FAQs About Geothermal HVAC Systems

September 20, 2020

Geothermal HVAC systems are increasingly common in the United States. There are homes in all 50 states heated and cooled by one of these systems. They have a few advantages over conventional HVAC systems such as furnaces and air conditioners. What Is a Geothermal HVAC System? Furnaces and air conditioners create heated or cooled air from electricity or natural gas. Geothermal HVAC systems don’t create heated or cool air from a fuel source. Instead, they transfer already-existing heat between two locations. One location is your home and the other location is below the frost line in the ground. Geothermal Heat Pump A geothermal heat pump is the above-ground part of a geothermal HVAC system. It pumps a liquid solution through buried pipes. In the winter, it transfers heat from below ground to your home. In the summer, it transfers heat from your home to below ground. How Deep are the Pipes Buried? There are two types of geothermal pipe systems. A horizontal system is buried between 4 and 8 feet underground, depending on where the frost line is. A vertical system can be up to 400 feet deep. Geothermal HVAC systems take advantage of the fact that the temperature is...

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