Soot stains at vents

Reply

  #1  
Old 12-23-07, 08:00 AM
Member
Thread Starter
Join Date: Dec 2007
Posts: 5
Soot stains at vents

I have the Honnywell gas furnace in the atic, last year i noticed soot stains in all the rooms at the sides of the forced air vents. Cleaned them all, now this year i started with a new air filter, and its doing the same thing, i had the gas company come out they inspected the furnace and said everything looks fine. Inside the house tested for carbon monoxide all ok. The guy did not know what was causing this. My thought is like a carbed engine too rich a mixture, but i looked at the flame in the furnace and it is blue color. The smart valve was replaced four years ago, because the unit was shutting off.
Any help thanks
 
Sponsored Links
  #2  
Old 12-23-07, 08:15 AM
Gunguy45's Avatar
Super Moderator
Join Date: Dec 2007
Location: USA
Posts: 21,103
Soot stains

Hi uksparky
It's probably not "soot" stains, just dust. I know, you have a new filter, but that doesn't get it all. To avoid the "lines" where the vents don't sit flush with the walls/ceiling. Go to your hardware/big box store, and find the thinnest, lowest density (ie: "squishyist") self adhesive weatherstrip foam you can. Put it all around under the vent lip where it contacts the wall/ceiling. This should solve your problem.

As to the filter, how often do you change it? What kind is it? I change mine monthly during the heating cooling seasons. Don't believe the 90 day claims from the high efficiency filters...45-60 is probably max, depending on how often your unit runs.

Best in 2008
 
  #3  
Old 12-23-07, 08:39 AM
Member
Thread Starter
Join Date: Dec 2007
Posts: 5
Originally Posted by Gunguy45 View Post
Hi uksparky
It's probably not "soot" stains, just dust. I know, you have a new filter, but that doesn't get it all. To avoid the "lines" where the vents don't sit flush with the walls/ceiling. Go to your hardware/big box store, and find the thinnest, lowest density (ie: "squishyist") self adhesive weatherstrip foam you can. Put it all around under the vent lip where it contacts the wall/ceiling. This should solve your problem.

As to the filter, how often do you change it? What kind is it? I change mine monthly during the heating cooling seasons. Don't believe the 90 day claims from the high efficiency filters...45-60 is probably max, depending on how often your unit runs.

Best in 2008
Thanks Vic
My filter is from wall mart the type that can adjust in size and wash clean, it has two layers one black other blue, i clean every month, the black part has all the dust, the blue looks clean. Plus i use duct tape on the edges to seal it in the intake.
 
  #4  
Old 12-23-07, 11:38 AM
Member
Join Date: Oct 2007
Location: SW Ohio
Posts: 59
Do you burn a lot of candles in the house? These will cause what you describe and a lot of time even worse conditions on your drywall and such.
 
  #5  
Old 12-23-07, 06:38 PM
SeattlePioneer's Avatar
Banned. Rule And/Or Policy Violation
Join Date: Jul 2007
Location: Seattle, Wa
Posts: 5,503
Originally Posted by cjett View Post
Do you burn a lot of candles in the house? These will cause what you describe and a lot of time even worse conditions on your drywall and such.


I agree that candles are a frequent cause of such problems. Also, just the volume of air being blown against walls can cause this.


The prime thing to verify would be sooting/carbon monoxide from the furnace itself, which was ruled out by the gas co repairman.

So I'd be looking at sontamination of your room air or just the volume of air flow causing the problem.
 
  #6  
Old 12-24-07, 10:25 AM
Member
Join Date: Dec 2007
Posts: 1
does your wife or yourself burn candles
they will cause what you have discribed

sorry just started and didnt roll down and see the other same posts
 
  #8  
Old 12-24-07, 11:46 AM
Gunguy45's Avatar
Super Moderator
Join Date: Dec 2007
Location: USA
Posts: 21,103
Ghosting

MT
Great links, more info than I can absorb at one sitting. Already save 'em to my "good info" folder.

Best in 2008
 
Reply

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread
Display Modes