Designation:E2797−15StandardPracticeforBuildingEnergyPerformanceAssessmentforaBuildingInvolvedinaRealEstateTransaction1ThisstandardisissuedunderthefixeddesignationE2797;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Purpose—ThepurposeofthisstandardistodefineacommerciallyusefulpracticeintheUnitedStatesofAmericaforconductingabuildingenergyperformanceassessment(BEPA)onabuildinginvolvedinacommercialrealestatetransactionandsubsequentreportingofthebuildingenergyperformanceinformation.Thepracticeisintendedtoprovideamethodologytotheuserforthecollection,compilation,analysis,andreportingofbuildingenergyperformanceinfor-mationassociatedwithacommercialbuilding.ThepracticemaybeusedindependentlyorasavoluntarysupplementtoGuideE2018forpropertyconditionassessmentsorPracticeE1527forPhaseIenvironmentalsiteassessments.UtilizationofthispracticeandperformanceofaBEPAisvoluntary.Ifthepropertyowner(e.g.,theseller)isunwillingorunabletoprovidebuildingenergyuseandcostinformation,aBEPAcannotbeperformed.1.2BuildingEnergyPerformance—Thispracticedefinesbuildingenergyperformanceasthebuilding’stotalannualenergyuseandcostforheating,cooling,electricity,andotherrelateduses.Energyuse,forexample,includestotalelectricitypurchased;purchasedordeliveredsteam,hotwater,orchilledwater;naturalgas;fueloil;coal;propane;biomass;oranyothermatterconsumedasfuelandanyelectricitygeneratedonsitefromrenewable/alternativeenergysystems(forexample,windenergygeneratortechnology,fuelcells,microturbinesorsolarphotovoltaicsystems).1.3Objectives—Objectivesinthedevelopmentofthisprac-ticeareto:(1)defineacommerciallyusefulpracticeforcollecting,compiling,andanalyzingbuildingenergyperfor-manceinformationassociatedwithabuildinginvolvedinacommercialrealestatetransaction;(2)facilitateconsistencyinthecollection,com...
