Black Spots On Flexible Ducts Attic Mold

As cool air flows through the vents on hot days the moisture in the air can condense inside the air vent.

Black spots on flexible ducts attic mold.

You may have black mold in your air ducts if you notice any of the following signs. Black dust around air vents. This is also why regular maintenance on the air conditioner is very important. Combine 1 cup of bleach with 1 gallon of water.

The black dust may be patchy and difficult to wipe off. Mold species such as stachybotrys chartarum which looks like slimy growth loves attic basement bathroom and space under the sink. If you notice black dust around your air vents this could be a sign of black mold growing within. Condenser coils pull moisture out of the air and into drip pans and if these become clogged they create the perfect environment for mold to grow.

Look for the first signs of mold around ac vents in the ducts and in the drip pans. Black mold has a distinctive unpleasant musty smell. Common causes of black mold in air vents mold in air ducts most commonly occurs when there is moisture inside the ductwork. Wipe the blades duct opening and the inside of the vent with a long flexible mop soaked in the bleach solution.

You do not have to do that every day. The mold infesting the system can gradually reduce the quality of how the ac works. You can see the same principle at work when you drink an icy beverage and water beads up on the outside of the glass. Black mold can also grow behind the walls or attic ceilings completely undetected until the occupants smell the presence or experience health problems.