Duct Cleaning in Winston-Salem, NC
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Seven months of heat running through the same ducts
Your furnace runs October through April here, seven months of the year. That's seven months of air moving through the same ductwork, picking up dust and pulling it back through the house every time the system cycles on. On winter nights averaging 30°F, the furnace is cycling often, and each cycle pushes more of that buildup through the vents.
Forsyth County has also seen its share of winter storms and wind events over the past decade. When storms knock out power, and 25% of North Carolina households lost power for at least a day in 2024, a system that sits idle can start back up and stir up whatever settled in the ducts while it was off.
- 7 months
- October through April, your furnace pushes air through your ducts
- 5 months
- May through September, your air conditioner does the same
NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- There's no set schedule that fits every home. If anyone in the house has allergies, or you've had a repair that left dust or debris in the lines, cleaning them sooner makes sense. Homes that just went through a renovation should have the ducts checked too, since drywall dust settles in and doesn't clear out on its own.
- Is air duct cleaning worth it?
- It's worth it when there's a real reason behind it, not just as a routine expense. If you're seeing dust building up fast around your vents, or someone in the house has unexplained allergy symptoms that ease up when they're away from home, that points to the ducts. It's also worth doing after pests get into the system or after a period where the vents were open during construction work. Without one of those signs, the ducts are probably doing their job.
- What does air duct cleaning involve?
- A contractor connects a vacuum system to your ductwork and uses brushes or air tools to loosen dust and debris from inside the lines, then pulls it all out through the vacuum. Each supply and return vent gets cleaned, along with the main trunk lines that run to them. The furnace or air handler itself usually gets a look too, since dust collects around the blower and coil just as it does in the ducts.