Duct Cleaning in Grand Rapids, MI
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Eight months of heating leaves a mark on your ducts
Your furnace runs October through May here, close to eight months of the year. On the cold nights in that stretch, the ones that average 19°F through winter, it runs long and often to keep the house warm. All that air moving through the ducts carries dust with it, and over eight months that dust settles in the runs and around the register boots.
Power does not always stay on through that stretch. Kent County has logged 15 winter storms and 56 damaging wind events over the past ten years, and across Michigan a third of households lost power for at least a day in 2024. Each time the furnace shuts down and starts back up, air stops moving through the ducts and starts again, and the dust riding along settles out a little more. Ducts that sit full of it feed that same dust back into the house every time the furnace kicks on.
- 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 don't need duct cleaning on a set schedule. If anyone in the house has allergies, or you've had renovation work that left drywall dust or insulation debris in the ducts, it's worth doing sooner rather than later. Homes with pets often need it more often too, since fur and dander build up in the supply runs. If you see dust kicking out of the vents when the furnace or air conditioner runs, that's a sign to have it looked at.
- Is air duct cleaning worth it?
- It depends on what's going on in your ducts right now. If there's visible mold, a pest problem, or heavy dust and debris built up after renovation work, cleaning them is worth doing. If the ducts are just doing normal duty and nothing looks or smells off, cleaning won't make the air noticeably cleaner or cut your heating and cooling costs, despite what some ads promise. A contractor can look at the ductwork and tell you honestly whether it needs the work or whether your money is better spent on a new filter and regular furnace maintenance.
- What does air duct cleaning involve?
- A contractor uses a brush and a high-powered vacuum to loosen and pull dust, debris, and buildup out of the supply and return ducts. Each vent gets sealed off one at a time so the vacuum can pull negative pressure through the system and nothing gets pushed back into the room. The furnace or air handler itself usually gets attention too, since dust collects around the blower and coil. A thorough job covers every duct run in the house, not just the ones you can easily reach.