Duct Cleaning in Stevens Point, WI
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Nine months of heating pushes a lot of air through your ducts
Your furnace runs September through May here. Every one of those months it is pushing air through the same ducts, and dust, pet hair, and whatever else is in the house travels with it and settles in the bends and runs where the airflow slows down. On nights that average 10°F, the furnace is cycling on and off often, moving that air again and again.
Wisconsin's storms add to what is in the system. With 27 winter storms and 44 damaging wind events recorded here over the past ten years, and 18% of the state's households losing power for a day or more in 2024, furnaces get shut down and started back up more than they would in a calmer climate. Each restart stirs up what has settled in the ducts and pushes it back into the house.
- 9 months
- September through May, your furnace pushes air through your ducts
- 2 months
- July through August, your air conditioner does the same
NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- There is no fixed schedule, it depends on what is building up inside them. If someone in the house has allergies, or you just finished a remodel that left dust behind, cleaning sooner makes sense. Homes with pets or a history of rodents in the ductwork tend to need it more often too. A contractor can look inside your ducts and tell you whether there is enough buildup to bother with.
- Is air duct cleaning worth it?
- It is worth it when there is a real reason behind it, not just as routine upkeep. If you can see dust kicking out of the vents, if a register has visible mold, or if you just had construction work done in the house, cleaning solves an actual problem. Ducts that are heating and cooling the house fine, with no dust or odor issue, do not need it on a schedule. A contractor can look at your system and tell you whether there is buildup worth removing.
- What does air duct cleaning involve?
- A contractor connects a vacuum system to the ductwork and uses brushes or air tools to knock loose dust and debris, then pulls it out through the vacuum. Each supply and return vent gets cleaned this way, and the main trunk lines get the same treatment. The furnace or air handler itself, including the blower, usually gets cleaned at the same time since it is part of the same air path. Once the ducts are clear, the filter that was catching dust before still needs replacing on its own schedule.