Posted by Janicholson on January 12, 2008 at 07:51:44 from (66.173.50.180):
In Reply to: geo-thermal heating posted by TVB on January 12, 2008 at 07:34:13:
I think the issue is clearly in favor of doing it now. I used an abandoned well, at my house in northern Ohio, to provide a source of heat for a heat pump system. The well had water at the 40 foot level and down to 60 ft. I used a heat exchanger in the well to cool the well water without pumping it out of the well. The heat exchanger fluid was pumped through the evaporator of the heat pump system. It increased the efficiency of the electricity I used enough to compare it to the fuel oil furnace installed as primary heat. (At oil prices in the 1970s) It is OK to be reducing your contribution to global warming. especially if it also increases your profitability. JimN
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