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  2. Ground source heat pump - Wikipedia

    en.wikipedia.org/wiki/Ground_source_heat_pump

    A heat pump in combination with heat and cold storage. A ground source heat pump (also geothermal heat pump) is a heating/cooling system for buildings that use a type of heat pump to transfer heat to or from the ground, taking advantage of the relative constancy of temperatures of the earth through the seasons.

  3. Direct exchange geothermal heat pump - Wikipedia

    en.wikipedia.org/wiki/Direct_exchange_geothermal...

    DX system being drilled in the 1980s. 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.

  4. Larry Kaelin, who's been in the geothermal installation business for 30 years and owns the local company Geothermal by Design, said the key consideration for a single-family home installation is time.

  5. Geothermal heating - Wikipedia

    en.wikipedia.org/wiki/Geothermal_heating

    That heat can be extracted with a geothermal heat pump more efficiently than it can be generated by conventional furnaces. [10] Geothermal heat pumps are economically viable essentially anywhere in the world. In theory, geothermal energy (usually cooling) can also be extracted from existing infrastructure, such as municipal water pipes. [14]

  6. Downhole heat exchanger - Wikipedia

    en.wikipedia.org/wiki/Downhole_heat_exchanger

    A downhole heat exchanger, (DHE) also called a borehole heat exchanger, (BHE) is a heat exchanger installed inside a vertical or inclined borehole. [1] It is used to capture or dissipate heat to or from the ground. DHT's are used for geothermal heating, sometimes with the help of a geothermal heat pump.

  7. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    An air source heat pump can be used to air condition the building during hot weather, and to warm the building using heat extracted from outdoor air in cold weather. Air-source heat pumps are generally uneconomic for outdoor temperatures much below freezing. In colder climates, geothermal heat pumps can be used to extract heat from the ground ...

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