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Geothermal heat pumps

Post created: 2012-06-12 Type of Equipment: Furnace Views: 204

On 2012-06-20 P Morin wrote:

Geothermal heat pumps are similar to ordinary heat pumps, but instead of using heat found in outside air, they rely on the stable, even heat of the earth to provide heating, air conditioning and, in most cases, hot water.

A few feet below the earth's surface, however, the ground remains at a relatively constant temperature. Although the temperatures vary according to latitude, at six feet underground, temperatures range from 45 degrees to 75 degrees Fahrenheit.

The principle behind geothermal heat pumps. In the winter, they move the heat from the earth into your house. In the summer, they pull the heat from your home and discharge it into the ground. (Source: http://www.consumerenergycenter.org/home/heating_cooling/geothermal.html)

Geothermal heat pumps are generally better for new construction, as there is a lot of digging needed and these systems typically use under floor piping.

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