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Economic Analysis of Ground Source Heat Pump
Interview with Xu Wei, Director of Air Conditioning Research Institute of China Academy of Building Research Price differences of ground source heat pump system mainly come from different regions of the system, energy conservation levels of building envelopment, project categories and functional differences. According to the actual engineering estimates, if the groundwater-based ground source heat pump system is used, the initial investment of the system is about 250-420 yuan / square meter, of which part of the cold and heat source investment about 150-220 yuan / square meter; such as ground source heat pump system , The initial investment is about 300-480 yuan / square meter, of which part of the investment in cold and heat sources is about 200-270 yuan / square meter. If compared with the conventional single heating mode, the investment in heating system of coal-fired boiler room is about 150-200 yuan / square meter, and the investment in heating system of gas-fired boiler room is about 100-150 yuan / square meter. The CHP central heating system provides heating and air conditioning Multi-function domestic hot water, while the traditional central heating for a single heating function, can not be completely analogy. Using ground source heat pump system as a building air conditioning system, its operating costs can be greatly reduced. Ground source heat pump system heating, according to different geographical, climate, resources, environment, operating costs than the traditional central air conditioning system can be reduced by 25% -50%. Ground source heat pump system static investment incremental recovery period of about 4-10 years. With the gradual popularization and application of ground source heat pump technology, government subsidies have been gradually perfected, the industrialization scale has been continuously increased, manufacturers and integrators have been gradually increased, market competition has been gradually intensified, and the initial investment of ground source heat pump systems has been further reduced. Source heat pump system costs should have 50-100 yuan / square meter price cuts