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Thread: Pool heating questions

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    Join Date
    Apr 2016
    Dayton, Ohio

    Pool heating questions

    So, it's finally warming up in Ohio. Heat pump doing ok, got pool up to 75 today and hopefully up closer to 80 tomorrow. Main question is whether it is better to take off solar cover during sunny warmer portion of day while heating or leave on until we swim mid to late day? Either way heat pump will be running aroun 11am-6 pm. I have a 12 mil standard light blue solar cover which keeps heat in well at night. I know most heat loss is from evaporation, but does cover decrease heating efficiency during day or improve it?

    26,000g IG, Fiberglass side/Concrete bottom, epoxy paint, Pentair IC40 SWG, Pentair Cartridge Filter 420, Pentair Intelliflow 3 HP VS pump, Pentair 120 Heat Pump, pool installed 11/2015, painted and equipment installed 4/2016. City Water.

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    cowboycasey's Avatar
    Join Date
    Jul 2013
    Fletcher, OK

    Re: Pool heating questions

    Having the solar cover on whenever you are heating is the best thing to do, only take off when you are using the pool
    Pool: Intex 16x32 15000 gal, 2 speed 340042, Pentair CC320 Filter, CircuPool SJ45 Salt System, Intermatic PE653RC; Hot Tub: 650 Gal SWG Megachlor
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    frustratedpoolmom's Avatar
    Join Date
    May 2007
    SWSuburban Chicago, IL

    Re: Pool heating questions

    The covers, especially 12ml, retain heat for the most part. The lighter color/weight, the more the water heats up from the sun. If the outdoor temperature is less than the water temp, this is not a factor. So if the water temp is 72, and the outdoor temp is 80, I'd remove the cover during the peak sun hours, and replace it as soon as the outdoor temp decreases 1 degree.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
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    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
    DFW, TX

    Re: Pool heating questions

    Watch the wind though, put the cover back on if it gets pretty windy and the air temp is close to water temp.
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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