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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

   According to the US Environmental Protection Agency, geo-exchange systems save homeowners 30–70 percent in heating costs, and 20–50 percent in cooling costs, compared to conventional systems. [29] Geo-exchange systems also save money because they require much less maintenance. In addition to being highly reliable they are built to last for ...

4. Renewable thermal energy - Wikipedia

   en.wikipedia.org/wiki/Renewable_thermal_energy

   Renewable thermal energy is the technology of gathering thermal energy from a renewable energy source for immediate use or for storage in a thermal battery for later use.. The most popular form of renewable thermal energy is the sun and the solar energy is harvested by solar collectors to heat water, buildings, pools and various processes.

5. 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.

6. Dandelion Energy - Wikipedia

   en.wikipedia.org/wiki/Dandelion_Energy

   Dandelion is an American geothermal heating supplier in the Northeast United States. [1] Prior to 2017, the company was part of Google X, before turning into an independent company. [2] Dandelion targets providing geothermal heating and cooling (HVAC). The system consists of a heat pump that pipes energy to or from a house. [3]

7. 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.