Excessive humidity in a room often manifests through visible signs like condensation on windows or walls, a musty or damp odor lingering in the air, peeling wallpaper or paint, and the presence of mold or mildew. Experiencing discomfort due to a consistently clammy or sticky feeling can also indicate high humidity levels.

There are several signs that your ducts might be clogged, such as encountering more dust in your home, dirty air vent covers, airflow and temperature changes from room to room, noticeable mold growth, and higher energy bills. If you notice these signs, shine a flashlight down your ducts and inspect for clogs or blockages.

Yes, you can clean AC coils yourself. Just make sure that the power to your AC system is off before you begin. You’ll need some basic tools and supplies, including a soft brush, cloth, screwdriver, and a commercial or homemade cleaning solution. Cleaning your coils will only cost about $10.

If you just moved into a new house or found significant mold, dust, or pest remnants in your vents, or you see condensation on your air vents, you can easily find a highly trained pro to do the job correctly by asking a few key questions:

• Do you have proof of liability insurance?

• What about worker's compensation insurance?

• Are you a member of the NADCA?

• Have you worked on my model of HVAC system before?

• What is included in your contracted amount?

• Can you provide local references?