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  1. #14
    Join Date
    Jun 2007
    Location
    The Twilight Zone
    Posts
    2,964
    Quote Originally Posted by dogoodman View Post
    Here's a little more info:

    He's specing a 15 kw heat strip on a FHP model GS036, two stage.
    Closed loop, central Michigan area.
    120 year old brick farmhouse R-50 attic, approximately r-10 wall cavity foam.

    Thanks for the help so far,



    Dave
    http://www.fhp-mfg.com/newpdfs/GS_GT/GS_Spec.pdf

    The specs for that 3-ton unit show a max of 47,800 btu based on entering water temps and entering air temps (if I am reading the spec sheet correctly).

  2. #15
    Join Date
    Jun 2007
    Location
    The Twilight Zone
    Posts
    2,964
    Quote Originally Posted by beenthere View Post
    If Infinite possibilities provides infinite opportunities, wall do infinite walls provide.
    Prison.

  3. #16
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    66,818


    Infinite rooms of infinite possibilities.
    Last edited by beenthere; 06-13-2008 at 01:38 PM.
    Contractor locator map

    How-to-apply-for-Professional

    How many times must one fix something before it is fixed?

  4. #17
    Join Date
    Jun 2008
    Location
    Surrey, BC, Canada
    Posts
    35

    120 year old brick farmhouse R-50 attic

    are you sure you have the ductwork/ electrical supply for such a system?

    most older homes in our area (Vancouver, mild climate) have difficulties with the duct size (heat pumps move a lot more air than furnaces, I saw the ductwork for a new home with a geothermal heat pump and it was massive) or power supply to run an air source heat pump which will heat only when it is above 4C outside (39F), never mind installing a geothermal unit to supply all the heating

  5. #18
    The house presently has baseboard heat so new ductwork is part of the install. Have a little problem getting to the 2nd floor but I have a room I can use just to run ducts through.

    Upgrading the electrical (hydro in Vancouver, I watch too much Holmes on Homes) to 200 amp. Screws up my transfer switch on the generator but it's solvable.


    Dave
    Last edited by dogoodman; 06-14-2008 at 11:10 AM.

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