Duct Cleaning in Lakeville, MN
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Eight months of heating pushes air through your ducts nonstop
Your furnace runs October through May here, eight months of the year. That is eight months of air moving through the same ducts, carrying dust, pet hair, and whatever else settles in the return before it gets pulled through the system again.
Winter nights averaging 10 degrees mean the furnace is cycling hard all season, not idling. More running time means more air moving, and more air moving means more buildup collecting on the walls of the duct. Dakota County has seen 37 winter storms and 56 damaging wind events over the past ten years, and homes that lose power during one still have that dust sitting in the ducts when the system starts back up.
- 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?
- There is no set schedule that fits every home. If anyone in the house has allergies, or you have had a rodent problem, water damage, or a renovation that kicked up dust, that is a reason to have them cleaned regardless of when they were last done. With the furnace running eight months of the year here, dust has more time to build up in the ductwork, so check the return vents between cleanings for a heavy layer of dust. A contractor can look inside the ducts and tell you whether there is enough buildup to warrant cleaning.
- Is air duct cleaning worth it?
- It is worth it when there is a real reason behind it, like dust coming out of the vents, a musty smell when the furnace or AC runs, or someone in the house dealing with allergies that seem worse at home. Cleaning ducts that are already in decent shape will not lower your heating bills or make your furnace last longer. A contractor can look inside the ductwork and tell you whether there is enough buildup to matter.
- What does air duct cleaning involve?
- A contractor connects a powerful vacuum to your duct system, then agitates the inside of the ducts with brushes or air tools to loosen dust and debris before it gets pulled out. Every supply and return vent in the house gets cleaned this way, along with the main trunk lines. The furnace blower and coil often get cleaned in the same visit, since they collect the same dust.