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Geothermal Heating and Cooling

There are copious amounts of water available year-round at a steady temperature of somewhere between 54 and 57 degrees (Fahrenheit) underneath the Southwest Eco-district. The payback period for installing geothermal heating and cooling has varied between 4 and 12 years in Silver Spring Md and New York City. Nationally, one-sixth of our energy use is devoted to heating and cooling buildings. In 2009 about 35% of our ...more »


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