... friendly,energy saving,world famous compressor Ground Source Heat Pump, geothermal heat pump, water source heat pump 150kw-4547kw Refrigerant R407C,R22,R134A,enviremental ... friendly,energy saving,world famous compressor Ground Source Heat Pump, geothermal heat pump, water source heat pumpRefrigerant R407c,R22, R134ACooling capacity: 150kw-3580kwHeating capacity ...