Duct Cleaning in Otsego, MN
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Nine months of heating pushes a lot of air through your ducts
Your furnace runs September through May here. That is nine months of air moving through the same ductwork, carrying dust, pet hair, and whatever else settles in the return before it gets pulled back through. On nights that average 8°F, the furnace is cycling often, and every cycle pushes more of that buildup along the duct walls and out through the vents.
Wright County has seen 26 winter storms and 65 damaging wind events over the past ten years, and storms like these knock out power. Minnesota households went without power for at least 24 hours in 13% of cases last year. When the furnace sits idle during an outage, dust and debris in the ducts settle rather than move, and once the power comes back the first thing that happens is all of it gets stirred up again and blown through the house.
- 9 months
- September 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?
- There's no fixed schedule that fits every home, but a contractor can tell you what your ducts look like once they're in there. If anyone in the house has allergies, or you've had recent work done that left dust behind, that's a reason to have them checked sooner. Homes here run the furnace from September through May, so ducts have air moving through them most of the year and dust builds up steadily rather than all at once.
- Is air duct cleaning worth it?
- It's worth it when there's a real reason behind it, not just on a schedule. Visible dust coming out of the vents, a musty smell when the furnace kicks on, or someone in the house dealing with unexplained allergy symptoms are all signs the ducts need attention. If none of that is happening, cleaning them won't make the air noticeably different.
- What does air duct cleaning involve?
- A contractor connects a vacuum system to the ductwork, then uses brushes or air tools to knock dust and debris loose from inside the ducts so it can be pulled out through the vacuum. The supply and return vents and the main trunk lines get cleaned, and often the furnace blower and coil as well. A contractor can walk through what your specific system needs before starting.