Air source heat pump 1.High COP,EER,75%Energy-saving 2.low nosie,safety,easy installation 3.10 years'experience Air source heat pump MODELUnitMD50DRated heating capacityKW18Hot water supplyL/h400Average heating input powerKW4.4Rated heating input currentA 9Max outlet water tempC60COP 4.2PowerV/Hz380V/50NoiseDb(a)55DimensionW*D*Hmm1120*490*1270Packing sizeW*D*Hmm1200*520*1350Unit ...