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  1. #1
    Join Date
    Mar 2007
    Location
    Philadelphia PA
    Posts
    3,177

    Default packaged heat pump filters

    I almost never see packaged (non-split) heat pumps, but I did today. Where is the filter usually found? This house had filters in all of the many return registers, which seems kinda dumb to me.

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  2. #2
    Join Date
    Mar 2007
    Location
    Fletcher, NC
    Posts
    28,032

    Default Re: packaged heat pump filters

    John,

    While creating a pain-in-the-a$$ to change and keep the filters clean, that is actually a very good way to filter the air.

    In addition to keeping the equipment clean, filters at each return also keep the ductwork clean (provided the filters are changed/cleaned regularly).

    To clarify, I am referring to "return air grilles", NOT "supply air registers".

    If those filters are in the "supply air registers", yeah, that's not only dumb, it real dumb.

    Jerry Peck
    Construction/Litigation/Code Consultant - Retired
    www.AskCodeMan.com

  3. #3
    Join Date
    Mar 2007
    Location
    Philadelphia PA
    Posts
    3,177

    Default Re: packaged heat pump filters

    Thanks, Jerry. Yes, they are in the return grills.


  4. #4
    Join Date
    May 2007
    Location
    Portland OR
    Posts
    43

    Default Re: packaged heat pump filters

    Most of the newer condos that I see have the filter installed at the furnace or air handler located above a suspended ceiling in a closet or utility room. Then to make matters worse, sometimes shelves are put in, making even harder to get to the filter. I always recommend that the return air grilles be modified to accept a filter. Usually there is only one return air grille, so it wouldn't be that difficult.


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