home made solar air heater, outside is 15 degrees temperature comming out of system 65+ degrees,definatelly recommend this heater to anyone, total cost £5 for black paint
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home made solar air heater/update
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{ 11 comments… read them below or add one }
what kind of pint …
what kind of pint did you use to paint the cans i tried this and the paint came of the silicone and how big are the holes in the bottoms of the cans to let air pass through
cheers
I would have …
I would have thought that full cans of fizzy drink would explode when heated.
Excellent Point …
Excellent Point mate. 10/10
*laugh* You ain’t …
*laugh* You ain’t seen nothing.. come by my place with a case of beer sometime
well donne …
well donne mylarjorgen, you hit the nail in the head, absolutely right the cans absorb the heat, get extremely hot and warms the air has it passes inside.
To russell2030 (1 …
To russell2030 (1 week ag) why do you ever need empty aluminum cans in there?
I think it ists in acting as another separation, but if you use recycled double glazing, matt black paper should work really well as it has a flash point well above any temp you will ever get in the cabinet, or a matt-blacked slim radiator or fire-bricks which will slow-release late into the night. Full sealed out-of-date cans of liquid will store heat the best for slow release after the sun goes down though:o)
What an excellent …
What an excellent idea. So if you have enough cans and link them all to flow one tower to the next with the cold air coming in at the bottom & zig zaging up to the top (horizontally not vertically), then you’d probably not even need the solar panel to drive the air! Hot air rises naturally, coz of convection. I knew someone who had a home made solar water heater that used covevection (no pump) simply because the panel was on the garden & the tank was in the attic. Hot water rises too!
why do you ever …
why do you ever need empty aluminum cans in there?
it is such a mess …
it is such a mess in your garage, mate
that is a very good …
that is a very good idea, i will when time and materials arrive do one for inside the house and place it in a window.
this is awesome! …
this is awesome! make your cold air intake come from the house as well.. so you are just topping off prewarmed air.