Why is black dust coming from vents?

Mold Symptoms in Your Vents: How to Recognize Them If you notice black spots or black dust around air vents, mold is most likely growing inside. These black spots are typically difficult to remove, and if they have a wet, slimy texture, this is another sign of black mold. Mold is a fungus that can […]

How to Spot Mold in Your HVAC System Mold is a common problem in homes, and it can be especially difficult to detect in air ducts. There are a few key signs that you may have a mold problem in your air ducts: a distinct musty or mildew-like odor throughout the house, coughing and sneezing