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Gray Lint in House

Posted on 7/3/20 at 6:39 pm
Posted by lsuwins3
Member since Nov 2008
1621 posts
Posted on 7/3/20 at 6:39 pm
Year old a/c unit and brand new sealed ductwork. When dusting will have light gray lint even on bathroom floor. Anyone know what might be causing it.
Posted by humblepie
Member since May 2008
536 posts
Posted on 7/3/20 at 7:14 pm to
You have carpet or area rugs?
Posted by lsuwins3
Member since Nov 2008
1621 posts
Posted on 7/3/20 at 8:12 pm to
No. Can’t figure out where it would be coming from.
Posted by wickowick
Head of Island
Member since Dec 2006
45812 posts
Posted on 7/3/20 at 8:35 pm to
It’s not small pieces of blown insulation, huh?
Posted by awestruck
Member since Jan 2015
10944 posts
Posted on 7/3/20 at 8:36 pm to
The dryer vent OK?
Posted by lsuwins3
Member since Nov 2008
1621 posts
Posted on 7/3/20 at 8:57 pm to
Yes. Dryer in a separate building.
Posted by lsuwins3
Member since Nov 2008
1621 posts
Posted on 7/3/20 at 9:15 pm to
Thought it might be blown insulation but had all new duct work installed . Everything sealed that I can see.

They replaced everything in the attic and outside.
This post was edited on 7/3/20 at 9:22 pm
Posted by BlackSunshine
Member since Apr 2017
85 posts
Posted on 7/3/20 at 11:12 pm to
You don't have new towels do you? Even from the last year or so? My dark blue towels took about 2 years to quit leaving lint all over the bathroom, even on top the toilet and countertop.
Posted by gumbo2176
Member since May 2018
15149 posts
Posted on 7/4/20 at 7:16 am to
It's called dust. I've not lived in a house where dust wasn't present. If you have pets, it is compounded with hair loss.

It is way more prevalent in older homes. Make sure your A/C filter is swapped out regularly to prevent buildup and blowby.

I am waiting on a new, permanent A/C filter made of fine mesh metal in a metal frame that can be taken out, washed and blow dried before replacing and doing away with those pleated or spun filters. Better filters, better protection.
Posted by lsuwins3
Member since Nov 2008
1621 posts
Posted on 7/4/20 at 7:31 am to
No pets. And I replace the filter monthly. And just replaced the one in the unit in the attic. Lived here 22 yrs. Originally put it on cracks in a/c intake in attic, but I have brand new everything, replaced last summer.

Could it be pieces from the filter?

Posted by gumbo2176
Member since May 2018
15149 posts
Posted on 7/4/20 at 7:47 am to
quote:

Could it be pieces from the filter?


I doubt that or you'd see pieces missing from your filter when you change them.
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5267 posts
Posted on 7/4/20 at 9:11 am to
If you didn’t have this problem before the new HVAC and ductwork was installed it sounds as though there is a leak somewhere on the return air supply in the HVAC ducts or air handler (negative air pressure) in the attic pulling in attic dust and distributing it through the house.

Brand new system you have a 1 year labor warranty so give the HVAC company call and have them check it. If they are a good company with good experienced diagnostic HVAC techs and there is a air leak they will find and fix it.

Read this article LINK
This post was edited on 7/4/20 at 9:26 am
Posted by GBFINC
Member since Dec 2019
25 posts
Posted on 7/4/20 at 9:14 am to
Check attic stair door to make sure it is sealed and closed
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