Duct Cleaning in Shelbyville, KY
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Your ducts work hard for seven months straight
Furnaces in Shelby County run October through April, and on winter nights that average 26°F, the blower is moving air through those ducts most of the day. Dust and pet hair get pulled in and pushed through the system on that schedule, month after month, and it settles in the bends and joints where the airflow slows down.
Most homes in the county are single-family houses people own rather than rent, and 24% of Kentucky households lost power for at least a day in 2024. When the furnace shuts off and restarts after an outage, or when a winter storm knocks it out, the system can push loose buildup further through the ducts once it comes back on. Over years, that buildup narrows the space air moves through and makes the furnace work harder to heat the same rooms.
- 7 months
- October through April, your furnace pushes air through your ducts
- 5 months
- May through September, 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. If anyone in the house has allergies, or you've had a repair that left dust or debris behind, it's worth doing sooner rather than later. Pets and recent renovation work also mean the ducts collect more than usual, so a look at their condition is the better guide than a calendar.
- Is air duct cleaning worth it?
- It's worth it when there's a real reason behind it, not just as routine upkeep. Dust coming out of the vents, a musty smell when the furnace or AC kicks on, or known rodent or pest activity in the ducts are all signs that cleaning solves an actual problem. Without signs like these, it won't do much for your air quality or how your furnace runs.
- What does air duct cleaning involve?
- A contractor uses brushes and a high-powered vacuum to loosen and pull dust and debris out of the supply and return lines. Each vent is opened and cleaned on its own, and the main trunk lines get the same treatment. Grilles and registers are usually wiped down or washed, and the furnace or air handler gets checked too since that's where the ducts connect.