1. Dust Puffs Out When the System Turns On
Watch a supply register the moment the heat or air kicks on. If you see a small cloud of dust, or you can shine a flashlight into the vent and see a gray layer on the duct walls, your ducts are holding enough debris to blow it back into the room.
2. You're Dusting Constantly
Every home gets dusty, but if furniture is coated again a day or two after you clean, your ducts and filter may be recirculating dust faster than you can remove it.
3. Dirty, Fuzzy Vent Covers
Register louvers and return grilles that are matted with dust or pet hair, or dark streaks on the ceiling around vents, point to debris moving through the system.
4. Allergy Symptoms That Get Worse Indoors
If sneezing, congestion, or itchy eyes ease up when you leave the house and come back when you return, the air inside your home may be part of the problem. Ducts can hold pollen, dander, and dust mites that circulate every time the system runs.
5. A Musty or Stale Smell When the Air Runs
A musty odor coming from the vents can signal moisture and buildup in the ductwork, which is common in crawl-space and attic ducts during humid Tennessee summers. It's worth having the ducts inspected. If there's a moisture source, it needs to be fixed along with the cleaning.
6. You Recently Remodeled or Moved Into a New Build
Construction dust is one of the most common reasons we clean ducts. If the HVAC ran during the work, the debris is almost certainly in your system. See post-construction duct cleaning.
7. Rooms That Never Get Comfortable
Hot and cold spots have many causes, including undersized ducts, leaks, and closed dampers, but a heavily clogged duct run or return can restrict airflow to part of the house.
8. You Can't Remember the Last Cleaning
If it's been more than 5 years, or you have no idea because you bought the home, it's a good time to have the ducts checked. Most homes should be cleaned every 3 to 5 years. Read how often to clean air ducts.
Signs That Need More Than a Cleaning
Some issues call for an HVAC contractor or other specialist along with, or instead of, duct cleaning:
- Water dripping from ducts or registers
- Visible rust or crushed and disconnected ducts in the attic or crawl space
- Signs of rodents or insects in the ductwork (pests need to be removed first)
- Extensive visible growth inside ducts (the moisture source has to be found and fixed)
We'll point out anything like this during our duct inspection and tell you honestly what we can and can't fix.
Noticed two or more of these signs? Call (615) 857-5923 for a free quote on air duct cleaning in Murfreesboro.