Duct Cleaning in Lexington-Fayette urban county, KY
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Seven months of heating pushes air through the same ducts
Your furnace runs October through April here, close to seven months of the year. On nights averaging 27°F, it cycles on and off for hours at a stretch, and every cycle pushes air through the same ductwork. Dust and whatever else is sitting in those ducts moves with it, into every room and back again.
Almost a quarter of Kentucky households lost power for at least a day in 2024, and this county has seen 14 winter storms and 108 damaging wind events over the past ten years. When the power drops and comes back, or a storm forces a home to close up tight, air stops moving the way it should and whatever is in the ducts has nowhere to go. In a county where most homes are single-family and owner-occupied, that buildup is something the people living there deal with, not a landlord.
- 7 months
- October through April, your furnace pushes air through your ducts
- 4 months
- June through September, your air conditioner does the same
NOAA nClimDiv, 1991–2020 normals
- How often should air ducts be cleaned?
- There is no fixed schedule that fits every house. What matters more is what is going on inside your ducts right now. Pets, a recent renovation, or someone in the house with allergies are all reasons to have them checked sooner rather than later. If you can see dust building up around the vents or notice a musty smell when the furnace or air conditioner kicks on, that is a sign to have a contractor look rather than wait.
- Is air duct cleaning worth it?
- It depends on what is going on in your ducts. If they are visibly dirty, you have had pests or water get into them, or dust keeps settling back on surfaces right after you clean, then clearing that out is worth doing. If the ducts look fine and nobody in the house has breathing trouble, cleaning them will not make the air noticeably different. A contractor can look inside the ducts and tell you whether there is enough buildup to matter.
- What does air duct cleaning involve?
- A contractor connects a vacuum system to the ductwork, then uses brushes or air tools to loosen dust and debris so it pulls into the vacuum instead of resettling in the ducts. They work through each supply and return vent one at a time and check the vent hood and connections while they are at it. The furnace or air conditioner coil sometimes gets cleaned in the same visit since it sits in the same airflow path.