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One Filter or Two

November 26th, 2009
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My AC tech recommended removing the filter in the air handler, because I have one on my return and an extra filter restricts air flow. Obviously the guy who installed it thought there should be filters both places. What do you think?

If your system is designed for the pressure drop of 2 filters then it should be no problem. I’ve seen evaporators freeze up because people install the hepa filters which restrict flow. For you, I would go with what you been doing all this time. If you’ve been using 2 filters, then keep the same and vice versa.

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  1. UnknownZ
    July 13th, 2009 at 12:31 | #1
    Reply | Quote

    well……..
    use red and blue coloured tanslucent plastic. cut into perfect size, make a card board frame around it.TADAH!!!!
    (Not sure…)

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