| Certification |
CE |
| Place of Origin |
Zhejiang China (Mainland) |
| Brand Name |
FREE-ENERGY |
| Model Number |
FREE-CP300L |
| Installation |
Freestanding |
| Housing Material |
Stainless Steel |
Air-sourceheatpumps Workingprinciple: Airsourceheatpumpsarerelativelyeasy(andinexpensive)toinstallandhavethereforehistorically beenthemostwidelyusedheatpumptype.However,theysufferlimitationsduetotheiruseofthe outsideairasaheatsourceorsink.Thehighertemperaturedifferentialduringperiodsofextremecold orheatleadstodecliningefficiency,asexplainedabove.Inmildweather,COPmaybearound4.0, whileattemperaturesbelowaround−8C(17F)anairsourceheatpumpcanachieveaCOPof2.5orbetter,whichisconsiderablymorethantheCOPthatmaybeachievedbyconventionalheatingsystems.TheaverageCOPoverseasonalvariationistypically2.5-2.8,[9]withexceptionalmodelsabletoexceed6.0(2.8kW).