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Thread: Electric Co rebate on Variable speed pumps.....worth pursuing?

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    timthek's Avatar
    Join Date
    May 2013
    Location
    Philadelphia Suburbs
    Posts
    42

    Electric Co rebate on Variable speed pumps.....worth pursuing?

    I have a 3/4hp Pentair Whisperflo (single speed) pump currently. It is 10 years old and can be a little noisy. My utility company is offering a $200 rebate on a Variable Speed Pump and I am wondering A) if it is worth replacing, and B) which pump is recommended? Seems like they are all $600-1000 but I have no idea which one is for me.

    I've got an inground pool with between 20-25,000 gallons running through a 48sf DE filter. I've got a Polaris booster pump for my pool cleaner. There is also a Minimax 7 Natural Gas heater. There are 3 return jets, 2 skimmers and the required 2 bottom drains. There is also a waterfall feature.
    I run the pump about 6-8 hours a day from May through September. My Electric rate is 13.9c per kWh.

    I don't have a clue how many feet of head I have as the pool was built 20yrs before I bought the house and has had all the equipment replaced at least once as well. All of the exposed PVC is 2" though the original plans all called for 1 1/2".

    Feedback appreciated.

    Thanks,
    Tim

    20,000 Gallon In-ground - PebbleTec pool surface
    DE Filter with Pentair Whisperflo WF-23
    Pool Season: May 1 - Sep 30; Full Sun

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    DeanP66's Avatar
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    Mar 2014
    Location
    San Jose, CA
    Posts
    703

    Re: Electric Co rebate on Variable speed pumps.....worth pursuing?

    Don't know about Pennsylvania, but here in California, the rebate was easy as pie to get. I just filled in an online form at the PGE website (electric company) and I had the check in 10 days. My friend bought a variable speed pump a month later and had no trouble with her rebate as well.

    The savings is definitely worth it. At 8 hrs/day, your current pump is probably using anywhere from 400 to 500 kWh a month depending on the wattage of the pump. My old pump was using 320 kWh/month at 5 hrs a day (2139 watts). I installed a Hayward Tristar VS SP3202VSP pump and now I run my pump for 18 hrs/day at a low speed (1000 rpm as opposed to 3400 rpm with old pump). It only uses 57 watts at 1000 rpms so for 18 hrs/day, it comes out to slightly over 30 kWh/month. For me that translates to over $115 savings every month from where i was before. The pump will pay for itself in no time.

    Even at your lower rate (mine is .40/kWh ), you'd still be saving anywhere from $50 to $80 per month.
    Pool size: 20,000 Gallon Plaster Pool, Pump: Hayward Tristar VS SP3202VSP, Filter: Pentair Clean and Clear Plus 320
    Polaris 280 Pressure side cleaner, Solar cover, Pentair Amerilite LED pool light, Taylor K-2006C test kit
    Location: San Jose, CA

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