Duct Cleaning in Madison, SD
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Step 1 of 3: Equipment
Nine months of heating pushes a lot of dust through your ducts
Your furnace runs September through May in Lake County, nine months of the year. On winter nights averaging 9°F it cycles on and off for hours at a stretch, and every cycle pushes air through the same ductwork. Dust rides along with it and settles at the seams and the low points in the run.
Once that layer builds up, the furnace blows part of it back into the rooms every time it starts. The rest stays put, narrowing the path the air has to move through.
- 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 is no fixed schedule that fits every home. Homes with pets, a smoker, or someone with allergies tend to need it more often than others. If you see dust building up around the vent covers or the air feels heavier than it should, that is reason enough to have them looked at rather than wait.
- Is air duct cleaning worth it?
- It depends on what is actually in the ducts. If there is visible dust, pet hair, or debris coming out of the vents when the system runs, cleaning them makes a real difference to the air moving through your house. If the ducts look clean and nobody in the house has allergy or breathing trouble, the payoff is smaller. A contractor can look inside the ducts with a camera and tell you honestly whether it is needed before you spend money on it.
- What does air duct cleaning involve?
- A contractor connects a powerful vacuum to the duct system, then uses brushes or air tools to knock dust and debris loose from the inside so it gets pulled into the vacuum instead of blown into your rooms. The supply and return vents, the main trunk lines, and often the blower compartment all get cleaned this way. Afterward the vent covers get wiped down and put back, and the system should run without releasing a cloud of dust the first time it kicks on.