Renewable Energy for the Poor Man
By desiring little, a poor man makes himself rich. –Democritus
Showing posts with label
evacuated tube
.
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Showing posts with label
evacuated tube
.
Show all posts
Tuesday, July 14, 2009
Solar Hot Water - revisited
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I found this link the other day http://builditsolar.com/Projects/PoolHeating/DIY/SimplePoolHeat.htm Remember the other day when I talked abo...
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