geoexchange system, definition of

GeoExchange System

A geoexchange system is an electrically powered heating and cooling system for interior spaces. This system utilizes the earth (or a pond or lake) is both a heat source and a heat sink. Components of the system include a heat pump, a hydronic pump, a ground heat exchanger and a distribution subsystem. Most geoexchange systems utilize air ducting for the distribution system and polyethylene piping in the earth for the heat exchanger.

Related Tags: heating, energy efficiency

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