0d80-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_8028df7e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_aace0d80-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_58ab06ca-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_8028df7e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets_58ab06ca-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_67eab6b2-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_602ea2e4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_67eab6b2-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_852fe0f8-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_602ea2e4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_852fe0f8-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_610ca94a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_7cc2c354-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_610ca94a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.aaon.com/role/ConsolidatedStatementsOfIncomeParenthetical" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/ConsolidatedStatementsOfStockholdersEquityParenthetical" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/EarningsPerShare" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/EarningsPerShareDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_b93d27d4-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_b91dcd62-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_b93d27d4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_b91dcd62-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_b8c2d1f0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_b93d27d4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_b8c2d1f0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.aaon.com/role/EarningsPerShareTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/EmployeeBenefits" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/EmployeeBenefitsNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/IncomeTaxes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/IncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_2a808d7e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="aaon-20141231.xsd#aaon_DeferredTaxLiabilitiesDepreciationNoncurrent" xlink:label="loc_aaon_DeferredTaxLiabilitiesDepreciationNoncurrent_a62b9875-1afb-91c3-c05f-aea0af09cc22" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_2a808d7e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_DeferredTaxLiabilitiesDepreciationNoncurrent_a62b9875-1afb-91c3-c05f-aea0af09cc22" xlink:type="arc" />
    <loc xlink:href="aaon-20141231.xsd#aaon_DeferredTaxAssetShareBasedCompensationNoncurrent" xlink:label="loc_aaon_DeferredTaxAssetShareBasedCompensationNoncurrent_84051751-7c3d-be87-84c5-aea0af28f39f" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_2a808d7e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_DeferredTaxAssetShareBasedCompensationNoncurrent_84051751-7c3d-be87-84c5-aea0af28f39f" xlink:type="arc" />
    <loc xlink:href="aaon-20141231.xsd#aaon_DeferredTaxAssetOtherNetNoncurrent" xlink:label="loc_aaon_DeferredTaxAssetOtherNetNoncurrent_da8b4059-df36-901f-3a36-aea0ac3b0411" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_2a808d7e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_DeferredTaxAssetOtherNetNoncurrent_da8b4059-df36-901f-3a36-aea0ac3b0411" xlink:type="arc" />
    <loc xlink:href="aaon-20141231.xsd#aaon_DeferredTaxAssetsDonationsNoncurrent" xlink:label="loc_aaon_DeferredTaxAssetsDonationsNoncurrent_D64850C628B0EDC6F224601D7E508689" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_2a808d7e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_DeferredTaxAssetsDonationsNoncurrent_D64850C628B0EDC6F224601D7E508689" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent_2a8cbb1c-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="aaon-20141231.xsd#aaon_DeferredTaxAssetValuationReservesCurrent" xlink:label="loc_aaon_DeferredTaxAssetValuationReservesCurrent_2180b107-8fb3-78d9-464b-aea0b4f26923" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent_2a8cbb1c-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_DeferredTaxAssetValuationReservesCurrent_2180b107-8fb3-78d9-464b-aea0b4f26923" xlink:type="arc" />
    <loc xlink:href="aaon-20141231.xsd#aaon_DeferredTaxAssetWarrantyAccrualCurrent" xlink:label="loc_aaon_DeferredTaxAssetWarrantyAccrualCurrent_cddb6d68-e3e1-a831-4ea8-aea0bcbe1de9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent_2a8cbb1c-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_DeferredTaxAssetWarrantyAccrualCurrent_cddb6d68-e3e1-a831-4ea8-aea0bcbe1de9" xlink:type="arc" />
    <loc xlink:href="aaon-20141231.xsd#aaon_DeferredTaxAssetOtherAccualsCurrent" xlink:label="loc_aaon_DeferredTaxAssetOtherAccualsCurrent_34053d7b-c781-c1c7-2011-aea0a7b9b200" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent_2a8cbb1c-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_DeferredTaxAssetOtherAccualsCurrent_34053d7b-c781-c1c7-2011-aea0a7b9b200" xlink:type="arc" />
    <loc xlink:href="aaon-20141231.xsd#aaon_DeferredTaxAssetOtherNetCurrent" xlink:label="loc_aaon_DeferredTaxAssetOtherNetCurrent_0396830a-cecd-8b89-eef8-aea0b10cbca1" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent_2a8cbb1c-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_DeferredTaxAssetOtherNetCurrent_0396830a-cecd-8b89-eef8-aea0b10cbca1" xlink:type="arc" />
