Duct Cleaning in Rapid City, SD
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Step 1 of 3: Equipment
Nine months of heating pushes a lot of air through your ducts
Your furnace runs September through May here, nine months of the year. Every one of those months, your ducts are moving air through the house, and whatever is riding in that air settles out along the way.
Winter nights averaging 13°F mean the furnace is working through some hard, sustained stretches, not just quick bursts. Pennington County has also seen 167 winter storms in the past ten years. Through all of that, the same ductwork keeps circulating the same air, carrying whatever has built up inside it.
- 9 months
- September through May, your furnace pushes air through your ducts
- 3 months
- June through August, your air conditioner does the same

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NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- There's no fixed schedule that fits every home, so a contractor should look at your ducts before you settle on a timeline. If anyone in the house has allergies, or you've had a remodel that left dust behind, that pushes the timeline sooner. Homes here run their furnace September through May, so ducts have a long stretch each year to collect dust and pet hair.
- Is air duct cleaning worth it?
- It's worth it if your ducts are visibly dirty, dust settles fast after you clean the house, or you've had rodents or a remodel that left debris behind. It won't lower your heating bill or fix a furnace problem. What it does is cut down on the dust blowing into your rooms every time the system runs.
- What does air duct cleaning involve?
- A contractor connects a vacuum to your duct system and uses brushes or air tools to knock loose dust and debris from the inside of the ducts, then pulls it out through the vacuum. The vents, the return grilles, and sometimes the furnace blower get cleaned too since they're part of the same air path. A good job leaves nothing behind in the ducts that could get pulled loose and blown into a room later.

