Here is a tour of my tinkering with solar window heaters. I have been messing around with these for a few months and am really very pleased with version #3.
There is a lot of speculation about how maybe these things don’t really do anything because they ‘block’ the sun from coming into the room where it would naturally heat furniture etc… I could see that if the system were just passive as with the first two attempts but once you add the fan it is a whole different ball game.
Also, my end goal will be to have a much larger version which is not in a window but rather mounted to the south facing wall on my home, and an opening near the floor and the return near the ceiling. That should work very well based on my experiments so far!
Advice and questions are all welcome!
Cheers!
Willie
PS.
It may seem at times like you have ‘done it all’ but there are many new crafts and lost skills out there for all of us! This is my mission!
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