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DIY: Building a solar heater with recycled cans [Video]
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Building a solar panel heater out of aluminum cans is not as far-fetched as you might think.
How do they work
The units are typically installed on the outside walls of houses, and of course, in a location that gets a lot of sun. The idea is to draw air from near the floor of any room in a home, and pass it through the heating panel, which contains several columns of cans.
The air is then returned to the same room near the ceiling. The cans are stacked and have large holes cut in both ends to allow the air to pass inside them while the outside of the cans is getting hot from the sun.
What you’ll need
- 240 aluminum cans.
- 3 – 8 ft. 2x4s.
- 4 ft. x 8 ft. x 1/2 in. sheet of plywood.
- High temperature silicon.
- 4 ft. x 8 ft. sheet of Plexiglas or Lexan.
- A can of heat-resistant flat black spray paint.
- Plastic tubing.
- Drill Press with wide drill bits.
- Screws.
- Optional Air Blower (consider a solar-powered unit).
How to build the solar panel. Read the full article on All Self Sustained
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Source: http://www.allselfsustained.com/diy-building-a-solar-heater-with-recycled-cans-video/
