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Danfoss heat pumps bring benefits to Woodfield Community House's tenants
(05/08/2011)

Heat pumps are effective both in summer and winter, day and night because the ground temperature remains constant at only a few feet below the surface. The heat pump works by circulating a refrigerant fluid around a circuit containing four elements: evaporator heat exchanger, compressor, condenser and expansion valve. Heat absorbed from the ground is transferred to the liquid refrigerant which evaporates to form a gas. This gas is then compressed... [more]

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