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  1. #1

    Return Size-Stamp face

    for a stamp face return on a wall what is the rule of thumb for return air(square inches)? i have a unit that sits in a hallway closet above ground with the return air coming up from a stamp face return in the hallway(typical california track style). what size should the stamp face be?

  2. #2
    Join Date
    Jan 2004
    Location
    PA
    Posts
    68,764
    Depends on how much air you need through it.
    Contractor locator map

    How-to-apply-for-Professional

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

  3. #3
    Join Date
    Aug 2002
    Location
    Office and warehouse in both Crystal River & New Port Richey ,FL
    Posts
    18,836
    1 to 1.5 sq ft per ton,depending on the grille type,for A/C .

    In a cold climate,the furnace size may determine the grille size.

    If you are having noise issues,try removing the grille,if you still have the noise it's from the equipment ,not an undersized grille.

  4. #4
    thank you

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