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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. Geothermal heating - Wikipedia

   en.wikipedia.org/wiki/Geothermal_heating

   A deep geothermal well was used to heat greenhouses in Boise in 1926, and geysers were used to heat greenhouses in Iceland and Tuscany at about the same time. [21] Charlie Lieb developed the first downhole heat exchanger in 1930 to heat his house.

4. 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 ...

5. No AC but the ‘greenest’ ever Games? Inside Paris’ landmark ...

   www.aol.com/no-ac-greenest-ever-games-080042764.html

   The most scrutinized innovation will likely be the geothermal cooling system, ... (39 degrees Fahrenheit) from wells as deep as 70 meters (230 feet) underground at a nearby geothermal plant and ...

6. Here's how geothermal energy heats and cools a home

   www.aol.com/news/heres-geothermal-energy-heats...

   Geothermal takes advantage of that constant temperature by pushing water with some antifreeze through a loop of flexible pipe that runs deep underground. The water gets circulated by a heat pump ...

7. Glossary of geothermal heating and cooling - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_geothermal...

   The Glossary of Geothermal Heating and Cooling provides definitions of many terms used within the Geothermal heat pump industry. ... (1.3 to 3 m) deep, inserted into ...