
.
Got any spare empty pop cans around your house?
Here is an easy solution for the materials required to make a high efficiency solar heating panel.
Aluminum cans are readily available. And the thin aluminum the cans are made from have excellent heat transfer properties.
Expose a column of pop cans, painted black, to the sun and the air inside is instantly heated.
.
Watch the video to see these panel being made.
.
Next Page »

Pages: 1 2
Zabicie ciotki (1984) bez limitu
Feb 23. 2015
Heya i’m for the first time here. I found this board and I find
It truly helpful & it helped me out a lot. I
am hoping to give one thing again and aid others such as you helped me.