As cool air flows through the vents on hot days the moisture in the air can condense inside the air vent.
Black mold on air conditioner vents.
Black mold has a distinctive unpleasant musty smell.
How to remove mold from air conditioner ducts.
Air conditioner vents can be breeding grounds for black mold.
Black mold or stachybotrys chartarum is a greenish black mold that grows on materials such as fiberboard gypsum board paper lint and dust when there is moisture from water damage excessive humidity water leaks condensation water infiltration or flooding.
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.
You can see the same principle at work when you drink an icy beverage and water beads up on the outside of the glass.
Condensation forms in the coils and ducts as cool air circulates through the system creating a habitat for moisture loving mold.
Removing black mold can be a challenge and is very time consuming.