As cool air flows through the vents on hot days the moisture in the air can condense inside the air vent.
What causes mold in ac vents.
You may also be able to see the presence of mold around drip pans air ducts and within intake vents.
Condensation forms in the coils and ducts as cool air circulates through the system creating a habitat for moisture loving mold.
Mold in the hvac ductwork while the mildew on the hvac vents does not present an immediate health risk the possibility exists for an underlying issue within the ductwork itself.
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.
If that moisture builds up and never gets a chance to dry out it can lead to mold growth.
Mold in air vents.
Mold in air ducts most commonly occurs when there is moisture inside the ductwork.
However just because mold is not dangerous when present on the vents it does not mean mold inside of the vents can t cause occupants in the home harm.
You can see the same principle at work when you drink an icy beverage and water beads up on the outside of the glass.
Symptoms to watch for.
Common symptoms and health problems caused by black mold may include.
Air conditioner vents can be breeding grounds for black mold.
Common causes of black mold in air vents.