Product Name: Central Air Conditioner Energy Solar High Quality Low Noise Model NO.: MG-20KFRS/KFR-120LW Certification: CE, ISO9001, CCC, CB, UL, RoHS, SASO, CSA Application: Villa Family, Sauna and Swimming Pool, Hotels, Factory Hospital, Student Apartments, Beauty Salons Heating Type: Circulating Heat Heat Source: Air-source + Water-source Work Environment: Common Heat Pump Heat Temperature: 50-70