Duct Cleaning in Clarksville, TN
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Seven months of heating pushes air through the same ducts
Your furnace runs October through April here, seven months out of the year. On the cold nights, average around 30°F from December through February, it cycles on and off all night to keep up. Every one of those cycles pushes air through the same ductwork, and whatever is sitting in the ducts moves with it.
Montgomery County has had 13 winter storms and 103 damaging wind events over the last ten years. When storms knock out power, the system shuts down and starts back up when it returns, and each restart stirs up what has settled in the ducts since the last one. Dust and debris that build up in there get pushed into the rooms you're heating, all winter long.
- 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 fixed schedule that fits every home, so go by what you see and smell rather than a number of years. Homes with pets, a smoker, or someone with allergies tend to need it sooner than others. If you've had duct work done or a renovation that left dust behind, get them cleaned before the heat goes on for the season.
- Is air duct cleaning worth it?
- It's worth it if you're seeing dust building up fast, weak airflow from the vents, or a musty smell when the system runs. Clean ducts let your furnace and air conditioner move air the way they're built to, without extra strain from buildup inside the lines. If nobody in the house has allergy issues and the vents look clean when you check them, it may not be worth doing on a schedule.
- What does air duct cleaning involve?
- A contractor connects a vacuum system to your ductwork, then uses brushes or air tools to knock loose the dust and debris inside before it gets pulled out. Every supply and return vent gets opened and cleaned, along with the main trunk lines. The furnace or air handler itself, including the coil and blower, usually gets a look too, since that's where a lot of the buildup starts.