Duct Cleaning in Boise City, ID
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Eight months of heat means eight months of dust moving through your ducts
Your furnace runs October through May here, close to eight months a year. Every time it kicks on, air pulls through the return duct, past the filter, and out through the supply runs to every room. Whatever the filter misses rides along and settles in the ductwork.
Ada County has seen 27 winter storms and 41 damaging wind events over the past ten years, and 11% of Idaho households lost power for at least 24 hours in 2024. A furnace that sits idle during an outage still has to push that first blast of air through the same ducts once the power comes back, stirring up whatever settled while it was off. Over eight months of regular runtime, that buildup can block airflow to some rooms and make the furnace work harder to heat the house evenly.
- 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's no fixed schedule that fits every home. Most homeowners have it done when something points to a reason, dust visibly blowing out of the vents, a musty smell when the furnace or AC kicks on, or after work that opened up the ductwork. Homes here run the furnace October through May, eight months a year, so a system that's due for a look gets used hard before you'd notice anything through a spring or summer break. A contractor can look at your ducts and tell you whether they need it now or can wait.
- Is air duct cleaning worth it?
- It's worth it when there's a real reason for it, like visible dust coming out of the vents, a musty smell when the furnace or AC runs, or known contamination from pests or a leak. It won't lower your energy bills or fix a furnace that isn't heating right. A contractor can look at your ducts and tell you whether cleaning will actually help your situation.
- What does air duct cleaning involve?
- A contractor connects a vacuum system to your ductwork, then uses brushes or air tools to knock loose dust and debris and pull it out through the vacuum. They'll go through the supply and return ducts, the vents themselves, and usually the coil area near the furnace or air handler. Some will also clean the blower and inspect for gaps or damage in the ducts while they're in there.