Systems that use ground or geothermal heat directly for heating, cooling or water, including geothermal heat pumps, direct exchange heat pumps, thermal energy networks and geothermal desalination. A technology belongs here when its cited article describes such a system. These systems use moderate ground or underground heat directly, without raising steam, to warm or cool buildings, run district loops or distill water. A system is placed here by the direct-use or heat pump role the cited article describes.
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Geothermal Heat Pumps and Direct Use
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Wikipedia: Ground source heat pump
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A ground source heat pump (also geothermal heat pump) is a heating/cooling system for buildings that use a heat pump to transfer heat to or from the ground, taking advantage of the relative constancy of temperatures of the earth through the seasons.
Wikipedia: Direct exchange geothermal heat pump
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A direct exchange (DX) geothermal heat pump is a type of ground source heat pump in which refrigerant circulates through copper tubing placed in the ground unlike other ground source heat pumps where refrigerant is restricted to the heat pump itself with a secondary loop in the ground filled with a mixture of water and anti-freeze.
Wikipedia: Thermal energy network
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A thermal energy network (TEN) is a type of district heating and cooling system in which a shared water loop exchanges heat with the ground, often through shallow geothermal boreholes, with connections to multiple buildings which utilize heat pumps for heating, cooling, and potentially water heating.
Wikipedia: Geothermal desalination
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Geothermal desalination refers to the process of using geothermal energy to power the process of converting salt water to fresh water.
Wikipedia: Geothermal heating
WikipediaHas Member: Geothermal Heating, LeadQuote, Has Member: Geothermal Heating, Lead
Geothermal heating is the direct use of geothermal energy for some heating applications.
Downhole heat exchanger, Wikipedia
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A downhole heat exchanger (DHE), also called a borehole heat exchanger (BHE), is a heat exchanger installed inside a vertical or inclined borehole.
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