A metal HVAC air handler with attached flexible and rigid ductwork installed in an unfinished attic with exposed wooden rafters and fiberglass insulation.

Duct Cleaning in North Plainfield, NJ

Tell us about your home, and a licensed contractor who covers Somerset County will get in touch.

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Step 1 of 3: Equipment

What kind of equipment?*

A flexible silver HVAC duct connects to a metal air handler unit mounted in an insulated attic with exposed wooden rafters and a circular gable vent.

Eight months of heating pushes air through your ducts

Your furnace runs October through May here, close to eight months a year. Every one of those months, the same ductwork moves the air through your house, and whatever settles inside rides along with it each time the furnace kicks on.

Winter nights in this area average 24°F, so on the coldest stretches the system is cycling often, pulling air through the same ducts again and again. Most homes in Somerset County are single-family and owner-occupied, the kind of house where one furnace serves the whole place and one duct system carries the load all season.

8 months: October through May, your furnace pushes air through your ducts
3 months: June through August, your air conditioner does the same

Isometric illustration of a cutaway house showing gray ductwork running through rooms with furniture, appliances and ceiling vents, under a dark shingled roof.

Your ducts carry heat October through May and cooled air June through August.

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NOAA nClimDiv, 1991–2020 normals

How often should air ducts be cleaned?: There's no fixed schedule that fits every home, so a contractor should look at your ducts to tell you what they need. If anyone in the house has allergies, or you've had work done that stirred up dust or debris in the ductwork, that's a reason to have them checked sooner. Homes here run the furnace October through May, so the ducts are moving air most months of the year, which gives dust more chances to settle in them.
Is air duct cleaning worth it?: It's worth it if you can see dust coming out of the vents, if a room never seems to get properly heated or cooled, or if someone in the house has ongoing allergy symptoms that ease up when they're away from home. Clean ducts do not fix a furnace that is running poorly, and dirty ducts do not usually cause a furnace to fail. If your main concern is the equipment itself, a contractor can tell you whether the ducts are the actual problem.
What does air duct cleaning involve?: A contractor connects a vacuum to the duct system to pull dust and debris out, then uses brushes or air tools to loosen buildup stuck to the inside of the ducts as they work through the system. They check the supply and return ducts, and usually the vent covers and the blower compartment too. The furnace filter gets replaced or cleaned separately, since the filter and the ducts are not the same thing.

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