Duct Cleaning in Bloomington, IN
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Seven months of heating pushes a lot of air through your ducts
Your furnace runs October through April here, close to seven months of the year. Every one of those months, the same air cycles through your ductwork over and over, and whatever is riding in it settles along the way. Dust, pet hair, and the fine grit that comes in every time a door opens build up on the inside of the duct walls.
With winter nights averaging 24°F, that furnace is not running a little. It is running often, pushing air through ducts that have had all season to collect what settles out of it. A duct system carrying that buildup can restrict airflow to the rooms furthest from the furnace, and it recirculates what has settled every time the blower kicks on.
- 7 months
- October through April, your furnace pushes air through your ducts
- 4 months
- June through September, your air conditioner does the same
NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- There's no set schedule that fits every home. If nobody in the house has allergies, you haven't had a renovation, and you don't see dust building up around the vents, there's no reason to do it often. A contractor can look at the ductwork and tell you whether yours needs it sooner.
- Is air duct cleaning worth it?
- It's worth it if you have a specific reason, like dust that keeps coming back after cleaning, a musty smell from the vents, or someone in the house with allergies that flare up at home. It won't lower your heating bills or make your furnace run better, so don't do it expecting that. If none of those problems apply to you, there's little reason to spend money on it.
- What does air duct cleaning involve?
- A contractor connects a vacuum to the duct system and uses brushes or air tools to knock loose dust and debris from inside the ducts, then pulls it out through the vacuum before it can resettle. They'll also check the vents, the coil, and the blower compartment, since dust collects there too. A full job covers every supply and return duct in the house, not just a few vents near the furnace.