The direct use of underground well water source heat pump system: its greatest advantage is very economical, small footprint, but we must pay attention to the following conditions must be met: good water quality; rich water; meet the standards.
Ground-source heat pump system buried underground: For vertical buried pipe system, its advantages are: smaller land occupation, pipe and pump less power, the disadvantage is the higher drilling costs; for horizontal buried pipe system, its Advantages are: installation costs lower than the vertical buried pipe system, widely used, the user easy to grasp, the disadvantages are: large area, affected by the ground temperature, the pump power consumption.
Surface water heat pump: its advantages are: at 10 meters or deeper in the lake, providing 10 ℃ direct cooling, investment than underground buried pipe system is small, low energy consumption of pumps, high reliability, low maintenance requirements, low Operating costs, in warm areas, the lake can be used as a heat source, the disadvantages are: In shallow lakes, the coil is easily damaged, due to larger water temperature changes, will reduce the unit's efficiency.
Boiler / cooling tower and underground buried pipe combination of hybrid ground source heat pump system: suitable for small space, can not be used alone underground heat exchange system building, cooling tower and closed-loop system combined with refrigeration, saving costs; proved The system is efficient and low cost.
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