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.
Some suggested tips for improvement:
– Make sure your black paint is matte so it doesn’t reflect the sun.
– The air moves by convection, however, you could add a small computer fan on the outlet and wire it to a 12 volt solar cell the unit to control the air rate.
– The intake size could be adjusted to control air rate as well. Making the intake smaller will give the air time to heat up while passing through the dryer ducting but it will slow down the rate of air flow. You can run it hot and slower or with more air and not as warm.
– A flat plate could be added between the intake tube and inside wall up to a little pulley inside the house. You could then adjust the air rate like this as well and have an on/off option.
– Add insulation to help maintain heat running through the system. Could prove vital for very cold areas.
Farrell TyeMan Levitt
Michelle Miller
Thank God for this article.
Where I live, we get 20 days in a row without sunlight on some stretches in the winter- not much use for this system!
Yes believe it or not, this does actually work. I have built a few of these…
Maybe I can do this!
The one I built for my camp yrailer in texas from 12×10 stacks of soda cans and a fresnel projection TV screen produced over 200 degrees on a cold sunny day. And it was a forceful stream of air.
Heather Williams Linnenbringer this would work on the back of your house
If there is any sunshine it will work
The one we have takes air in the house and circulates. This one looks like it heats outside air
Ruci