So why else does carpet get so dirty.
Why does carpet get dirty around air vents.
The air that enters the room from the supply vent comes in at such a high velocity that it creates turbulence in the air.
That s why it s important to periodically check the condition of your air ducts to see if they could use air duct cleaning services.
There a few sources that can be responsible for dirt streaking around ac vents but the most common source is actually the room where the streaking is occurring.
The carpet acts as a filter gathering the dirt from the air.
When black mold grows on walls floors carpets and so on it s relatively easy to spot.
Furthermore every time you cook in your kitchen oils get airborne that eventually land in your carpet.
Any pollutants in the air are trapped by the carpet and turn the carpet gray or black in that area.
Air filters remove most of these from the air stream but not for all parts of the hvac system.
Every time you walk inside your shoes track in soil.
If you re waking up with a scratchy throat itchy eyes or can t stop sneezing poor air quality could be part of the problem.
Frequent vacuuming daily or every other day can help as.
The proof is in the carpet.
Oil from the driveway fertilizer from the lawn pollen in the grass and everything you step upon gets tracked in on your carpet.
One of the main contributors to dirt streaking is the turbulence of the conditioned air coming out of a supply vent.
You can find evidence of filtration soiling anywhere airflow is restricted near carpeting.
As the air is forced through these gaps it passes through the carpet which acts as a filter to the air.
Common pollutants that can contribute to the problem include smoke from cigarettes and candles cooking oils fireplace ash and dust.
Top 5 dirty air duct indicators.
However when black mold starts growing in your air vents things get a little trickier.
When air leaves a supply vent it is coming out at a high velocity due to being squeezed through the louvers of the vent.
When contaminants flow through your ventilation system the dirty air blows into the various rooms of your home.