home made solar air heater total cost to me £5, and has raised the temperature in the house by half
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Since i put a link in my post I am not sure it made it through. Search Beer collector (!) Beer collector (!) and see how she does it…the Hungarians have it down! Pass the outer cans over a flame to help them expand and to fit them easier; it increases the thickness of the aluminum walls and you get higher temps. Also, if you are using a hole saw to cut out the bottoms, save the fallouts, and put slits in them to make tiny pinwheels. Glue these into the bottom three rows of cans.
Your outlet port should be larger, about four inches in diameter…when you force warmer air through a smaller opening it is cooled, and you have wasted energy. Check out BEERCOLLECTOR! BEERCOLLECTOR! .com, and see how they do it. You can pass the cut cans over a flame to make the outer can fit much easier, otherwise it will only go on about 1/4 to 3/8 of an inch. In effect, she is increasing the thickness of the aluminum walls, thereby increasing heat gain. (continued…)
Nice!! Have to make one! ^_^
Probably to power the electric fan at the outlet of the heater.
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This may seem like a dumb question but what about in the summer when you don’t want all this heat coming into the house..how do you shut it down..by closing the vent but then wouldn’t the excessive heat warp the heck out of the inside etc..or do you just take it off the house?
you can still get sun burnt when its couldy
My thoughts,
- This device will work in the winter. Although the temperature expelled will be much lower than in the summer, it will still be much higher than that drawn into the system. Cloudy days may only be a fraction.
- The heat being put into your house means that your household system will not need to work as hard and if on a thermostate will cut off much sooner saving you money.
- It does not matter what is used, it’s great that the system has cost next to nothing and is working.
Sweet!
What purpose does the solar panel serve?
great build i like the fact that its so cheap and uses the waste that would normaly be dumped and also saves money on the heating bill
thanks for showing your work on youtube its inspired me to build my own
I actually took the time to show you guys that it works and that it makes the house warmer during the day.
I would be suspicious of your expert’s opinion, since I actually show it here that its working, anyhow you can’t win them all (lol),
Some “expert” told me it wouldn`t.
But great that it does!
why not isn’t there daylight in the winter???, what matters is the solar radiation hitting the panel I have had this now for about 2 years and I have news for you it DOES WORK, AND ACTUALLY IT WORKS REALLY NICE, ask anyone that has built one and see their answers, by the way in winter while you are using gas or the mains to keep you warm, I’ll be using this heater and saving money while doing so.
Thank you for your comment anyway
Not really total cost as mentioned in the description £5, just using waste from building site.
Thank you
Nice heater! Did it cost much to build?
then explain how a green house effect works
Won`t work during winter time.
why do you need 30 more, tell me your calculations please.
Hi cgrove225, thank you for your amazing positive comment, by the way, I AM at home, it is warm and cosy, and I don’t need the massive 6 inch pipe with a big fan, bla bla bla, mine is better than yours crap, if you are happy with yours and I am very happy with mine, what’s the problem?
so if u build 30 more of those u might warm your house 10 degrees —wow !
you need the trapped air between the cans and the glass as an insulator, otherwise most the heat gathered would radiate back to the outside.
Hot air comes out of top of the window and cold air comes in the bottom. You should have placed it at the bottom.
You need to go big or go home. You need more air exchange to heat your house. Mine panel is 4 X 8 and i’m using 6″ Pipe with a big fan. My panel is heating 5 rooms from 64 F to 72 F in 32F outdoor temp.
Don’t forget to insulate the copper line running up the window sill, you don’t wanna give a way heat in the winter.
NIce build by the way!
The air is taken from inside your house so you want the glass there :)