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wanted: plans for homemade pool heater

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Posted by P&M Icaza on June 7, 2004, 7:21 pm
 
hi all,

i would like to construct a solar pool heater to heat my 24' round above
ground pool.  i have a 3' x 4' double pane window, (the seal leaked and
i had to replace this window), i would like to use.  any thoughts, or
points?
thanks,
peter


Posted by Anthony Matonak on June 8, 2004, 5:42 am
 
P&M Icaza wrote:

http://www.smarthome.com/3242.html
http://www.smarthome.com/images/3242guide.gif

They note that for a pool 15'x30' you need 2 4'x20' collectors.
That is, collectors 35% of the area of the pool or roughly 1/3.
A 24' round pool has an area of 452 ft^2 so you would need a
collector around 150 square feet. A 3'x4' window is 12 square
feet. You'll need 10 (ten) more of them. :)

Even with a heater, it'll help to have a good cover to stop the
losses from evaporation.

Anthony


Posted by NickW on June 8, 2004, 6:55 am
 
I have a black plastic collector (made from a coil of black pipes) to
heat my pool. Where I live (UK) you need about 50% of the surface area
of your pool.

A glazed collector will be a lot more efficient than an open plastic
one (because heat gets taken away by contact with moving air) but even
so, intuitively it sounds like your collector is too small. My
reaction would be that it needs to be about 1/4 the surface area of
your pool.

Nick.

Posted by Steviesurfer on June 9, 2004, 5:28 am
 Ya got enough for a warm water waterfall - use an aquarium pump - Cheap and
easy - If ya can't heat the entire pool make a warm spot in it.



Posted by P&M Icaza on June 9, 2004, 11:15 am
 

Steviesurfer wrote:

the kids already do that :)


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