The ground source heat pump unit will collect the low temperature objects for heating and can also achieve cooling effect on high temperature. It is currently a very environmentally friendly way of cooling and heating. Using ground source heat pumps for cooling and heating according to the surrounding environment of buildings is the least investment method. The expansion valve, compressor, evaporator, and condenser are the main components of the ground source heat pump device, which exchanges heat through the thermal cycle system. When there are large and deep rivers or lakes near the building, the water ring heat pump does not require trenching or drilling. The stable water temperature and good heat dissipation of rivers and lakes can be directly utilized, significantly reducing the initial investment; Ground source heat pumps can be divided into horizontal and vertical types. Horizontal type involves placing a closed heat exchange system about 3 meters below the surface to exchange heat with the soil; Vertical type requires deep vertical drilling and embedding of the heat exchange system, suitable for larger buildings; There is also the groundwater type ground source heat pump, where the closed loop system of the ground source heat pump passes through the heat exchanger and the deep groundwater extracted by the pump for heat exchange. This is suitable for small building clusters and single buildings with limited surrounding areas. The energy required for the operation of the ground source heat pump comes from electricity, transferring the energy in the environment to water and soil for cooling, or transferring the energy in water and soil to the environment, producing more than 3~4 times the energy with minimal energy consumption.
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