... all in one system 2.COP 5.4 3.Dc inverter 4.EEV&PHE use 5.Flexible,floor,radiators,coil,water ... → Comparable installation costs to gas fired boilers → Flexible, can be connected to underfloor heating,low temperature radiators or fan coils → Compresser ... unit Heat Pump All In One ( 5KW, Air +solar DC inverter heat pump )