Celebrate the culture of agriculture & share skills (Growing! Cooking! Eating!)
This is a prototype easy to build rooftop forced air heater that produces 45 degree increases at a high CFM CFPM rate. This one is made out of cardboard. A real one can be made out of weather proof material.
Tags: diy, energy, recycling
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Amanda's Farm & Food Roundup
Added by HOMEGROWN.org
Added by Lucy Goodman
Added by Jennifer
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