HVAC EXAM QUESTIONS WITH
CORRECT ANSWERS 2025
SealingBupBevenBsmallBopeningsBinBaBbuildingBconservesBenergyBbecause...B-BCORRECTBANSWERB-
itBstopsBtheBinfiltrationBofBoutsideBairBorBex-
filtrationBofBcomfortableBconditionedBinsideBairBbyBwayBofBconvectionBcurrents
HeatBisBeasilyBtransferredBthroughBwindowsBandBchimneysBandBnotBeasilyBthroughBinsulationB-
BCORRECTBANSWERB-True
WhichBofBtheBfollowingBitemsBwouldBnotBbeBaBpartBofBaBgasBfurnaceBforcedBairBperimeterBheatingBsystem?B
-BCORRECTBANSWERB-Boiler
InBaBforcedBairBheatingBsystem,Ba(n)...BisBaBsystemBofBductsBthatBbringsBcoldBairBbackBtoBtheBfurnaceBfromBva
riousBroomsBofBtheBbuildingB-BCORRECTBANSWERB-AirBreturn
SelectBallBtheBtypesBofBmaterialBthatBareBsatisfactoryBforBductBworkBinBaBwarmBairBperimeterBsystemB-
BCORRECTBANSWERB-SheetBMetal
VitrifiedBtileB
concreteBpipe
plasticBpipe
ABmanifold,BfoundBinBmanyBhydronicBheatingBsystems,BisBusedBonlyBif...B-BCORRECTBANSWERB-
theBbuildingBhasBzonedBheating
InBanBairBcoolingBsystem,BthereBareBtwoBcoilsBthroughBwhichBrefrigerantBisBcirculated.BOne,BcalledBaB___(1)
___B,BabsorbsBheatBfromBtheBwarmBairBpassingBoverBit.BTheBheatedBrefrigerantBisBthenBpumpedBthroughBan
otherBcoilBcalledBaB___(2)___,BwhereBtheBrefrigerantBpassesBitsBcollectedBheatBtoBtheBatmosphere.B-
BCORRECTBANSWERB-1.Bevaporator
2.Bcondenser
TestingBhasBshownBthatBinBaBmodernBhome,BindoorBairBshouldBbeBexchangedBwithBfreshBoutdoorBair...B-
BCORRECTBANSWERB-everyBtwoBtoBthreeBhours
, ABvoluntaryBlabelingBprogramBcalledB______BStarBofferedBmarketingBadvantagesBtoBmanufacturersBwhileBa
lertingBconsumersBtoBwhatBproductsBcouldBsaveBthemBmoneyBinBoperatingBcosts.B-BCORRECTBANSWERB-
Energy
(BAH)BTheBauthorBrecommendsBthatByouBdoBwhichBofBtheBfollowing.B-BCORRECTBANSWERB-
EngageByourBHVACBsubcontractorBearlyBinBtheBdesignBprocess.B
MakeBsureByourBdesignBincludesBaBcentralBspotBforBtheBair-handlingBequipment
MakeBsureBthereBisBplentyBofBroomBtoBrunBducts.
EvenBtheBbestBwindowsBcreateBconductionBlossesBmoreBthanB____BtimesBhigherBthanBwalls.B-
BCORRECTBANSWERB-10
TheB_____BfurnaceBcostsBmore,BbutByouBcanBuseBoneBoverBaBcrawlBspaceBorBwhereBductsBrunBunderBtheBsla
b.B-BCORRECTBANSWERB-down-flow
SelectsBtheBstatementsBthatBareBtrueBaboutBaBhorizontalBfurnace.B-BCORRECTBANSWERB-
UsedBprimarilyBforBatticBandBcrawlBspaceBapplications
ABlargerBandBmoreBefficientBunitBisBrequiredBtoBoffsetBenergyBlossesBthatBcomeBwithBplacingByourBfurnaceBi
nBanBunconditionedBspace.
