What Causes Black Mold In Ac Ducts

Water vapor can form within the duct system when cold air passes through and when there is high water vapor content in the outside environment the water droplets usually collect instead of.
What causes black mold in ac ducts. With black mold growing in your air ducts you may notice symptoms like itchy eyes and sneezing growing worse when you re indoors particularly when you re running the ac. Mold on duct board trunk line flir photo of molding supply trunk line. Mold especially grows on the cold spots that create condensation. Mold in air ducts most commonly occurs when there is moisture inside the ductwork.
If there is black mold growing in your air vents you may notice a musty aroma when you run your ac. Cures for mold on duct board trunk lines. Moisture and warm temperatures. That s why it s common for mold to form in or around your ac system and ducts.
A warm humid environment has the ideal conditions for mold to form. Common causes of black mold in air vents. This is also why regular maintenance on the air conditioner is very important. The relationship between the velocity of the air and the number of particles found in the air is what causes this phenomenon.
A humid climate along with poor ventilation or anything that traps moisture in your walls and causes condensation can lead to mold in air ducts. Mold on flex ducts that are touching moldy flex duct. Hire a mold remediation specialist. Replace duct board with properly sized ducts.
You can see the same principle at work when you drink an icy beverage and water beads up on the outside of the glass. The mold infesting the system can gradually reduce the quality of how the ac works. Eliminate cold air leakage. What causes mold infestation in the hvac air ducts.
Another side effect of black mold in air ducts is making the air become less cool and more humid. As cool air flows through the vents on hot days the moisture in the air can condense inside the air vent. Black mold has a distinctive unpleasant musty smell. A warm location with high water vapor content is particularly prone to mold buildup within the ducts.
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. Mold grows in ductwork when two things are present. Air conditioner vents can be breeding grounds for black mold. You may also be able to see the presence of mold around drip pans air ducts and within intake vents.