Duct Cleaning in Phillipsburg, NJ
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It takes about a minute.
Eight months of heating pushes a lot of air through your ducts
Your furnace runs October through May here, eight months of the year. On winter nights that average 21°F, it cycles on and off again and again to keep up, and every cycle pushes air through the same bends and joints in your ductwork. Dust and debris settle there between cycles, and the next cycle stirs some of it back into the air moving through your house.
Warren County has seen 20 winter storms and 167 damaging wind events over the past ten years. When storms like that cut power and the furnace shuts down and restarts, the airflow shift can knock loose whatever has settled in the ducts since the last time it ran.
- 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 is no set schedule that fits every house, but a good rule is to have them looked at every few years and cleaned when they need it. If anyone in the house has allergies, or you have pets shedding into the return vents, check them sooner. Homes here run the furnace 8 months of the year, October through May, so more air and dust move through the ducts than in a place with a shorter heating season.
- Is air duct cleaning worth it?
- It depends on what is going on in your ducts. If you can see dust building up around the vent covers, or a room never seems to heat or cool right, cleaning them can help air move the way it should. It will not fix a furnace or a leaky duct run on its own, so if you are having a specific problem, a contractor should look at the whole system first.
- What does air duct cleaning involve?
- A contractor runs a vacuum system connected to the ductwork, then uses brushes or air tools to knock loose dust and debris from inside the duct walls so the vacuum can pull it out. Every supply and return vent gets cleaned this way, along with the main trunk lines. The furnace or air handler often gets a cleaning at the same time, since it is part of the same air path.

