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DOE-2 is a widely used and accepted freeware building energy analysis program that can predict the energy use and cost for all types of buildings. DOE-2 uses a ... Thankyou forvisitingDOE2.com.Thissiteistheplacewhereyoucanobtain information andproductsfromthedevelopersofDOE-2andDOE-2basedproducts including eQUEST.Thissiteismaintainedby JamesJ.Hirsch& Associates. TheDOE-2 softwarewasdevelopedbyJames J.Hirsch&Associates(JJH)incollaborationwithLawrenceBerkeleyNational Laboratory(LBNL),withLBNL DOE-2workperformedmostlyunderfundingfromtheUnitedStatesDepartmentof Energy(USDOE)andotherworkperformedmostlyunderfunding fromawiderangeofindustryorganizationsandourselves.  Thissite,however,isnotsponsoredorendorsedbyeitherUSDOEor LBNL,anduseof“DOE” innamesinthissite doesnotimplyanyendorsementorrecommendationofanylistedproducts orservicesbytheUnitedStatesGovernment,LBNL,oranyoneelse. Follow thislinkstoreview abriefcomparisonofDOE-2.1E, DOE-2.2,eQUESTandPowerDOE.eQUEST isourmost up-to-datecompletebuildingenergyusesimulationtool;itisfreeandcontainsa completeversionDOE-2.2andits documentation. Note: Mostdocuments postedonthiswebsitearepublishedusingAdobe'sPortableDocument Format(PDF)withmostusingPDFversion1.5(createdusingAcrobat version9)andmaynotbereadablewithversionspriorto6;toupdate yourAcrobatReadergototheAdobesite forafreedownload. eQUEST®isa sophisticated,yeteasytouse,freewarebuilding energyuseanalysistoolthatprovidesprofessional-levelresultswith anaffordablelevelofeffort. eQUESTwasdesignedtoallow youtoperformdetailedcomparativeanalysisofbuildingdesignsand technologiesbyapplyingsophisticatedbuildingenergyusesimulation techniquesbutwithoutrequiringextensiveexperienceinthe"art"of buildingperformancemodeling. Thisisaccomplishedby combiningschematicanddesigndevelopmentbuildingcreationwizards, anenergyefficiencymeasure(EEM)wizardandagraphicalresults displaymodulewithacompleteup-to-dateDOE-2(version2.2)building energyusesimulationprogram. You canreadtheeQUEST Overviewtogetamorecompletesummaryofthefeaturesand capabilitiesofthisexcellentprogram.  eQUEST3.65 isthemostrecentrelease. For descriptions ofthe newfeaturesreadthis document. eQ_WthProc canconvertEnergyPlus(epw) filesintoeQUEST/DOE-2(bin)files,seeweatherdataareabelow. Youcanseemoreinformation abouteQUESTincludingdownloadofprogramanddocumentation. Youcanalsoview theeQUESTdownloadareatoseerecentversionsofthe program,documentationandupdates. Note: eQUESTisQualified Software for CalculatingCommercial BuildingTaxDeductionsfirstenactedundertheEnergyPolicy Actof2005 (EPACT),laterextendedbytheEmergencyEconomicStabilizationAct of2008andmostrecentlyextendedandmodifiedbythePATHActof2015. eQUEST 3.65isqualified,effective 19October2016,forbuildingsplacedintoserviceonoraftertoJanuary1,2016;eQUEST 3.63bisqualified,effective 9September2009,forbuildingsplacedintoservicepriortoJanuary1,2016.Therequirementsforsoftwaretobequalifiedforuseinthese deductionswere firstcoveredbyIRS Notice2006-52 andthenamplifiedbyIRS IRB2008-14andagainclarifiedbyIRS IRB2012-17withfurtherguidelines providedbyDOEandaddedDOEguidelinesforbuildingsplacedinservicein2016andlater.  