How to heat your greenhouse, pool, or buildings with only compost!
Omschrijving
Here is a revolutionary approach for heating rooms and generating hot water. Author Gaelan Brown has worked with engineers and compost scientists to refine methods of composting that can heat greenhouses, barns, buildings, and hot water, all without combustion.
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‘The Compost-Powered Water Heater - Brown, Gaelan’.
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