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Language is a very versatile thing; and the meaning of words is a social convention, nothing more. So if two people agree in their conversation to call a ground-source heat pump geothermal, then it is, for them. However, from what I've seen, it is more commonly the case that people call it geothermal as a mistake. Ground-source heat pumps are indeed solar ...


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A ground-source heat pump is not a form of geothermal energy at all. Geothermal: energy source is underground natural nuclear reactions; source temperature is over 50°C; Energy is extracted with passive heat exchangers. Ground-source heat pumps: energy source is solar radiation; source temperature is about the same as annual average air temperature; ...


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Yes, it is geothermal energy. From Wikipedia: Geothermal energy is thermal energy generated and stored in the Earth. The entire point of in-ground heatpumps is to treat the ground as a large heatsink that's unaffected by weather, seasons, and the day-night cycle. These systems use pipes buried below the depth where the ground ever freezes, just like utility ...


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