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Geothermal systems use the ground to provide heating, air conditioning and, in most cases, hot water. This green alternative to conventional furnaces and boilers provides even temperatures and improved air quality throughout your home year round. Although geothermal systems are more expensive to install than ordinary systems, no other heating and cooling system offers lower operating costs.
The Earth’s surface maintains a higher rate of consistent temperatures because it absorbs the sun’s energy. A geothermal system taps into that energy by pulling heat from loops of tubing buried underground and distributing it inside your home. In the summer, the process is reversed, creating cool, conditioned air by extracting the heat from the air in your home and moving it back to earth. The same heat energy can also be used for a radiant floor system or domestic hot water heating. Because a geothermal system simply moves heat instead of burning a fossil fuel to generate it, it’s more energy efficient than traditional systems.
Geothermal energy has been used to heat and air condition buildings for several decades. Geothermal systems have been called many different things, but it’s the same technology, offering advantages including: