Homemade Steel Can Solar Air Heater DIY STEEL CAN Air Heater (140 F+) EASY Instructions

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. the fan also draws heated air from the airspace surrounding the cans. all the cans are either soup or vegetable cans. one 9 foot piece of wood makes the frame. remember, they call it a (1x4) but it s