Geothermal heat pump

Geothermal heat pump

A type of heat pump that uses the ground, ground water, or ponds as a heat source and heat sink, rather than outside air. Ground or water temperatures are more constant and are warmer in winter and cooler in summer than air temperatures. Geothermal heat pumps operate more efficiently than "conventional" or "air source" heat pumps.

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Part of Speech: noun
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Industry/Domain: Energy
Category: Energy efficiency
Company: U.S. DOE
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Related terms

geothermal heat pump systems

Energy; Geothermal

A geothermal system that uses the earth’s ability to store heat at a relatively constant temperature as a source for heating and cooling. When cooling, heat is extracted from the ...

geothermal heat pumps

Energy; Geothermal

Devices that take advantage of the relatively constant temperature of the Earth's interior, using it as a source and sink of heat for both heating and cooling. When cooling, heat ...

geothermal heat pump

Energy; Energy efficiency

A type of heat pump that uses the ground, ground water, or ponds as a heat source and heat sink, rather than outside air. Ground or water temperatures are more constant and are ...

geothermal heat pump system

Energy; Geothermal

Also called ground-source heat pump, a geothermal heat pump heats or cools an indoor environment by extracting natural heat from the ground, rock or water or transferring heat to ...

geothermal heat pump

Construction; Green building

A pump that uses the constant temperature of the earth, instead of outside air, in order to heat a building's air or water supply.

closed-loop geothermal heat pump systems

Energy; Energy efficiency

Closed-loop (also known as "indirect") systems circulate a solution of water and antifreeze through a series of sealed loops of piping. Once the heat has been transferred into or ...

conduction

Energy; Energy efficiency

The movement of heat, electricity, or sound through a solid. An electric current travels from a wall socket, through a wire, and into a lamp by conduction.

energy efficiency ratio (EER)

Energy; Energy efficiency

The ratio of cooling capacity of an air conditioning unit in Btus per hour to the total electrical input in watts under specified test conditions.

Environmental Protection Agency (EPA)

Energy; Energy efficiency

A federal agency charged with protecting the environment.

Energy Policy Act

Energy; Energy efficiency

The Energy Policy Act of 1992 addresses a wide variety of energy issues. The legislation creates a new class of power generators, exempt wholesale generators (EWGs), that are ...

efficiency service company (ESCO)

Energy; Energy efficiency

A company that offers to reduce a client's electricity consumption with the cost savings being split with the client.

electric vehicle (EV)

Energy; Energy efficiency

A vehicle powered by electricity, usually provided by batteries but may also be provided by photovoltaic (solar) cells or a fuel cell.

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