... of heat pump,included1.air to air heat pump,(cassette air conditioner,ceiling floor air conditioner),VRV system2.air to water heat pump(60-70 degree hot water heat pump,T-SHIRTlow noise heat pump,DC inverter heat pump ... (ceiling floor,cassette,duct,high wall split)ETC.1. International famous brand compressor 2. Plate type heat exchanger 3. CE,ROHS;SATISFY WITH ...