... air to water 1.ODM/OEM available 2.Compressor:Copeland 3. Durable usa:15 years 4.Safe,energy-saving, Swimming pool heat pump air to ... room, because of the mini-computer intelligent controlling and LCD display controller5) Safety: water and electricity are insulated ... from running in bad running circumstances, such as water temperature, compressor exhaust pressure, compressor temperature, evaporator ...