Duct Cleaning in La Crosse, WI
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Eight months of heating leaves ductwork with a lot to hold
Your furnace runs October through May here, eight months out of twelve. On the nights that average 12°F from December through February, it runs long and often to keep the house warm, and all that moving air carries dust that settles in the ducts, along the seams and in the bends where the airflow slows down.
La Crosse County has seen 21 winter storms and 100 damaging wind events over the past ten years, and storms like these knock out power. When the power drops, the furnace stops moving air, and whatever is sitting in the ducts stays put until it comes back on. Over eight months of heating, that buildup works against the furnace, forcing it to push air through ducts that are carrying more than they should.
- 8 months
- October through May, your furnace pushes air through your ducts
- 3 months
- June through August, your air conditioner does the same
NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- Most homes do fine having their ducts cleaned every few years. Yours might need it sooner if you have pets, if anyone in the house has allergies, or if you just finished a remodel that kicked up drywall dust. If nobody in the house says anything about air quality and there's no visible dust coming out of the vents, you can wait longer between cleanings.
- Is air duct cleaning worth it?
- It's worth it when there's a real reason behind it, not just as routine upkeep. If you're seeing dust settle again soon after cleaning, or a musty smell when the furnace kicks on, or someone in the house is dealing with unexplained allergy symptoms, cleaning the ducts can help. Cleaning ducts that are already in decent shape won't lower your heating bills or make your furnace run better, so the value depends on what's actually going on in your house.
- What does air duct cleaning involve?
- A contractor connects a vacuum system to your ductwork and uses brushes or air tools to knock dust and debris loose so it can be pulled out. They'll open the supply and return vents throughout the house to reach as much of the duct run as they can, and check the coil and blower housing since dust collects there too. A good job covers the whole system, not just the parts you can see from the vent opening.