... :R407c & R410a 3.Reliable system, 4.CE.CB, SAA,C-TK Swimming pool heat pump More safe and durable:Adopting advanced ... Adopting American Copeland Compressor and advanced S&C high efficiency heat exchanger makes the units COP reach as high as 4 ... , hospital, factory, restaurant, school, sauna center, barbershop, swimming pool, heat room, laundry, industrial using water etc. Swimming pool wind-cooled ...