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    trzmyewski's Avatar
    trzmyewski Posts: 2, Reputation: 1
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    #1

    Jun 24, 2013, 07:06 AM
    What's the best condenser fan speed control to use? Will it save on my electric bill?
    What's the best condenser fan speed control to use? Will it save on my electric bill?
    smoothy's Avatar
    smoothy Posts: 25,490, Reputation: 2853
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    #2

    Jun 24, 2013, 07:59 AM
    Home or business unit?

    A setback thermostat will save you on the bill if the place is vacant long enough every day and you set it back far enough... however for a home unit.. its unlikely to save enough to offset the cost to buy and install a VFD while the larger the business HVAC unit the more the savings would be.
    trzmyewski's Avatar
    trzmyewski Posts: 2, Reputation: 1
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    #3

    Jun 24, 2013, 08:25 AM
    These are residential units. I would like to reduce start up noise and hopefully energy consumption as well by ramping up the condenser fan speed thereby reducing inrush current. I found an ICM325HN Head Pressure Control for $85, but I'm not sure if it ramps up the fan if its calling for full load.

    I also just discovered a Soft Start device by Hyper Engineering which reduces the inrush current of the compressor. Does anyone have experience with this unit?
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