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  1. #1
    Join Date
    Jan 2013
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    What is a permanently closed window

    Venting instructions say that it must be 4' from a window that may open, and 1' from a permanently closed window. That is difficult because my windows are closer than 8' apart. Can I put a screw through a double hung window and make it permanently closed?

  2. #2
    Join Date
    Jun 2006
    Location
    Richmond, VA
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    permanently closed windows can NEVER be opened by design.....no screws ....
    I wish I had a $1.00 for every response I deleted.....

    "Decidedly Superior in a twisted pathetic way".....

  3. #3
    Join Date
    May 2004
    Location
    south louisiana
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    what is it you are venting?

    by code ...beshvac is right.
    because by removing the screw the window isn't permanently closed.

    best of luck
    The cure of the part should not be attempted without the cure of the whole. ~Plato

  4. #4
    Join Date
    Nov 2004
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    SW FL
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    It's the one with The Duct Tape !.. L.O.L.
    Designer Dan
    It's Not Rocket Science, But It is SCIENCE with "Some Art". ___ ___ K EEP I T S IMPLE & S INCERE

    Define the Building Envelope and Perform a Detailed Load Calc: It's ALL About Windows and Make-up Air Requirements. Know Your Equipment Capabilities

  5. #5
    Join Date
    Nov 2004
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    SW FL
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    double
    Designer Dan
    It's Not Rocket Science, But It is SCIENCE with "Some Art". ___ ___ K EEP I T S IMPLE & S INCERE

    Define the Building Envelope and Perform a Detailed Load Calc: It's ALL About Windows and Make-up Air Requirements. Know Your Equipment Capabilities

  6. #6
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    21,553
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    A permanently closed window is what you'd find downtown in an office building. It's designed to be looked out of, but not opened.

  7. #7
    Join Date
    May 2008
    Location
    Missouri
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    3,840
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    i'm pretty sure glass block windows will qualify as "permanently closed" since they can't be opened. But also sure you can't temporarily screw a window shut and get the inspector to agree to "permanently closed" status. Find another way such as calling an experienced professional!

  8. #8
    Join Date
    Aug 2003
    Location
    Fort Worth, TX
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    I think a similar term is "non-operable" window. But it could also give someone the notion that they could run a screw into the frame and call an otherwise operable window "non-operable". Nope. "Non-operable" or "permanently closed" means that is how the window is MADE, not what it can be modified TO.
    Building Physics Rule #1: Hot flows to cold.


    Building Physics Rule #2:
    Higher air pressure moves toward lower air pressure


    Building Physics Rule #3:
    Higher moisture concentration moves toward lower moisture concentration.

  9. #9
    Join Date
    May 2004
    Location
    south louisiana
    Posts
    3,578
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    what are you venting?
    The cure of the part should not be attempted without the cure of the whole. ~Plato

  10. #10
    Join Date
    Dec 2005
    Location
    Cincinnati, Oh
    Posts
    5,854
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    Ditto on the above guys, especially energy rater.

    The rule you list is generally related to non-direct venting.

    If your equipment is able to be direct vented, I would suggest it.
    Especially since direct venting should VASTLY change the venting clearances.
    "Better tell the sandman to stay away, because we're gonna be workin on this one all night."

    "Dude, you need more than 2 wires to a condenser to run a 2 stage heatpump."

    "Just get it done son."

    Dad adjusted

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