$50 solar pool heater


Memorial day is just around the corner and I am intent to have my pool to 80 degrees F if the sun cooperates. I live in Williamsburg Virginia, and it was about 80 degrees outside temperature today with full sun hitting the deck. This setup is only temporary to warm up the pool from its winter hibernation. The tube is a 6mil black food-safe polyethylene 1000 feet long. Don’t know how long it will last, and pinholes quickly formed when I kinked it during unrolling, but it was only $50. I realize now that I should probably space the coils out so the deck can see the sun and transfer heat to the individual runs instead of the grouping.

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  1. Great idea using the pool outlet to push water through the pipe. I bought a pond pump, paid 89.00 for it but I think I am going to do what you did and connect it to one of my outlets.

  2. I built a solar heat panel after watching some You Tube videos. 120.00 for the plexi-glass, 89.00 for the adjustable pond pump. 30.00 dollars for the 4×8 sheet of plywood, 20.00 for the four pieces of pressure treated 2×4, two garden hoses for the in and out at 70.00..(I buy American made when I can, not the Chinese junk) 300 feet of 3/4 pex tubing was 135.00, fittings to link hoses to pex tubing, etc 20.00, screws to hold plexi-glass to frame and put frame together I would say I used about 10.00 worth, Paint spray cans black 20.00 worth, all total= 514.00 Results? I live in Central Pa, currently on 4/28/2020 it is about 55 degrees outside and sunny. with some clouds passing through. The panel is heating up to 100.00 inside and the continual output is 64 degree's. The pool temperature is 54'F It's cold outside so I imagine it will only get better. I think the mistake I made was using 3/4 inch pex tubing instead of 1/2. I will be making another one using 1/2 inch pex tubing which is only 75.00 for 300 feet. The 3/4 will feed into the 1/2 inch then. I am a little disappointed with the results, I expected better after spending 500.00 and I forgot to mention caulking I bought to seal everything up. I did this because I wanted to extend pool swimming season. I worked hard and spent 10,000.00 putting in a built in pool for the family. did not seem right to spend that money and only be able to use the pool for three months out of year. I hope this does the trick but am not convinced. You can buy the rubber panels on Amazon for 250 a section. I may have been better off doing that. Also, to anyone thinking of putting in their own built in pool, if you have some common sense, you can do it. The pool companies in my area wanted 35000.00 to put in the same pool..(pool included) I did mine for about 10,000 including the concrete patio surrounding pool. FYI.

  3. How long did you leave running? What was the overall pool temperature in the end (not just at the exit hose). How long did it take?

  4. Hello i am not that smart in this area i spent about 40 mins at Lowe's and came out more confused. What is the fitting being used on the inside of the pool that connects to the wall where the water flows from the pump to the pool and spits out

  5. That fitting you made for the outlet it darn cleaver! I have the reverse problem now mid summer, my pool is too warm. Thinking about doing basically the same setup but running it at night to radiate off heat.

  6. The problem with solar pool heater is………its solar!!!!!

    I actually need my pool to heat up when its NOT sunny and hot outside….and no solar system will do that for you
    When its sunny and warm i dont need to heat my pool ??!!?!

  7. John, thank you Sooooooo much for sharing this. I just copied your idea last month to prepare for a graduation party & had my pool up to 80 Fahrenheit 2 weeks before Mem. Day which was a good month ahead of usual in my part of Ohio. (A couple very cold days & nights & a heavy cold rain just days after I removed & stowed the tubing set me back to 70, but that was just crappy timing on my part disassembling to get the deck cleared off too soon.) Still shopping for a reliable & economical longer term solution, but this was a great, inexpensive quick fix.

  8. John, What is"the little directional thing" to which you refer? Does it regulate the outflow so that water is directed into the hose and what is it exactly?


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