Homemade Solar Furnace for Under $50 A simple solar heater that is cheap and easy to make. When there is direct sun on the unit it produces heat like a hair dryer. According to the creator it produces a stream of air of around 120 degrees. The video above shows how to make a simple solar …
Build Your Own Window Mounted Solar Hot Air Furnace Ecomotive from instrucables presents a product aimed at lowering your winter heating bill and carbon footprint by generating heat for free using the power of the sun! Projects that involve warming air for space heating using the sun are plentiful. However, most of them involve permanently installed flat plate …