Today,BmostBresidentialBcoolingBisBsuppliedBbyBaB"_________"BwhichBconsistsBofBanBoutdoorBcondensingBc
oilBandBcompressorBconnectedBtoBanBindoorBevaporativeBcoilBwithBrefrigerantBtubing.B-
BCORRECTBANSWERB-splitBsystem
AlthoughBheatBpumpsBcostBaBfewBhundredBdollarsBmoreBthanBaBstandardBairBconditioner,BtheyBcanBsaveBm
oneyBwhenBusedBinB______Bclimates.B-BCORRECTBANSWERB-temperate
WhichBofBtheBfollowingBisB(are)BincludedBinBaBpackageBunit?B-BCORRECTBANSWERB-Compressor
BlowerB
Coils
Heater
CORRECT ANSWERS 2025
SealingBupBevenBsmallBopeningsBinBaBbuildingBconservesBenergyBbecause...B-BCORRECTBANSWERB-
itBstopsBtheBinfiltrationBofBoutsideBairBorBex-
filtrationBofBcomfortableBconditionedBinsideBairBbyBwayBofBconvectionBcurrents
HeatBisBeasilyBtransferredBthroughBwindowsBandBchimneysBandBnotBeasilyBthroughBinsulationB-
BCORRECTBANSWERB-True
WhichBofBtheBfollowingBitemsBwouldBnotBbeBaBpartBofBaBgasBfurnaceBforcedBairBperimeterBheatingBsystem?B
-BCORRECTBANSWERB-Boiler
InBaBforcedBairBheatingBsystem,Ba(n)...BisBaBsystemBofBductsBthatBbringsBcoldBairBbackBtoBtheBfurnaceBfromBva
riousBroomsBofBtheBbuildingB-BCORRECTBANSWERB-AirBreturn
SelectBallBtheBtypesBofBmaterialBthatBareBsatisfactoryBforBductBworkBinBaBwarmBairBperimeterBsystemB-
BCORRECTBANSWERB-SheetBMetal
VitrifiedBtileB
concreteBpipe
plasticBpipe
ABmanifold,BfoundBinBmanyBhydronicBheatingBsystems,BisBusedBonlyBif...B-BCORRECTBANSWERB-
theBbuildingBhasBzonedBheating
InBanBairBcoolingBsystem,BthereBareBtwoBcoilsBthroughBwhichBrefrigerantBisBcirculated.BOne,BcalledBaB___(1)
___B,BabsorbsBheatBfromBtheBwarmBairBpassingBoverBit.BTheBheatedBrefrigerantBisBthenBpumpedBthroughBan
otherBcoilBcalledBaB___(2)___,BwhereBtheBrefrigerantBpassesBitsBcollectedBheatBtoBtheBatmosphere.B-
BCORRECTBANSWERB-1.Bevaporator
2.Bcondenser
TestingBhasBshownBthatBinBaBmodernBhome,BindoorBairBshouldBbeBexchangedBwithBfreshBoutdoorBair...B-
BCORRECTBANSWERB-everyBtwoBtoBthreeBhours
, ABvoluntaryBlabelingBprogramBcalledB______BStarBofferedBmarketingBadvantagesBtoBmanufacturersBwhileBa
lertingBconsumersBtoBwhatBproductsBcouldBsaveBthemBmoneyBinBoperatingBcosts.B-BCORRECTBANSWERB-
Energy
(BAH)BTheBauthorBrecommendsBthatByouBdoBwhichBofBtheBfollowing.B-BCORRECTBANSWERB-
EngageByourBHVACBsubcontractorBearlyBinBtheBdesignBprocess.B
MakeBsureByourBdesignBincludesBaBcentralBspotBforBtheBair-handlingBequipment
MakeBsureBthereBisBplentyBofBroomBtoBrunBducts.
EvenBtheBbestBwindowsBcreateBconductionBlossesBmoreBthanB____BtimesBhigherBthanBwalls.B-
BCORRECTBANSWERB-10
TheB_____BfurnaceBcostsBmore,BbutByouBcanBuseBoneBoverBaBcrawlBspaceBorBwhereBductsBrunBunderBtheBsla
b.B-BCORRECTBANSWERB-down-flow
SelectsBtheBstatementsBthatBareBtrueBaboutBaBhorizontalBfurnace.B-BCORRECTBANSWERB-
UsedBprimarilyBforBatticBandBcrawlBspaceBapplications
ABlargerBandBmoreBefficientBunitBisBrequiredBtoBoffsetBenergyBlossesBthatBcomeBwithBplacingByourBfurnaceBi
nBanBunconditionedBspace.
Today,BmostBresidentialBcoolingBisBsuppliedBbyBaB"_________"BwhichBconsistsBofBanBoutdoorBcondensingBc
oilBandBcompressorBconnectedBtoBanBindoorBevaporativeBcoilBwithBrefrigerantBtubing.B-
BCORRECTBANSWERB-splitBsystem
AlthoughBheatBpumpsBcostBaBfewBhundredBdollarsBmoreBthanBaBstandardBairBconditioner,BtheyBcanBsaveBm
oneyBwhenBusedBinB______Bclimates.B-BCORRECTBANSWERB-temperate
WhichBofBtheBfollowingBisB(are)BincludedBinBaBpackageBunit?B-BCORRECTBANSWERB-Compressor
BlowerB
Coils
Heater