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Thread: Best way to heat a salt water pool

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    Best way to heat a salt water pool

    I am new to this forum, so I apologize in advance if there is already a thread or post on this topic.

    I need to find the best way to heat a small salt water pool (~8,000 gal).

    The caveats are:

    1. The pool is located at the beach, so gas heaters probably aren't an option due to rust
    2. If solar, there is only a space of ~10' to hold a panel. And the panel would have to be elevated about 8' off the ground which would increase the head height on the pump.

    I would prefer to find something affordable <$1,000 and would raise the temp by a min of 5 degrees.

    Other notable items: The pool is in direct sun from 9am - 5pm and is a white fiberglass inground pool.

    Right now I'm leaning toward a solar heater, but wanted to know if anyone had further advice on the topic. Thanks for your help!

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    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: Best way to heat a salt water pool

    When you say salt water, do you mean ocean water, or just a fresh water pool with a salt water chlorine generator?

    With that space limit it's going to be hard to get a solar panel to work well. Also we don't know where you're located so we don't know how strong the sun might be. The elevation constraint isn't an issue for most pumps.
    Dave J. TFP Moderator
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    Isaac-1's Avatar
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    May 2010
    SW Louisiana

    Re: Best way to heat a salt water pool

    It does sound like solar is your best bet, look at glazed solar panels though if space is at a premium, their price per btu of output is much higher than unglazed, but it may be an option, not sure on you budget, probably depends on if this is DIY or if your paying someone.
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
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    ps0303's Avatar
    Join Date
    Jul 2011

    Re: Best way to heat a salt water pool


    What you don't say is when do you want to be able to heat the pool or are you just wanting to extend your swimming a month or so either side of the winter months. This is also useful info on determining what to use to heat it.

    Not sure you can really get much for less then $1000 unless it a do it yourself project.
    Paul A word of caution: When working with gas and electrical you might want to consider a licensed contractor. Consider the value of your life and others around you. If you would like to provide a review of the help I provided, please use the following link to leave a review. gastek - Google Search,

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