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re: storing solar heat
14 feb 1997
ed lohrenz wrote:
>what's wrong with the biggest solar collector of them all...the earth
>around your home????? geothermal heating & cooling systems, using an
>efficient heat exchanger buried in the "solar collector" can heat & cool
>your home for about 70% less than electric heat.
that's still a lot, and you have your burial, pumps and whatnot with a
coefficient of performance of maybe 3, ie 1 watt in for every 3 watts
moved, vs a hybrid solar heating system with a cop of 10,000 or more.
nick
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