Heating and Air Conditioning bills over the top again? Why not cool and heat your home for FREE? At the very least lower your utility bills by offsetting with a passive system.
The earth provides everything we need to live comfortably. With this 153 page book you’ll learn how to incorporate thermal masses, evaporative cooling, earth tubes, geothermal, shading, landscaping, micro climates & much more; into your home to eliminate AC & heating costs.
Simple and basic, no speci
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