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  1. #1
    Join Date
    Dec 2009
    Location
    MIA, Florida
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    4

    Question Using swimming pool as water source for heat pump AC?

    Ok so this may be a VERY silly question but I do not know the answer so please bare with me.

    I had a conversation the other day with a friend. He said it was possible to use the water in an in-ground swimming pool as a water source for a heat pump air conditioner? is this in fact possible?

    I am sorry if this is a off the wall question but I'd really like to know.

    Thanks in advance for any replies

  2. #2
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,586
    Moved to geo forum
    Contractor locator map

    How-to-apply-for-Professional

    How many times must one fix something before it is fixed?

  3. #3
    Join Date
    Dec 2009
    Location
    MIA, Florida
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    4
    Sorry about that, I realized I posted it in the wrong section after I had posted. Thanks

    Quote Originally Posted by beenthere View Post
    Moved to geo forum

  4. #4
    Join Date
    Jul 2009
    Location
    Plant City, Florida
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    2,198
    Quote Originally Posted by treepog View Post
    Ok so this may be a VERY silly question but I do not know the answer so please bare with me.

    I had a conversation the other day with a friend. He said it was possible to use the water in an in-ground swimming pool as a water source for a heat pump air conditioner? is this in fact possible?

    I am sorry if this is a off the wall question but I'd really like to know.

    Thanks in advance for any replies
    The pool will not have enough capacity, you will overheat the pool, by law a spa or pool can only be 104 degree's F max.

  5. #5
    Join Date
    Nov 2008
    Location
    Paradise
    Posts
    865

    Red face

    Try a septic tank lol.

  6. #6
    Join Date
    May 2007
    Posts
    739
    Went to a house once where the owner had avoided the considerable trouble and expense of drilling a well (couldn't do a ground loop) for his water source heat pump by using the swimming pool. . It was during the winter and the heat pump wasn't heating well. The swimming pool was a sheet of ice. After my "Here's your problem!" he insisted that it couldn't be the problem because there was still water in the pool. Out of curiosity I chipped through a couple inches of ice, found water, and of course it measured 32F. I suggested he contact the manufacturer and ask them how much heat the unit would produce using 32F water as a heat source. He got the expected response from them and ended up paying us to install 20KW of electric backup heat. He later paid us to install an air-to-air heat pump, after a winter of high electric bills.

  7. #7
    Join Date
    Nov 2009
    Location
    Saskatchewan
    Posts
    493
    In a warmer climate, with solar pool heaters........ You might have hit a niche market here Buck O ......... think about it. You have to be able to switch over to another source.... maybe.

  8. #8
    Join Date
    May 2007
    Location
    Dry as a bone Tucson
    Posts
    4,510

    pools

    Currently being done by a contractor in phoenix. I am not privy to details but it is a big hit and performs well according to their installers that I have talked to. Here it is

    http://www.dialcomfort.com/blu-eq-ge...ooling-system/
    Some Talk, Some Do
    "keeping condensing pressures low and evaporator pressures high"
    "Some customers are more interested in comfort than energy savings"
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  9. #9
    Join Date
    Dec 2009
    Location
    MIA, Florida
    Posts
    4
    Thanks for the responses.

    Is there a way to calculate how much water would be needed per hour of running the AC? The reason this topic came up for me is that I am looking for an inexpensive way to occasionally cool my shed/workshop not my home. I have a 30'x30' with 8' ceiling workshop at my home and I only use the workshop a couple hours at a time on the weekends.

    Is there a way to calculate how much water you need? Or is it such a huge amount that it would heat a 15''x30' pool to over 100 degrees in two hours?? Just trying to get an idea exactly how ridiculous this idea is I guess

  10. #10
    Join Date
    Dec 2009
    Location
    MIA, Florida
    Posts
    4
    Wasn't able to edit that last post...it's a 15' x 30' in ground pool.

  11. #11
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,586
    Quote Originally Posted by ACFIXR View Post
    Currently being done by a contractor in phoenix. I am not privy to details but it is a big hit and performs well according to their installers that I have talked to. Here it is

    http://www.dialcomfort.com/blu-eq-ge...ooling-system/

    How many years have they been installing them?
    Contractor locator map

    How-to-apply-for-Professional

    How many times must one fix something before it is fixed?

  12. #12
    Join Date
    May 2007
    Location
    Dry as a bone Tucson
    Posts
    4,510

    years?

    dont know but these guys get bug eyed and start drooling when talking about these systems. My take is that thay are a combination type set-up say pool and chiller and an aerator.
    Some Talk, Some Do
    "keeping condensing pressures low and evaporator pressures high"
    "Some customers are more interested in comfort than energy savings"
    Blog
    Web
    Facebook


  13. #13
    Ok so this may be a VERY silly question but I do not know the answer so please bare with me.

    I had a conversation the other day with a friend. He said it was possible to use the water in an in-ground swimming pool as a water source for a heat pump air conditioner? is this in fact possible?

    I am sorry if this is a off the wall question but I'd really like to know.

    Thanks in advance for any replies

    __________________________________________________ ______________________

    Hmm very interesting. If this person installed a long enough loop between the unit and the pool it might work. Lets say he installed an underground loop long enough to do the job but only used the pool for the water source and not for heat exchange. He would need 2 loops. 1 before the pool in the series so the ground would do the heat exchange without changing the temp of the pool. The 2nd would be after the pool in the series so the water temp could reach ground temp before entering the heat pump. With a couple of tweaks that might work.

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