DIY solar air heater for home heating needs/ FIGHT HIGH HEATING OIL prices and allow to save money for other things like paying your mortgage or refinancing your home. Hope this helps:-) Note: Look T THE VIDEO RESPONSES THEY ARE VERY GOOD! This is a prototype easy to build rooftop forced air heater that produces 45 degree increases at a high CFM CFPM rate. This one is made out of cardboard. A real one can be made out of weather proof material COROPLAST.
The name Coroplast applies to a wide range of extruded corrugated plastic sheet products based on polypropylene copolymers. The natural polymer is chemically inert and is generally considered non-toxic and safe for use in contact with food. The base resin meets FDA requirements as listed in Food Additive Regulation Title 21, Section 177.1520(c), Item 1.1, covering food contact uses.