... SAA,C-TK Swimming pool heat pump More safe and durable:Adopting advanced titanium heat exchanger to resist the erosion from ... American Copeland Compressor and advanced S&C high efficiency heat exchanger makes the units COP reach as high as 4 ... , restaurant, school, sauna center, barbershop, swimming pool, heat room, laundry, industrial using water etc. Swimming pool wind-cooled air source heating ...