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Monthly Archives: December 2015

Off Grid Window Box Solar Heater Doubles As a Sun Oven!

Off Grid Window Box Solar Heater Doubles As a Sun Oven!

Off Grid Window Box Solar Heater Doubles As a Sun Oven! Solar heaters are gaining popularity and with good reason- they provide FREE heat. This design uses solar fans to move the heat into the room so its totally off grid and will work during a power outage. Because it …

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