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  1. #1
    Join Date
    Nov 2005
    Location
    deep south
    Posts
    12

    Angry

    We have had to have our coil replaced the past two years in a row a few weeks after we go from cooling to heating. We have 2 UV lights shining on our coil at all times, no visible mold on coil, no visible mold in home, keep it clean and dusted fairly well, use 3M pleated filters. Try to keep the humidity down to 50 or lower.

    Help, if anyone can suggest how to solve this please respond.

    MMD

  2. #2
    Join Date
    Mar 2005
    Posts
    997
    Sorry somebody coned you in to buying two UV lights. Now take that 3m filter and put it in the trash and buy you a standard pleat. Have you had the coil cleaned? Is the smell only in heating mode?

  3. #3
    Join Date
    Nov 2005
    Location
    deep south
    Posts
    12

    coil

    Actually it was my idea, in desperation over this happening now for the 3rd yr. in a row, to get two lights. The odor comes now with the cooling cycle. The pleated filter is what we are using.

    What type/brand filter do you recommend?

    Thanks for responding,

    MMD

  4. #4
    Join Date
    Mar 2005
    Posts
    997
    A 3 to 5 dollar pleat will work just fine!

  5. #5
    Join Date
    Nov 2005
    Posts
    37
    MMD, we have been having the same problems, since we replaced our old Bryant AC/coil with a new Trane in Aug '03.. Smell started Oct '04, Trane replaced coil with a second in Nov '04. It ran fine until this Oct '05. Now it's smelling again! I don't know what to do either. NO ONE seems to have an answer. We have had HVAC dealers, duct cleaners, mold remediation people, Trane reps., etc. all at our house....no one knows how it started nor how to fix it. Is your coil a Trane by any chance???

    Kevin

  6. #6
    Join Date
    Jan 2003
    Location
    Kentucky
    Posts
    2,651

    Cool

    there are special coils used to replace those that have been determined to have the dirty sock syndrome..the coils are teflon coated,and are designed to retard the growth...i have replaced 2 in only 15 years in the field,but it has solved the problem both times

  7. #7
    Join Date
    Nov 2005
    Posts
    37
    Originally posted by too tall terry
    there are special coils used to replace those that have been determined to have the dirty sock syndrome..the coils are teflon coated,and are designed to retard the growth...i have replaced 2 in only 15 years in the field,but it has solved the problem both times
    I have inquired with a Trane dealer about these coated coils. He is suppose to check with Trane and get back to me this coming week.

    MMD, have you checked into these coated coils?

    Kevin

  8. #8
    Join Date
    Nov 2005
    Location
    deep south
    Posts
    12

    DDSmell/Teflon Coated Coil

    No one has ever mentioned these coils to me. This may be because I have chemical allergies and they are afraid I will react to the teflon.

    Mine is happening the same time of year as yours. I wonder how safe the teflon coil is re: doesn't seem like it would off gas any teflon in the cooling season, but would there be any problem in the winter?

    I am so sick of thinking about the air handler and waiting every year for it to start over with the mold smell. There is never an visible mold showing (I may have said that before).

    I don't think throwing away my filter and getting a cheap pleated filter will solve the problem.

    Let me know about the teflon coil. I guess you or I would not know if it works if we get one put in, until next year at this time. This happens around Thanksgiving when we get a cold snap and have to freeze for days because it takes a while to get a new coil scheduled...



  9. #9
    Join Date
    Nov 2005
    Location
    deep south
    Posts
    12

    DDSyndrome

    Not a trane, but a bryant...

  10. #10
    Join Date
    Mar 2005
    Posts
    997

    Re: DDSmell/Teflon Coated Coil

    I don't think throwing away my filter and getting a cheap pleated filter will solve the problem.




    [/B][/QUOTE]
    No it will not fix the problem! But you will be closer to spect CFM

  11. #11
    Join Date
    Nov 2005
    Location
    deep south
    Posts
    12

    spec CFM

    "closer to spect CFM"

    I do not know what that means. Could it mean better air flow?

    Thanks,


  12. #12
    Join Date
    Nov 2005
    Location
    deep south
    Posts
    12

    Trane Coil

    Kevin,

    Is you unit a heat pump? Ours is. I am wondering if this is a problem that heat pumps have more than regular units. I've heard yes and no by dealers.

    Also, the filter type. I've been told the filter is good and not impeding air flow (not by the seller of the filter).

    Ghads

  13. #13
    Join Date
    Jan 2003
    Location
    Kentucky
    Posts
    2,651
    with DIRTY SOCK SYNDROME,homeowners will talk of an odor much like the smell of sweaty socks in a hamper,but this is usually during the defrost cycle,and not so much at the beginning of the heating season....you may simply be smelling the strip heaters burning off the summer build up that always tends to happen....to test this out,you might turn your t-stat to emergency heat setting and crank the heat all the way up,give the sequencers time to stage in the strip heaters and not only are you burning off any build up that might be present,you are also checking your back up/emergency heat...let the heat run for about 10-15 mins.,and any smelly build up should burn of for the heating season,also,the teflon coated coil is safe,....a good understanding of how and why a heat pump operates is critical to a home owner..i would suggest that you find a company in your area,and let them educate you....nothing meant by that all,it is just the more you know,the better off you are...good luck

    [Edited by too tall terry on 11-13-2005 at 08:20 PM]

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