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  1. 01-08-2011, 06:31 PM #1
    Loeb
    Loeb is offline New Guest
    Join Date
    Nov 2010
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    2

    Benefit of Extending Fan-On Time???

    Some thermostats have an option to extend the fan operation time after the heater or air conditioner has turned off. What is the benefit of using this option?
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  2. 01-08-2011, 06:36 PM #2
    hvacrtech79
    hvacrtech79 is offline Professional Member
    Join Date
    Feb 2009
    Location
    Decatur,Il
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    54
    Heating: to try to get additional heat fron the heat exchanger,however the air will be cooler with a longer end of call time.

    Air Conditioning: to "try" to get a lil more cool air,however< the evaporator coil is wet (from de humidifing your home) so you actually take the humidity out and throw some back in after your condensor ends it's call for cooling.
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