Silent rooftop wind turbines could generate half of a household's energy needs

Silent rooftop wind turbines could generate half of a household's energy needs

Silent rooftop wind turbines could generate half of a household's energy needs, adding solar panels as well could take the home off the power grid.

Solar heater big enough to heat a garage.....this site tells you how to do it with soda cans ... heat a greenhouse or coop too!!

Solar heater big enough to heat a garage.....this site tells you how to do it with soda cans ... heat a greenhouse or coop too!!

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