If that moisture builds up and never gets a chance to dry out it can lead to mold growth.
What causes mold on air conditioner vents.
Mold in air vents.
Air conditioner vents can be breeding grounds for black mold.
It s as simple as that.
Black mold in your air vents can cause a variety of unpleasant symptoms and health problems.
You may also be able to see the presence of mold around drip pans air ducts and within intake vents.
Setting your ac on a very low temperature can sometimes lead to mold around the vents when the cool air from the vents meets the warm air in the room the temperature difference can cause moisture in the air to condense on surfaces in and around the vents.
Mold in air ducts most commonly occurs when there is moisture inside the ductwork.
If your air conditioning system and ductwork are clean then clean the vent cover.
One of the first signs that black mold is growing in your air vents is a distinct musty mildew like smell in specific rooms or even throughout your entire home.
The symptoms may vary from person to person and can also depend on the length of exposure and the amount of spores inhaled.
Symptoms to watch for.
Common causes of black mold in air vents.
As cool air flows through the vents on hot days the moisture in the air can condense inside the air vent.
You can see the same principle at work when you drink an icy beverage and water beads up on the outside of the glass.