    <loc xlink:href="aaon-20141231.xsd#aaon_DonationsCurrent" xlink:label="loc_aaon_DonationsCurrent_0C6F922F34DC437C00E4601AC9B7E27D" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent_2a8cbb1c-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_DonationsCurrent_0C6F922F34DC437C00E4601AC9B7E27D" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.aaon.com/role/IncomeTaxesDetailsNarrative" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/IncomeTaxesFederalStatutoryIncomeTaxRateReconciliationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_3fd4c686-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_400c73ec-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_3fd4c686-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_400c73ec-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_3fe5a168-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_3fd4c686-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_3fe5a168-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_3ff59f64-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_3fd4c686-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_3ff59f64-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities_3fd2ab44-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_3fd4c686-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities_3fd2ab44-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.aaon.com/role/IncomeTaxesProvisionForIncomeTaxesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_610ca94a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_24375614-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_610ca94a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_24375614-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_2a198e26-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_610ca94a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_2a198e26-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.aaon.com/role/IncomeTaxesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/Inventories" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/InventoriesAllowanceDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/InventoriesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_6952f2e4-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryGross" xlink:label="loc_us-gaap_InventoryGross_69614326-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_6952f2e4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InventoryGross_69614326-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryRawMaterials" xlink:label="loc_us-gaap_InventoryRawMaterials_6a0b4de4-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryGross_69614326-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InventoryRawMaterials_6a0b4de4-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryWorkInProcess" xlink:label="loc_us-gaap_InventoryWorkInProcess_69f117d0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryGross_69614326-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InventoryWorkInProcess_69f117d0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryFinishedGoods" xlink:label="loc_us-gaap_InventoryFinishedGoods_6953de16-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryGross_69614326-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InventoryFinishedGoods_6953de16-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryValuationReserves" xlink:label="loc_us-gaap_InventoryValuationReserves_69de51b8-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_6952f2e4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InventoryValuationReserves_69de51b8-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.aaon.com/role/InventoriesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/NewAccountingPronouncements" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/NoteReceivable" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/NoteReceivableDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/QuarterlyResultsUnaudited" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/QuarterlyResultsUnauditedDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/QuarterlyResultsUnauditedTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/RevolvingCreditFacility" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/RevolvingCreditFacilityDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/ShareBasedCompensation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/ShareBasedCompensationNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/ShareBasedCompensationSummaryOfAssumptionsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/ShareBasedCompensationSummaryOfGrantDateFairValueOfAwardsDetails" xlink:type="extended">
    <loc xlink:href="aaon-20141231.xsd#aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue" xlink:label="loc_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue_5d40dfe7-1d45-a367-454a-5e45be8fa478" xlink:type="locator" />
    <loc xlink:href="aaon-20141231.xsd#aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAwardedInPeriodFairValue" xlink:label="loc_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAwardedInPeriodFairValue_ff2dd12e-fb2c-602a-d4e5-5e45ccd034f8" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue_5d40dfe7-1d45-a367-454a-5e45be8fa478" xlink:to="loc_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAwardedInPeriodFairValue_ff2dd12e-fb2c-602a-d4e5-5e45ccd034f8" xlink:type="arc" />
