What is a geothermal HVAC system and how does it save energy?

Category: Understanding Geothermal

Geothermal heat pumps use the ground as a heat exchanger via a closed-loop water circuit. During the winter, the system takes heat out of the ground and transfers it into the building. And during the summer, the system takes heat out of the building and transfers it into the ground. The ground maintains an average temperature of 55-70°F depending on your location. So this is 25-50 percent more energy efficient than conventional HVAC systems using air-source condensing units for cooling and fossil fuels for heating.

Geothermal technology is proven, reliable and efficient. It is the most energy efficient and environmentally friendly way to heat and cool a building, according to the U.S. Environmental Protection Agency.

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