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  2. 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]

  3. Ground source heat pump - Wikipedia

    en.wikipedia.org/wiki/Ground_source_heat_pump

    A heat pump is the central unit for the building's heating and cooling. It usually comes in two main variants: Liquid-to-water heat pumps (also called water-to-water) are hydronic systems that carry heating or cooling through the building through pipes to conventional radiators, underfloor heating, baseboard radiators and hot water tanks. These ...

  4. Direct exchange geothermal heat pump - Wikipedia

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

    The copper pipes are placed in the ground and form a ground loop – sometimes also referred to as earth loop or refrigerant loop – where the circulating refrigerant undergoes phase transition by exchanging heat with the ground: in heating mode it absorbs heat and changes from liquid to gas (evaporation), while in cooling mode it gives heat ...

  5. Is geothermal right for your home or business? Here’s what to ...

    www.aol.com/geothermal-home-business-know...

    “Even though the installation price of a geothermal system can be several times that of an air-source system of the same heating and cooling capacity, the additional costs may be returned in ...

  6. Geothermal energy will heat and cool this Cudahy home. Find ...

    www.aol.com/geothermal-energy-heat-cool-cudahy...

    Workers from G. O. Loop of Fox Lake install a horizontal loop field about 8 feet below the surface for a geothermal heating and cooling system for a new Cudahy ranch-style home.

  7. Closed-loop geothermal - Wikipedia

    en.wikipedia.org/wiki/Closed-loop_geothermal

    Closed-loop geothermal systems (also known as “advanced geothermal systems” or “AGS”) are a type of engineered geothermal energy system containing subsurface working fluid that is heated in a hot rock reservoir without direct contact with rock pores and fractures.: [1] [2] [3] Instead, the subsurface working fluid stays inside a closed loop of deeply buried pipes that conduct Earth’s ...

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