Solar Air Heater! - The "Screen Absorber" Solar Air Heater! - Easy DIY (full instructions)
• https://www.youtube.comHomemade Solar Air Heater! - The "Screen Absorber" Solar Air Heater!. Easy DIY. Produces temps near 140F (with outdoor air in the mid 40's). design of collector is similar to the steel can/aluminum can solar air heater but uses a "screen absorber pla