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  #1  
Old 7/27/09, 8:24 PM
William E. Siegel William E. Siegel is offline
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Default Black air filter

Any ideas on why this air filter would turn black within a week. The air handler was recently inspected by a licensed AC and given the thumbs up. The coils are a little damaged but were not dirty. FYI - this is in a first floor condominium. There was / is a problem with the tub leaking upstairs. Instead of correcting the problem, they just stopped using the tub. There has been no recent construction or any open areas where dust could come in. All of the walls and ceilings were checked with both a thermal imaging camera and moisture meter and everything came up dry. There is a cat and a dog in the home but there were no hairs on the filter or coils. Ideas are appreciated.
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  #2  
Old 7/27/09, 8:35 PM
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Jeffrey R. Jonas Jeffrey R. Jonas is online now
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Default Re: Black air filter

Hmmm...Chinese Drywall ??? (Just kiddin', maybe)



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  #3  
Old 7/27/09, 8:38 PM
William E. Siegel William E. Siegel is offline
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Default Re: Black air filter

No, unit was built about 20 years ago. The only drywall that was changed in the the unit was the tub walls, and there are no other symptons.

Last edited by wsiegel; 7/27/09 at 8:39 PM.. Reason: finish thought
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  #4  
Old 7/27/09, 8:42 PM
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David P. Valley David P. Valley is offline
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Default Re: Black air filter

Is the furnace oil fired?
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  #5  
Old 7/27/09, 8:54 PM
Larry Kage, CMI Larry Kage, CMI is offline
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Default Re: Black air filter

Is the water heater in the same room?

Is it gas, etc? Is there soot rust on that burner? Does it ignite slowly?




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  #6  
Old 7/27/09, 9:00 PM
William E. Siegel William E. Siegel is offline
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Default Re: Black air filter

This is Florida. There is no furnace. The water heater is located under the air handler. It is electric.
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  #7  
Old 7/27/09, 9:03 PM
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Steven C. Waskewicz, CMI Steven C. Waskewicz, CMI is offline
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Default Re: Black air filter

Perchance did you scratch it with a fingernail?
Did you smell it?
What did it seem like?





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  #8  
Old 7/27/09, 9:08 PM
William E. Siegel William E. Siegel is offline
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Default Re: Black air filter

Stupidly I did not scratch it.
It did not have any smell
I did shake it, but nothing came out.
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  #9  
Old 7/27/09, 9:27 PM
Larry Kage, CMI Larry Kage, CMI is offline
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Default Re: Black air filter

Is the garage attached?

You may want to check around that entry door and other places like this:

http://www.your-leaking-house.com/si...ic,1055.0.html




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  #10  
Old 7/27/09, 9:33 PM
William E. Siegel William E. Siegel is offline
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Default Re: Black air filter

There is no garage, this is a condo.
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  #11  
Old 7/27/09, 9:39 PM
Larry Kage, CMI Larry Kage, CMI is offline
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Default Re: Black air filter

Quote:
Originally Posted by wsiegel View Post
There is no garage, this is a condo.
Around here condos have garages, mostly.

Oh, well, out of ideas for you. Good luck.




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  #12  
Old 7/27/09, 9:44 PM
William E. Siegel William E. Siegel is offline
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Default Re: Black air filter

I know. Thanks.
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  #13  
Old 7/28/09, 8:58 AM
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David P. Valley David P. Valley is offline
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Default Re: Black air filter

Did you taste it?
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  #14  
Old 7/28/09, 9:09 AM
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Wayne B. Wilson, TN 439 Wayne B. Wilson, TN 439 is online now
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Default Re: Black air filter

Is it a washable filter? and how close to the salt water are you
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  #15  
Old 7/28/09, 9:29 AM
William E. Siegel William E. Siegel is offline
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Default Re: Black air filter

Wayne,

Its a disposable filter.
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