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how do I do a heat loss,and how do I figure out the unit out put

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Bob Bona_4
Bob Bona_4 Member Posts: 2,080
in THE MAIN WALL
A '20's balloon frame house has a radically different infiltration rate than a 1990 colonial.

Do the heat loss calculation.

Comments

  • G Waite
    G Waite Member Posts: 23
    heat loss

    How do I perform a heat loss test. How do I figure out the amount of btus I will need?
  • [Deleted User]
    [Deleted User] Posts: 672
    google for

    slantfin heatloss explorer 2
  • Cam_2
    Cam_2 Member Posts: 36
    20 btus sq/foot is a good place to start

    for cooling sq/ft x 15 divided by 12,000 nice rules of thumbs, you will be close every time!
  • The Steam Whisperer (Formerly Boilerpro)
    The Steam Whisperer (Formerly Boilerpro) Member Posts: 834
    No Way is right....

    Example: My own home, 1906 2800 sq ft two story, 700 sq ft of windows, Northern Illinois:

    Heating (based on ASHRAE)
    As built, about 40 btu/sq ft, Upgraded about 15 btu/sq ft.

    Cooling (based on ASHRAE)
    Upgraded, 10 btu/sq ft, actual, 7 btu/sq ft



    With "Rules of Thumb", you might as well cut your thumb off. At least use some sort of abbreviated heating calculation such as that published by Weil Mclain, or a more detailed method based on ASHRAE such as Slant Fin's.


    Boilerpro





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