Air Source Heat Pumps, Electric Boiler, Electric Heater manufacturer / supplier in China, offering 18000BTU Cooling Only Portable Domestic Air Conditioner with Silent Operation, 24-Hour Timer, 18000BTU Portable Air Conditioner Cools Energy Efficient AC Unit for Large Room, Office, Home, Hotel, Room Yang Guang Carton 3 in 1 Air Conditioning for Home, Hotel, Office with CCC and so on.