Duct Cleaning in Charleston, WV
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Seven months of heating pushes a lot of air through your ducts
Your furnace runs October through April here, seven months out of the year. Winter nights average 27°F from December through February, so the system is cycling on and off most nights just to keep up. All that time, the same ductwork is moving air through your house, and whatever is sitting in it moves too.
Power outages add to this. In West Virginia, 35% of households lost power for at least 24 hours in 2024, and Kanawha County has seen 16 winter storms and 259 damaging wind events over the past ten years. Every time the furnace shuts down and starts back up, it stirs up whatever settled in the ducts while it was off and pushes it back into the rooms you're heating.
- 7 months
- October through April, your furnace pushes air through your ducts
- 4 months
- June through September, your air conditioner does the same
NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- There is no fixed schedule that fits every home, so go by what you see and who lives there. Homes with pets, a smoker, or someone with allergies tend to need it more often, since dust and pet dander build up faster in the ducts. If a room stays dusty even after you clean it, or you can see buildup when you look inside a vent, that is a sign it is time.
- Is air duct cleaning worth it?
- It depends on what is actually in the ducts. If there is visible mold, heavy dust, or signs of pests inside them, cleaning solves a real problem. If the ducts look and smell fine and nobody in the house has new or worsening allergy symptoms, there may be little to gain from it. A contractor can look inside the ductwork with a camera and tell you what is there before you spend money on it.
- What does air duct cleaning involve?
- A contractor connects a vacuum to the ductwork and uses brushes or air tools to knock dust and debris loose from the duct walls, then pulls it out with negative pressure so it does not blow back into the house. The supply and return vents get cleaned too, and often the coil and blower housing on the furnace or air handler, since dust collects there as well. A complete job reaches every duct run in the house, not just the ones near an access panel.