Duct Cleaning in Morristown, NJ
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Eight months of heating pushes dust through your ducts
Your furnace runs October through May here, close to eight months of the year. That is eight months of air moving through the same ductwork, carrying dust and pet hair back through the system every time the burner kicks on. Over that many months, buildup settles into the bends and joints instead of just passing through.
Morris County has had 20 winter storms and 188 damaging wind events over the past ten years. Storms like that knock out power, and when the power drops the system stops moving air until it comes back on. Each restart pushes another round of air, and whatever is riding in it, through the same ducts.
- 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, so let a contractor look at your ducts before you decide. Ducts that stay dry and free of pests do not build up dirt fast enough to need cleaning very often. Get them checked sooner if you spot mold, notice a smell when the furnace or AC runs, or just had duct work done during a renovation.
- Is air duct cleaning worth it?
- It's worth it if your ducts actually have a problem, not on a fixed schedule. Dust blowing out of the vents, a musty smell, or signs of rodents in the ductwork are reasons to have them cleaned. Cleaning ducts that are already in decent shape will not lower your heating bills or make the air noticeably cleaner.
- What does air duct cleaning involve?
- A technician connects a vacuum system to your ductwork and uses brushes or air tools to knock dust and debris loose so it can be pulled out. Every supply and return vent gets opened and cleaned, along with the main trunk lines. The furnace or air handler itself, including the blower and coil, usually gets cleaned at the same time since that's where a lot of the buildup starts.

