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geothermal + no compressor
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Posted by jimbo500 on Monday, 5 July 2010, at 4:00 p.m.
yall,
all the stuff i've seen is for a ground loop supplying a compressor.
what about the simple approach of a ground loop and heat exchanger only?
in the summer, it would seem as though you could push air over a heat exchanger and pump the heated water into the ground. cooler water comes out of the ground (ground = 70F in summer), that cools the living space. heat is extracted from the living space and, again, pushed into the ground to be dissipated.
in the winter, no pump is needed, heated water rises to the living space. in the winter, the system is much less useful, but still viable. if 6' down, the temp is about 40 F in the winter, that's still a sizable portion of the heating load the regular heating system doesn't have.
why is this a bad idea? what obvious things am i missing that make this not viable? what am i missing?
thanx,
jim :-)
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