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adding a supply vent


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  • adding a supply vent

    I have sheet metal ductwork in our home running lengthwise for HVAC.

    The trunk is covered but accessable behind drywall.

    When the dew point gets to be above 74, i have a rain forrest in my garage.

    SO, I was thinking, cut a hole to access the ductwork and tie into it.

    What vent size should I put put in?

    I used to work HVAC a zillion years ago.

    But we used ductboard. We would cut a hole in the duct, tape in some FLEX, put in a boot of pre-determined vent size and tape the flex to the boot done!

    This will be like a flush mount cuz the duckwork runs right next to the drywall.

    can anyone tell me what to do. The Garage is roughly 12 x25. We have a new clopay door and new triple pane windows opened.
    Last edited by vdotmatrix; 06-25-2006, 07:32 AM.
    It\'s sometimes better to be lucky than smart.