Thesubmissionpackages, includingASHRAE Standard140testing,canbefoundhere. DOE-2isawidely usedandacceptedfreeware buildingenergyanalysisprogramthatcanpredicttheenergyuseand costforalltypesofbuildings.DOE-2usesadescriptionofthe buildinglayout,constructions, operatingschedules, conditioningsystems(lighting,HVAC,etc.)andutilityratesprovided bytheuser,alongwithweatherdata,toperformanhourlysimulation ofthebuildingandtoestimateutilitybills.The “plain”DOE-2programisa“CommandPrompt” programwhichrequires substantialexperiencetolearntouseeffectivelywhileoffering researchersandexpertssignificantflexibility; eQUESTisacompleteinteractiveWindowsimplementationoftheDOE-2 programwithaddedwizardsandgraphicdisplaystoaidintheuseof DOE-2. Youcan reviewmore informationaboutDOE-2includingdownloadofprogramanddocumentation. Wecurrentlyofferyou our“latestandgreatest”versionaswellas “legacy”version.DOE-2.2 isthenewestDOE-2buildingenergysimulationandcost calculationengine.DOE-2.2isthe“simulation engine”containedwithineQUEST;westrongly recommendyouconsidereQUESTbeforetryingtouse “plain”DOE-2.DOE-2.2canruninwindowsversionsfromXPto10.DOE-2.1Eisthe “legacy”versionofDOE-2. Note: DOE-2isQualified Software for CalculatingCommercial BuildingTaxDeductionsfirstenactedundertheEnergyPolicy Actof2005 (EPACT),laterextendedbytheEmergencyEconomicStabilizationAct of2008andmostrecentlyextendedandmodifiedbythePATHActof2015. DOE-2.2-48yisqualified,effective 19October2016,forbuildingsplacedintoserviceonoraftertoJanuary1,2016;DOE-2.2-047disqualified,effective 9September2009,forbuildingsplacedintoservicepriortoJanuary1,2016.Therequirementsforsoftwaretobequalifiedforuseinthese deductionswere firstcoveredbyIRS Notice2006-52 andthenamplifiedbyIRS IRB2008-14andagainclarifiedbyIRS IRB2012-17withfurtherguidelines providedbyDOEandaddedDOEguidelinesforbuildingsplacedinservicein2016andlater.  Thesubmissionpackages, includingASHRAE Standard140testing,canbefoundhere. TheWeatherData &Utilitiespageprovidesadescriptionofandaccess toweatherdataprocessingutilitieswhichprovidea variety ofpre-processedweatherdatacompatiblewitheQUEST,DOE-2.xand PowerDOE. TheavailableutilitiesincludeeQ_WthProc whichcanprocessEnergyPlus(epw) andDOEWthwhichcan processNOAA/NCDC(TRY,TMY,etc.)filesintoeQUEST/DOE-2 (bin)files. Utilities arealsoavailabletoprocesseQUEST/DOE-2(bin)files, includingthecapabilitytolist,convertto/fromtextformat,create statisticalsummaries,andotherfunctions. PowerDOEisnotavailableasithasbeendiscontinuedinfavorofeQUEST.PowerDOEis ourpreviousgeneration(1990's“legacy”) application; useeQUESTforthemostup-to-dateuserinterfaceandDOE-2simulation capabilities. PowerDOEincludedanearlierversionDOE-2.2as its simulation"engine"forallenergyandcostcalculations.  Note thatPowerDOEwasdesignedforpreviousgenerationsofWindowsandwill notoperateproperlywheninstalledinmorerecentversionssuchas Windows7. Forthisreason PowerDOE hasbeendiscontinued. The Life-CycleCosting(LCC)analysismethodisrecognizedtoreliably identifycostoptimalbuildingdesignsolutionsyetitisnotwidely usedwithconfidence. TheNationalInstituteofStandardsand Technology(NIST)andANSIhavesuggestedstandardizedLCCnomenclature andconventionssothattheentirebuildingsindustrycanspeakone "language"whenperformingLCCanalysis. NIST'sLCC proceduresareembodiedintheBuildingLife-CycleCost(BLCC)Program; theNISTBLCCprogramandrelatedutilitiescanbedownloadedhere. AlthoughtheLCCproceduresusedinBLCChavelongbeenpublished(NISTHandbook1351995Edition) someusersexpressconcernthatBLCCdoesnotdisplaytheintermediate detailsofitscalculations. Forthisreasonwehavedeveloped aspreadsheetversionofBLCCprocedures.Usersofourspreadsheet versionreportgreaterconfidencewithitsuser-friendly"glassbox" implementationofBLCC.OurBLCCspreadsheetincludesyear2015USDOE energypriceescalationratesandisavailableFREEinExcelOfficeXPformat(April 2016versionposted4/22/2016.)View adetaileddescriptionofthisspreadsheettool(sample screens,advantages,limitations)orasummary ofrecent(2015version)enhancements. Sendmail to [email protected] withquestionsorcommentsaboutthiswebsite. Copyright ©1998-2016JamesJ.Hirsch. Allrightsreserved. eQUESTis aregisteredtrademarkofJamesJ.Hirsch.  PowerDOEisaregisteredtrademarkoftheElectricPower Research Institute.