1.Works at low temprature 2.TUV certified efficiency 3.Adopts world famous parts 4.Internet control system Air Source heat pumpProducts efficiency Certified by TUV, Factory audited by Bureau Veritas.Model: AW131.Power supply: 380-415V/3/50Hz2.Heating capacity: 13KW3.Adopt: Hitachi scroll compressor4.Adopt: Siemens controller5.Emerson expansion valve and dry filter6.Schneider electronic parts7. ...