What Causes Mold On Air Conditioner Vents

Condensation forms in the coils and ducts as cool air circulates through the system creating a habitat for moisture loving mold.

What causes mold on air conditioner vents.

Common causes of black mold in air vents. 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. While mold on the air conditioning vents doesn t cause a health threat in itself it could indicate a mold contaminated air conditioning system. Air conditioner vents can be breeding grounds for black mold.

The symptoms may vary from person to person and can also depend on the length of exposure and the amount of spores inhaled. Mold in air ducts most commonly occurs when there is moisture inside the ductwork. It s as simple as that. 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 may also be able to see the presence of mold around drip pans air ducts and within intake vents. Common symptoms and health problems caused by black mold may include. If your air conditioning system and ductwork are clean then clean the vent cover.

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. If that moisture builds up and never gets a chance to dry out it can lead to mold growth.