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Outdoor pool calculator

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Zman
Zman Member Posts: 7,569
in THE MAIN WALL
Does anyone have a calculator for figuring the heat loss for an outdoor pool or spa. There are tons available that will do simple temp rise. I am looking for one that will determine evaporative and heat loss under any conditions.
Thx in advance.
Carl
"If you can't explain it simply, you don't understand it well enough"
Albert Einstein

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  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 7,859
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    Are you looking for a calculator that will work when it gets wet?
    I understand the new iPhone is water-resistant and has a calculator function and also takes really good pictures.

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?

  • Jamie Hall
    Jamie Hall Member Posts: 23,330
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    Heat loss is not that hard to calculate. Evaporation more so -- and more significant.

    That said, here is a handy dandy discussion with useful numbers...

    https://www.engineeringtoolbox.com/heat-loss-open-water-tanks-d_286.html
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • Zman
    Zman Member Posts: 7,569
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    EdTheHeaterMan said:

    Are you looking for a calculator that will work when it gets wet?
    I understand the new iPhone is water-resistant and has a calculator function and also takes really good pictures.

    The calculator itself does not need to be in the water. A spreadsheet would be ideal. :/
    "If you can't explain it simply, you don't understand it well enough"
    Albert Einstein
    EdTheHeaterMan
  • Larry Weingarten
    Larry Weingarten Member Posts: 3,306
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    Hi, This might help: https://www.tesisat.org/en/heating-load-calculation-in-swimming-pool.html

    Yours, Larry
  • hot_rod
    hot_rod Member Posts: 22,158
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    I've always understood that the air movement, wind across the surface is a big variable and hard to assume or predict a number? Would that be called infiltration :)?

    Wind screens or fences were added to pools at the various ski resorts I have worked at to lower the heating loads.
    And keep the riff raff out.
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream

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