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Showing posts from August 22, 2010

What is Geothermal Heating & Cooling?

Geothermal is one of the many energy efficient heating and cooling methods that is growing in popularity. Geothermal heating and cooling begins with a ground source heat pump (GSHP) which pumps out the heat deep within the earth to use as energy.GSHP are energy efficient and environmentally friendly and are very effective for commercial use. They offer a 25 - 50% reduction in energy usage, depending on the According to the International Ground Source Heat Pump Association: "Ground source heat pumps can be categorized as having closed or open loops, and those loops can be installed in three ways: horizontally, vertically, or in a pond/lake. The type chosen depends on the available land areas and the soil and rock type at the installation site. These factors will help determine the most economical choice for installation of the ground loop. For closed loop systems, water or antifreeze solution is circulated through plastic pipes buried beneath the earth's surface. During the win