Specifications

  
A CCeSSorieS
gas furnace systeMs
Facts
• Usingelectricityasitsenergysource,heatpumpsareusedforeithertheheatingorcoolingofyourhomebytransferringheat
betweentworeservoirs.
• In the warmer months, the heat pump acts like an air conditioner, removing heat from the air inside your home and
transferringitoutside.
• Duringcoldermonths,heatfromtheoutdoorairisextractedandtransferredtotheinteriorofyourhome.Believeitornot,
evena32°Fahrenheitdayproducesenoughheattowarmahomewhenusingaheatpump.
Benets
• Year-round, energy-efcient indoor comfort for moderate climates — Acentralheatpumphelpsmaintaincomfortabletemperaturesinside
yourhomeandreduceshumiditylevelsyear-round.Homeslocatedinregionswithseverelycoldtemperaturesmayeither
requiresupplementalheatingorbebetterservedwithanairconditioner/furnacecombination.
• Cleaner air —Asyourheatpumpsystemdrawsairoutofvariousroomsinthehousethroughreturnairducts,theairispulled
throughanairlter,whichremovesairborneparticlessuchasdustandlint.Sophisticatedltersmayremovemicroscopic
pollutants,aswell.The lteredairis thenroutedto air-supplyductworkthatcarries itbacktorooms.Whenever theair
conditionerisrunning,thiscyclerepeatscontinually,constantlylteringandcleaningtheairinyourhome.
• Quieter operation —Becausethecompressor-bearingunitofthetypicalcentralheatpumpsystemislocatedoutsidethehome,the
indoornoiselevelfromitsoperationismuchlowerthanthatofafree-standingairconditioningunit.
Facts
• Afurnaceworkstokeepahomewarminthewinterandplaysacriticalpartintheoperationofanairconditioningsystem.
• Furnacesproduceheatthroughthecombustionofnaturalgasinthefurnace'sburner.Theheatproducedfromthisprocessthen
passesthroughaheatexchanger.Airfromyourhome'sreturnairductsisblownovertheheatexchanger,thuswarmingtheair.
• Thefurnace'sblowerthenblowsthewarmedairintotheductwork,whichcarriesanddispersesthewarmedairthroughout
thehome.
• Duringwarmermonths,theblowerinsideafurnacecontinuestocirculatereturnairthroughoutthehome–onlythistime,
thereturnairhasbeencooledbybeingblownovertheindoorcoilportionofthehome'ssplit-systemairconditioningsystem.
Thecondensingcoilistypicallyinstalledontopofthefurnace.
Benets
• Indoorwarmthanytimeitisrequired.
• Energy efciency — TheefciencyofafurnacecanbedeterminedbyitsAFUE–orAnnualFuelUtilizationEfciency.Themini-
mumefciency levelforfurnacescurrentlymanufacturedintheU.S.is80%AFUE.Aratingof“80%AFUE”meansthatfor
everydollaryouspendheatingyourhome;80centsareactuallyappliedtothegenerationofwarmth.Comparedtomany
ofthe60%AFUEfurnacesinolderhomes,80%AFUEfurnacesareasignicantimprovement.However,forenhancedenergy
efciency,youmaywishtoconsidera95+%AFUEfurnace,suchastheAmanabrand’slineof96%AFUEFurnaces.
• Cleaner air — As your HVAC system drawsair out of various rooms inthe house through returnair ducts, the air is pulled
throughanairlter,whichremovesairborneparticlessuchasdustandlint.Sophisticatedltersmayremovemicroscopic
pollutants,aswell.Thelteredairisthenroutedtoair-supplyductworkthatcarriesitbacktorooms.WhenevertheHVAC
systemisrunning,thiscyclerepeatscontinually,constantlylteringandcleaningtheairinyourhome.
Thiscleaningprocessimproveswiththeinstallationofa variable-speedfurnace. Thesefurnacesusevariable-speedblowers,
whichshiftbetweenseveralspeeds.Variable-speedfurnaceswillrunlongeratalowspeed,whichcausesthemtoltertheindoor
airmorefrequently.
And remember,becausethefurnaceplaysanimportantroleintheoperationoftheairconditioner,itsvariable-speedblower
helpsmaintainbothaconsistentindoortemperatureandimprovedairqualityyear-round.
central Heat PuMP systeMs