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How efficient is a ground source heat pump system?

April 26, 2017ground heat pump source system

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How efficient is a ground source heat pump system?

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A. Ground source heat pumps are very efficient. For every kilowatt of electricity they use they can produce about 4 kilowatts of heat energy. However this is very dependent on the insulation of the building the heat pump is in, and also assuming that the right sized heat pump has been installed. If the insulation is poor the efficiency can drop significantly.