Swimming Pool Heat Pump 1.Titanium heat exchanger 2.Refrigerant:R407c & R410a 3.Reliable system, 4.CE.CB, SAA,C-TK Swimming pool heat pump More ... etc.High energy saving efficiency: operation cost is 1/5 of that of electricity heater, 1/6 of gas heater, 2/3 of ... exchanger makes the units COP reach as high as 4.5.Extensive application:it is suitable for hotel, hospital, factory, restaurant ...