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Thread: Heat Pump vs Gas Heater

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    Heat Pump vs Gas Heater

    I am at the final stages of my pool build, I am trying to decide between a 125k Pentair BTU heat pump or a 400k BTU Raypack gas heater. Pool is about 25,000 gallons in sun most of day and I plan on using solar blanket. Using a Pentair VS pump about 35 feet from pool.

    My electric rate is about 12 cents per kWh.

    Gas rate is about .5325 cents per Therm.

    Any help would be great need to make decision this week before final plumbing...
    24,000 gallon vinyl, 2 main drains, 2 skimmers, 4 returns, 2 inch pipe suction, 1.5 inch return. Pentair VS pump, Pentair IC-40 SWG, Pentair SD-80 filter. TF-100.

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    peterdaly's Avatar
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    Re: Heat Pump vs Gas Heater

    How often do you plan on using the pool? A few times a week, or mostly on weekends? Are you OK "planning" you swimming in advance, to have time to heat the water?

    How warm do you want the water, and how much warmer is that than an unheated pool in your area? (How much lift do you need?)

    Ignoring your specific utility costs, I believe a heat pump is clearly the most energy efficient way to maintain temperature, but based on your usage style, maintaining temperate may or may not be important for you. I think how how you plan to use the pool has a lot to do with what type of heater you should consider.
    Fayetteville, NY -17K gal, IG vinyl, Hayward SP2300VSP Max-Flo Variable Speed Pump, FlowVis Flow Meter, Sand filter
    Self designed Arduino powered automation for pump and solar control, Solar Attic Pool Heater, AutoPilot Digital SWG, TF100

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    Re: Heat Pump vs Gas Heater

    I think either way would be inexpensive. I don't have experience with heat pumps. Gas heat w/ a solar cover works very well, but I don't often use my heater to maintain. Mostly just for a boost when it's needed.

    Judging by the size, a 125k would barely maintain when it gets cool. 400k would be enough to get an average gain of a few degrees an hour. Or enough to maintain over a cold night.
    Aaron
    [ Vogue Vectra 24' AG | Hard plumb: Hayward Power-Flo Matrix 1HP 2-speed, 27" sand filter & Pentair MiniMax 100 NG | Taylor K-2006 | Central IL ]
    Powered by: TFP, PoolMath & TFTestkits

  4. Back To Top    #4

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    Re: Heat Pump vs Gas Heater

    Where do you live as the climate has a lot to do with how well a heat pump works?
    16k gal plaster with raised spa, Jandy DEV60 filter, 2 HP 2-speed SHPF Jandy Stealth pump
    Hayward Aqua Rite T-15 SWCG, Jandy LXi 400k BTU NG heater, 350 sq.ft. of Sun Star solar panels, TF-100 Test Kit, Dolphin s300i Cleaner
    Test Kits . Pool Math . Chlorine/CYA Chart . The SLAM Process

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    Re: Heat Pump vs Gas Heater

    I live in South Central New Jersey about in between Philadelphia and Atlantic City. We would like to use the pool a couple times during week and most likely every weekend possible. I would like to be able to heat the water to 85 during the season. During most of July pools here easily maintain 84-86 degrees all month unless there is tons of rain like this year...
    24,000 gallon vinyl, 2 main drains, 2 skimmers, 4 returns, 2 inch pipe suction, 1.5 inch return. Pentair VS pump, Pentair IC-40 SWG, Pentair SD-80 filter. TF-100.

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    ps0303's Avatar
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    Re: Heat Pump vs Gas Heater

    In a situation like you just described, lots of rain, means also lots of cloud cover. A heat pump extracts heat from the outside air so it has a be a relatively warm day in order for it to be efficient. A gas pool heater doesn't care about the outside temps or whether it's cloudy out. It's going to heat regardless.

    Either way you go, a solar blanket will keep any heat you add to your water.
    Paul
    http://www.gastekservices.com 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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    Re: Heat Pump vs Gas Heater

    Quote Originally Posted by kjm11379
    I live in South Central New Jersey about in between Philadelphia and Atlantic City. .....I would like to be able to heat the water to 85 during the season.
    Gas, hands down. You would be sorely disappointed with a heat pump in central jersey.
    14,000 gallon IG, Vinyl. Hayward 3/4 hp superpump, Penatair IC40 SWCG, Pentair automation, Hayward sand filter, Aqua Comfort heat pump, Hayward 400k Lo-Nox LP heater.

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    Re: Heat Pump vs Gas Heater

    I love my heat pump and I live near Worcester, MA. Not sure why you say one would be disappointed as we have been enjoying ours all season.
    Premier (Esther Williams) 24' x 52" Round AGP (13,500 gl.), Hayward 24" Pro-Series S244T Sand Filter, 1.5 HP Hayward Super Pump, AquaRite SWG, AquaComfort ACT-1100 Heat Pump, Jandy/Zodiac iAqualink Automation System with iPhone App, Aquabot Pool Rover S2-40
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    Re: Heat Pump vs Gas Heater

    Quote Originally Posted by dinom
    I love my heat pump and I live near Worcester, MA. Not sure why you say one would be disappointed as we have been enjoying ours all season.
    Just doesnt do the job. I like my pool around 85+. Doesnt cut it when the weather is like its been the last week or so, and into september. Dont get me wrong, it works fine late june and July. Glad yours works for you. Mine is basically a boat anchor when the air temp gets below the mid 60's, and i wish I had the ~4k back i paid for it. 4 grand buys a lot of gas!
    14,000 gallon IG, Vinyl. Hayward 3/4 hp superpump, Penatair IC40 SWCG, Pentair automation, Hayward sand filter, Aqua Comfort heat pump, Hayward 400k Lo-Nox LP heater.

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