Geothermal technology (GSHP) 1,Environmentally-friendly; 2,Safe; 3,Highly-effective; 4,Eenergy saving. Ground source heat pump(GSHP) offers air conditioning system and indoor hot water supply system, using earth's surface shallow water (such as groundwater, rivers and lakes) and ground source in the absorption of solar energy and geothermal energy. Its widely used in villas, residential, hotels, ...