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University of Wyoming Extension

 

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	Heating and Cooling with Renewable Energy: An Introduction to Geothermal Heat Pumps
	Publication #: MP-125 Date Published: 05/01/2011 Publication Author(s): Milton Geiger Tina Russel

Description:
Also known as a ground-source pump, geo-exchange system, or simply an earth energy system, geothermal heat pumps (GHPs) are a central heating and/or air conditioning system that principally utilizes solar energy stored in the ground. Geothermal systems use the ground as either a source of heat in the winter or as a cooling agent in the summer. Like a cave, the subsurface ground temperatures stay warmer than the air in the winter and cooler than the air in the summer. GHP technology harnesses this readily available natural resource and uses it to heat and cool buildings. GHPs do not create heat; instead, they merely transfer energy from one place to another by pumping heat to or from the ground.

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