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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. Ground-coupled heat exchanger - Wikipedia

   en.wikipedia.org/wiki/Ground-coupled_heat_exchanger

   Earth-air heat exchangers appear best suited for air pretreatment rather than for full heating or cooling. Pretreatment of air for an air source heat pump or ground-source heat pump often provides the best economic return on investment, with simple payback often achieved within one year after installation.

4. 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.

5. Geothermal heating - Wikipedia

   en.wikipedia.org/wiki/Geothermal_heating

   Like a refrigerator or air conditioner, these systems use a heat pump to force the transfer of heat from the ground to the building. Heat can be extracted from any source, no matter how cold, but a warmer source allows higher efficiency. A ground-source heat pump uses the shallow ground or ground water (typically starting at 10–12 °C or 50 ...

6. Closed-loop geothermal - Wikipedia

   en.wikipedia.org/wiki/Closed-loop_geothermal

   Application: Ground source heat pumps are most often used for small-scale residential and commercial buildings, and are only used for heating and cooling applications. [19] Closed-loop geothermal systems are most suitable for large-scale commercial and industrial use, and can be used for electricity production, in addition to 'direct use ...

7. What heat pumps mean for your home – and your wallet - AOL

   www.aol.com/heat-pumps-mean-home-wallet...

   The Government grant will provide £5,000 for an air source heat pump and £6,000 for a ground source heat pump, for homes in England and Wales that are sufficiently insulated.