220 degree solar air heater for $100

This is the solar furnace I built with help from my son ,raidernation85d, for around a hundred bucks. You don't have to be a carpenter to build one of these. We built it in about a day. I'd like to give credit to modernblacksmith. His design. If you have any questions on how to build your own, just ask. I'll be glad help.



The Secrets to Building Your Own Solar Energy System.....For Under $200!

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