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November 21, 2009  |  Login
Ground Source Heat Pumps: Heating your Home with a Geothermal System
By Eric Corey Freed
 


The Early Days of Geothermal

Archaeological evidence shows that the first use of geothermal heating occurred more than 10,000 years ago with the settlement of Native Americans using hot springs. A source of warmth and cleansing, the spring minerals were known as a source for healing.
The modern use of geothermal dates back to 1864 at the Hot Lake Hotel near La Grande, Oregon. By 1930, the first commercial use of geothermal energy was produced using a 1,000-foot well in Boise, Idaho.

 

 
 
 
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