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  1. esweber

    Return Air Duct Work Codes

    I understand that if you are in a conditioned space you do not have a problem with condensation on the duct work but are any codes i.e. BOCA that say you have to insulate RA. I have an inspector saying you have to know matter where the Return Air duct is.
  2. esweber

    Return Air Duct Work Codes

    Can some one tell me if any National Code requires you to insulate the return air duct in a conditioned space?

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