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  1. #1

    Media filter suggestions for Carrier Infinity

    I am installing a Carrier Infinity 4 ton zoned system and mostly new ductwork in an older home and would appreciate some media filter suggestions. I do not want anything mechanical or ozone producing.

    I do want something with a high MERV rating that does not drop the static pressure beyond acceptable limits and where the media filters are reasonable cost. I would like something better than the Carrier EZ-Flex if compatible with this system. My installer recommended Air Bear but they seem to not have an especially high MERV rating.

    Is the Lennox HC16, which I have heard great things about here, a suitable choice to go with this unit and would not drop air flow too much?

    Dynamic, AprilAire, others?

    Btw, what is the filter size usually for the Carrier 4 ton Infinity?

    Thanks! This forum has been quite helpful...

  2. #2
    Join Date
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    When the duct system is designed/redesigned the filter pressure drop of whatever filter you choose just has to be accounted for. In our area the 4 ton Infinty often needs the filter area of two filters when using the higher Merv media.

    Take a gander at the Ultravation PCO product offering.

  3. #3
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    High MERV, reasonable cost?
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    How many times must one fix something before it is fixed?

  4. #4
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    Quote Originally Posted by beenthere View Post
    High MERV, reasonable cost?




    those 2 phrases just don't go together......

    lennox hc-16 is a good filter but not cheap.

  5. #5
    I don't equate reasonable and cheap. You get what you pay for so if not cheap that is fine as long as it is good value.

    That said, is there a good high MERV media filter, such as the Lennox HC16, that makes sense to use with a 4 ton Carrier Infinity unit? Or does anything past MERV 10 present too much air flow restriction and loss of static pressure?

    Thanks!
    Last edited by codeslinger; 08-29-2008 at 04:36 PM. Reason: spelling

  6. #6
    Quote Originally Posted by adrianf View Post
    Take a gander at the Ultravation PCO product offering.
    Thanks but I don't think I want to go the UV route due to ongoing cost or problems. Besides basic annual or biannual service, I just want to replace the media filter once per year. Don't have any particular issue with pollutants, just a couple of overly friendly airedales...

  7. #7
    Quote Originally Posted by adrianf View Post
    When the duct system is designed/redesigned the filter pressure drop of whatever filter you choose just has to be accounted for. In our area the 4 ton Infinity often needs the filter area of two filters when using the higher Merv media.
    Adrian, how do design the ductwork such that installing a high MERV filter uses twice [or whatever value] the filter area? All but one zone of my ductwork will be new. All new return ducts. 4 zones total. Thanks.

  8. #8
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    He uses 2 filters.
    Meaning you have to pay for 2 HC-16's.
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  9. #9
    Seems would also be a major issue with ducting them in parallel rather than just putting one under the air handler. I would not have the room for that so guess I'm sol on that arrangement.

  10. #10
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    Quote Originally Posted by codeslinger View Post
    Seems would also be a major issue with ducting them in parallel rather than just putting one under the air handler. I would not have the room for that so guess I'm sol on that arrangement.
    All of this is determined by the available static; with a good efficient low static retrun duct system one filter could be fine. This is what your contractor is suppose to do.

  11. #11
    Join Date
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    There's no pride of ownership with any of my postings. Air conditioning contractors are often times like financial advisors; line a 100 of them up and you'll get 100 different recommendations.

    But on this site you do get some folks that consisiantly give advice that a reasonable person should consider qualified. Albeit over the internet.

  12. #12
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    Quote Originally Posted by adrianf View Post

    But on this site you do get some folks that consistently give advice that a reasonable person should consider qualified.
    You do a good job.
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  13. #13
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    Quote Originally Posted by beenthere View Post
    You do a good job.
    Ok so where do I send the money?

    Thanks

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