1.Geothermal heat pump 2.Easy installation and maintenence 3.High efficiency 4.Low noise level We are 'Detail Oriented, Focus on Quality, Never Cut Corners'.We are a professional heat exchanger, condenser, evaporator, heat pump,air cooler and air conditioner manufacturer in China, which has more than 15 years experience in HVAC area. Our products have been exported to Europe,USA, Japan and Middle ...