Homemade “Steel Can” Solar Air Heater!

J5 Tactical Flashlight

DIY – STEEL CAN Air Heater! (140F+) – EASY Instructions!

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Homemade “Steel Can” Solar Air Heater. made with STEEL CANS. produces consistent flow of hot (140F+) air. video provides full instructions on how to build it. this thing moves a LOT of hot air. air enters through vents at the bottom of collector and is heated as it’s pulled up through all seven columns of cans.