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Thread: Change 4" to 5" filter?

  1. #1
    Join Date
    Jan 2013
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    Change 4" to 5" filter?

    I had a new furnace installed about two years ago (American Standard Freedom 95 Comfort-R). The filter has been changed by the company that installed it but their free tune ups are now over it's time to change the filter. When I opened the filter box I noticed that while there is a 4" filter installed it looks like the box could fit a 5" filter. Would it be okay to put a 5" in there? Would it add any benefit? I noticed that with the current 4" filter it does not completely seal the box and a small amount of air is able to flow around the filter. I was hoping a 5" would seal it and maybe even help efficiency or air filtration. Current filter size is 16x25x4. Thanks for your help.Name:  photo.jpg
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  2. #2
    Join Date
    Mar 2005
    Location
    burlington county n.j.
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    is there a model # on the filter cabinet?

    looks like they were using something they got cheap for your "free" tune ups.

    if no #s on the cabinet you should be able to measure the cabinet and find something that fits better than the one you have now.

  3. #3
    Join Date
    Jan 2013
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    Thread Starter
    The filter cabinet has 325882 401 stamped on the top and 325881 401 stamped on the access door frame.

  4. #4
    Join Date
    Apr 2012
    Location
    winnipeg
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    4" or 5" wont matter much..... 5" will not hurt go for it....
    it was working.... played with it.... now its broke.... whats the going hourly rate for HVAC repair

  5. #5
    Join Date
    Nov 2004
    Location
    SW FL
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    Quote Originally Posted by carmon View Post
    4" or 5" wont matter much..... 5" will not hurt go for it....
    Leakage is a SIGNIFICANT matter.!
    Designer Dan __ It's Not Rocket Science, But It is SCIENCE with Some Art. _ _ KEEP IT SIMPLE & SINCERE ___ __ www.mysimplifiedhvac.com ___ __ Define the Building Envelope & Perform a Detailed Load Calc: It's ALL About Windows & Make-up Air Requirements. Know Your Equipment Capabilities

  6. #6
    Join Date
    Apr 2012
    Location
    winnipeg
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    really.... never new that.... thanks
    it was working.... played with it.... now its broke.... whats the going hourly rate for HVAC repair

  7. #7
    Join Date
    Oct 2010
    Location
    Anderson, South Carolina, United States
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    21,021
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    Looks like the cabinet was made to accept a 16x25x5 honeywell's F100 series filter should fit, take a tape measure and make sure before you shell out the cash for one though.

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