Product Name: Comfort Series Central Air Conditioner Model NO.: MG-12KFRS/KFR-70LW 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: Low-temperature Heat Pump Heat Temperature: 50-70