So why else does carpet get so dirty.
Why does carpet get dirty around air vents.
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.
Frequent vacuuming daily or every other day can help as.
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 air that enters the room from the supply vent comes in at such a high velocity that it creates turbulence in the air.
Mold can be one of the negative effects of floods or can indicate a problem with your air conditioning system.
Any pollutants in the air are trapped by the carpet and turn the carpet gray or black in that area.
While clean and efficient air vents won t recirculate this through your home air conditioning or heating units burdened with excess dust could be recirculating pollen and other debris.
Common pollutants that can contribute to the problem include smoke from cigarettes and candles cooking oils fireplace ash and dust.
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.
When contaminants flow through your ventilation system the dirty air blows into the various rooms of your home.
You can find evidence of filtration soiling anywhere airflow is restricted near carpeting.
When air leaves a supply vent it is coming out at a high velocity due to being squeezed through the louvers of the vent.
As the air is forced through these gaps it passes through the carpet which acts as a filter to the air.
However when black mold starts growing in your air vents things get a little trickier.
The dirt from shoes and pet paws and particles in the air that settle into carpet fibers can be a major contributor to dust in the home.
When black mold grows on walls floors carpets and so on it s relatively easy to spot.
Oil from the driveway fertilizer from the lawn pollen in the grass and everything you step upon gets tracked in on your carpet.
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.
Furthermore every time you cook in your kitchen oils get airborne that eventually land in your carpet.
The carpet acts as a filter gathering the dirt from the air.