Relative Humidity - ASHRAE v ACCA - Page 3
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  1. #27
    ?

  2. #28
    Join Date
    Apr 2002
    Posts
    11,808
    some one read a chart, every calculator is a little different

    a grain is just an easy to use number it is 1/7000 of a pound

    divide the two sets of answer by 7000 and see if there is much difference when you look at 3 significant figures
    The way we build has a greater impact on our comfort, energy consumption and IAQ than any HVAC system we install.

    http://www.ductstrap.com/

  3. #29
    Join Date
    Apr 2002
    Posts
    11,808
    Quote Originally Posted by unclebingo View Post

    If only the outside Dry Bulb and Coincident Wet Bulb figure could easily be calculated without the need of an online tool. Otherwise I could enter the formula in the Excel sheet and let it generate the numbers.
    get a book, it is possible
    The way we build has a greater impact on our comfort, energy consumption and IAQ than any HVAC system we install.

    http://www.ductstrap.com/

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