Duct Cleaning in Charlotte, NC
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Step 1 of 3: Equipment
Seven months of heating pushes a lot of air through your ducts
Your furnace runs October through April here, seven months of the year. Every hour it runs, it pulls air through the same ductwork and pushes it back into your rooms. Dust and whatever else is in that air settles inside the ducts over those months, especially in the bends and low points where airflow slows down.
Mecklenburg County has seen 122 damaging wind events and 6 winter storms over the past ten years. A quarter of North Carolina households lost power for at least 24 hours in 2024, and when the furnace sits idle during an outage like that, the air in the ducts sits still with it.
- 7 months
- October through April, your furnace pushes air through your ducts
- 5 months
- May through September, your air conditioner does the same
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NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- There's no fixed schedule that fits every home. Homes with pets, a recent renovation, or someone with allergies usually need it more often than others. If dust keeps settling again soon after you clean a room, or you notice dust coming out of the vents when the system kicks on, that's a sign it's due.
- Is air duct cleaning worth it?
- It's worth it if your ducts are actually dirty, not just because time has passed. Signs it matters include dust settling again soon after you clean a room, a musty smell when the furnace or AC runs, or visible debris at the vents. If the ducts look clean and the house doesn't have a dust problem, cleaning them won't change much.
- What does air duct cleaning involve?
- A contractor connects a vacuum system to the ductwork and uses brushes or air tools to knock debris loose so it can be pulled out, working through each supply and return vent in the house. The registers and grilles get cleaned too, along with the coil area if it's accessible. A thorough job checks the furnace or air handler itself, since dust collecting there feeds right back into the ducts.