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| Passive solar website full of goodies | | |
|  dysviz | Jan 2, 2:07pm | passivesolarenergy.info [passivesolarenergy.info]
excellent passive solar advice, charts, diagrams, sensible advice, good looking designs of passive solar with equator facing vertical glass, much better than those dumb earthships with sloping glass on the south, they overheat!! |
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| Passive solar website full of goodies | | |
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