How does a geothermal heat pump work?

 

A geothermal HVAC system is a heat pump which uses water circulating through underground pipes to exchange heat with the ground. This exchange of heat is used for both heating and air conditioning the home. The efficiency of a geothermal system is greater due to the fact that the ground temperature is a constant 56 degrees and heat exchange with water is more efficient than with air. 

A standard heat pump system relies on the heat exchange of the ambient outside air to heat and cool the home.

 

A geothermal HVAC unit uses the consistent underground temperature of the earth, instead. It is both more cost effective and more comfortable inside the home as the air flow is steady and constant. In addition to heating and cooling the air in the home, the system also provides energy for hot water. Homes equipped with geothermal HVAC systems enjoy between 50-70% in energy savings. The climate and soil conditions in the Tri-Cities allow for the best possible utilization of this technology. 

The longevity, low maintenance, and overall cost savings make a geothermal heating and cooling system a clear winner.

EnerGeo's goal average depth for each trench is 8 feet deep.

This video is a great start to your understanding of how geothermal heat pumps work and why they are beneficial to both the environment and your wallet. 

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