    <loc xlink:href="aaon-20141231.xsd#aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue" xlink:label="loc_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue_17228af5-59f3-ac57-553e-5e45c9243c62" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue_5d40dfe7-1d45-a367-454a-5e45be8fa478" xlink:to="loc_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue_17228af5-59f3-ac57-553e-5e45c9243c62" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.aaon.com/role/ShareBasedCompensationSummaryOfIncomeTaxBenefitRelatedToShareBasedCompensationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_4084b4ec-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="aaon-20141231.xsd#aaon_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseStockOptions" xlink:label="loc_aaon_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseStockOptions_5d1365ea-80cc-6c93-008a-5e45cb04b65e" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_4084b4ec-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseStockOptions_5d1365ea-80cc-6c93-008a-5e45cb04b65e" xlink:type="arc" />
    <loc xlink:href="aaon-20141231.xsd#aaon_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseRestrictedStock" xlink:label="loc_aaon_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseRestrictedStock_6e1939fc-b278-0176-8808-5e45c921b37e" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_4084b4ec-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseRestrictedStock_6e1939fc-b278-0176-8808-5e45c921b37e" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.aaon.com/role/ShareBasedCompensationSummaryOfShareBasedCompensationExpenseDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_0b9f873e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="aaon-20141231.xsd#aaon_AllocatedShareBasedCompensationExpenseStockOptions" xlink:label="loc_aaon_AllocatedShareBasedCompensationExpenseStockOptions_71531543-b629-0f2e-14b3-5e45c92a6480" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpense_0b9f873e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_AllocatedShareBasedCompensationExpenseStockOptions_71531543-b629-0f2e-14b3-5e45c92a6480" xlink:type="arc" />
    <loc xlink:href="aaon-20141231.xsd#aaon_AllocatedShareBasedCompensationExpenseRestrictedStock" xlink:label="loc_aaon_AllocatedShareBasedCompensationExpenseRestrictedStock_b372535c-fc31-b486-68bc-5e45c72f63d6" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpense_0b9f873e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_AllocatedShareBasedCompensationExpenseRestrictedStock_b372535c-fc31-b486-68bc-5e45c72f63d6" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.aaon.com/role/ShareBasedCompensationSummaryOfStockOptionActivityDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/ShareBasedCompensationSummaryOfStockOptionsOutstandingDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/ShareBasedCompensationSummaryOfUnvestedRestrictedStockAwardsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/ShareBasedCompensationTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/ShareholdersEquity" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/ShareholdersEquityDetailsNarrative" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/SummaryOfSignificantAccountingPoliciesEstimatedUsefulLivesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfInvestmentsHeldToMaturityDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecurities" xlink:label="loc_us-gaap_HeldToMaturitySecurities_5f25f582-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="aaon-20141231.xsd#aaon_HeldtomaturitySecuritiesAccumulatedUnrecognizedHoldingGains" xlink:label="loc_aaon_HeldtomaturitySecuritiesAccumulatedUnrecognizedHoldingGains_ad37519a-11fb-11e4-b035-22000a1e8102" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecurities_5f25f582-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_HeldtomaturitySecuritiesAccumulatedUnrecognizedHoldingGains_ad37519a-11fb-11e4-b035-22000a1e8102" xlink:type="arc" />
    <loc xlink:href="aaon-20141231.xsd#aaon_HeldtomaturitySecuritiesAccumulatedUnrecognizedHoldingLoss" xlink:label="loc_aaon_HeldtomaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_d39498fc-11fb-11e4-b035-22000a1e8102" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecurities_5f25f582-9656-11e2-88e7-12313d1a0274" xlink:to="loc_aaon_HeldtomaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_d39498fc-11fb-11e4-b035-22000a1e8102" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecuritiesFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue_5f469df0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecurities_5f25f582-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesFairValue_5f469df0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.aaon.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/SupplementalCashFlowInformation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/SupplementalCashFlowInformationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/SupplementalCashFlowInformationTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/Warranties" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/WarrantiesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/WarrantiesDetailsNarrative" xlink:type="extended" />
  <calculationLink xlink:role="http://www.aaon.com/role/WarrantiesTables" xlink:type="extended" />
</linkbase>
