- Black dust or spots around the vents
- Musty odor coming from the vents
- Allergy symptoms such as coughing, itchy eyes, and sneezing while in the home
- Visible mold growth inside the vents
If you are concerned about mold growing in your home, it’s important to pay attention to the signs that indicate its presence. One of the most common areas for mold to grow is in your vents. Here are a few things to look out for to determine if there is mold in your vents: