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  1. Thread: Fan Noise

    by brenttew
    Replies
    9
    Views
    792

    I am increasing the size of the return air by 50...

    I am increasing the size of the return air by 50 percent to make sure I have enough air flow. The company is a reputable local company with impeccable credentials from the better business bureau.
  2. Thread: Fan Noise

    by brenttew
    Replies
    9
    Views
    792

    I am also increasing the return air vent sizes...

    I am also increasing the return air vent sizes and the drop from an 12 inch by 18 inch drop to a 20 by 20 drop.

    I am being told by the HVAC installer that increasing the size of the drop from a...
  3. Thread: Fan Noise

    by brenttew
    Replies
    9
    Views
    792

    A local installer has installed a Lennox HSX15048...

    A local installer has installed a Lennox HSX15048 4 ton AC, a C3350/60C Coil, and a Lennox G61MP60C110 Furnace. I requested a G61MPV60C110 furnace with a variable speed fan. The installer says that a...
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