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Recent content by kailu

  1. kailu

    External Static Pressure

    Approximately, in a commercial building, assume 0.1"/100ft. for the duct length entire. Then assume another 0.5" of the AHU PD. If the AHU has apecial filters then add the PD as per filters manufacturers. In a one floor office with supply and return ducting and diffusers I would...

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