Here is my solar air heater that I mounted on My building using your Solar Air Heater Profiles.
Step 1 I buit my box in no time.
Step 2 Profiles in place and hole drilled just below center.
Step 3 Installed up on the roof with 4 inch intake.
Archive for January, 2010
Solar Air Heater in California
Monday, January 11th, 2010