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BARN1
description
Hybrid Solar/propane floor heater superinsulated barn.
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YI
- Yankee Ingenuety At It's Finest
The cheap way to heat a barn.
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ROOF1
- A Residential Application
Retrofitting a house for solar.
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CHEAP
Solar Projects
It shouldn't cost a lot of money to save money.
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40
%
Dec 5, 2006 a new solar cell was announced that broke the hitherto impossible 40% efficiency barrier
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