Duct Cleaning in Bismarck, ND
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Step 1 of 3: Equipment
Nine months of heating pushes air through your ducts
Furnaces here run September through May, nine months of the year. On nights averaging 5°F, the furnace cycles on and off for hours to keep the house warm, and every cycle pushes air through the same ductwork.
Burleigh County has seen 27 winter storms and 96 damaging wind events over the past ten years. With most homes here owner-occupied, whatever settles in the ducts during those months is something the same household lives with, year after year, not a problem that turns over with new tenants.
- 9 months
- September through May, your furnace pushes air through your ducts
- 2 months
- July 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. Homes with pets, a recent renovation, or someone with allergies tend to need it more often than others. If you can see dust coming out of the vents when the furnace kicks on, that's a sign to get it looked at rather than wait.
- Is air duct cleaning worth it?
- It's worth it if there's a real reason behind it, like heavy dust, a musty smell from the vents, or work done on the house that left debris in the system. Cleaning ducts without any of those signs doesn't do much, since ducts that are sealed and working right don't collect much to begin with. A contractor can look at your system and tell you whether cleaning will actually help.
- What does air duct cleaning involve?
- A technician connects a vacuum to the duct system to pull dust and debris out under negative pressure, then uses brushes or air tools to loosen what's stuck to the inside of the ducts so it can be pulled out too. The supply and return vents, the main trunk lines, and the coil area near the furnace all get checked. The filter gets replaced or cleaned as part of the job, since it's the part actually filtering the air, not the ducts themselves.