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  1. #14
    Join Date
    Apr 2008
    Location
    Pa.
    Posts
    1,148
    Quote Originally Posted by larnot View Post
    Do they have an electric water heater?
    If they have an old fashioned rotary type electric meter outside, you can stand and watch the wheel speed up and slow down when the Aux. heat kicks in and out. If it's spinning fast when you know the aux heat is not on, then they have another issue.
    yes electric water heater.......I know when the aux heat is on and off as I cycled all the controls and confirmed via amp draw

  2. #15
    Join Date
    Apr 2008
    Location
    Pa.
    Posts
    1,148
    ranging anywhere from 20-35 would be my guess for an average for od temerature at night

  3. #16
    Join Date
    Dec 2012
    Location
    columbus, OH
    Posts
    2,198
    Im no expert, but heat pumps arnt to efficient in the 20s right? 5 Kw is 1.5 tons, what kind of BTUs would the house need at those temps? Not to mention longer defrosts.

  4. #17
    Join Date
    Apr 2012
    Posts
    10
    Quote Originally Posted by larnot View Post
    Do they have an electric water heater?
    If they have an old fashioned rotary type electric meter outside, you can stand and watch the wheel speed up and slow down when the Aux. heat kicks in and out. If it's spinning fast when you know the aux heat is not on, then they have another issue.
    Or you could just check the amp draw of the aux/emer heat....

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