Flexible silver HVAC ducts and a metal air handler unit sit on a wood-framed attic floor covered with loose-fill fiberglass insulation.

Duct Cleaning in New Brunswick, NJ

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

Tell us about the job

It takes about a minute.

Step 1 of 3: Equipment
A reflective foil-insulated HVAC duct running through a dark attic, lit by sunbeams entering through a louvered gable vent.

Seven months of heat pushes a lot of air through those ducts

Your furnace runs October through April here, seven months of the year. On nights that average 26°F through the winter, it cycles on and off for hours at a stretch, and every cycle pushes air through the same ductwork. Dust, pet hair, and whatever settles in the return sit in those runs and get stirred up and recirculated all winter long.

When a storm knocks out power, as happened to 11% of New Jersey households for at least a day in 2024, the furnace sits idle and then kicks back on. That first cycle after a cold spell pushes whatever settled in the ducts back through the house.

7 months
October through April, your furnace pushes air through your ducts
4 months
June through September, your air conditioner does the same
Isometric cutaway illustration of a small house with a dark shingled gable roof, showing interior rooms with furniture, a furnace unit, and branching ductwork with round ceiling vents.
Your ducts carry heat October through April and cooled air June through September.

NOAA nClimDiv, 1991–2020 normals

How often should air ducts be cleaned?
There's no fixed schedule that fits every home, so watch for the signs instead. If anyone in the house has allergies, or you just finished a renovation that kicked up drywall dust and sawdust, that's a reason to clean them now. A musty smell when the furnace kicks on, or dust that seems to settle again the day after you clean, both mean it's time.
Is air duct cleaning worth it?
It's worth it when there's a real reason for it, not on a fixed schedule just to be safe. Visible dust coming out of the vents, a musty odor when the system runs, or debris you can see when you pull a vent cover are all reasons to have it done. Without any of those signs, most homes don't need it as often as people assume.
What does air duct cleaning involve?
A contractor connects a vacuum to the duct system and uses brushes or compressed air tools to knock loose dust and debris from inside the ducts, then pulls it out through the vacuum line. Every supply and return vent gets opened and cleaned, and the furnace or air handler itself often gets attention too since dust collects there. The job is done from inside the house, working room by room to reach every vent.