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Air quality guide

Signs your air ducts need cleaning

Ductwork is out of sight, so it is easy to forget. These are the signals that the air moving through your home is carrying more than it should.

What to look for

Six signs it is time

If one or more of these sounds familiar, your ducts are due for a cleaning.

Visible dust blowing from vents

Puffs of dust when the system kicks on, or grimy buildup on the vent covers, means the ductwork behind them is dirty too.

Worsening allergies or asthma

If symptoms flare indoors, recirculated dust, dander, and pollen in the ducts are often part of the problem.

Dust returns right after cleaning

If surfaces get dusty again within a day or two of cleaning, your system is likely redistributing it.

Musty or moldy smell

A persistent musty odor when the HVAC runs can point to mold or mildew growth inside the ducts.

Pets in the home

Pet hair and dander build up quickly in ductwork and circulate through every room.

Recent renovation or a new home

Construction dust and debris settle deep in ducts. New-to-you homes may never have been cleaned.

Why it matters

Cleaner ducts, cleaner air, lower bills

Your HVAC system pulls air in, runs it past dust and dander collected in the ductwork, and pushes it back out into every room. Cleaning the ducts breaks that cycle, so there is simply less to breathe.

There is an efficiency angle too. When ducts and registers are caked with debris, your system works harder to move air, which can show up on your energy bill. Clean ducts let it run the way it was designed to.

Fresh Air Vents uses a 7,000 CFM truck-mounted vacuum, far more powerful than the portable units many companies rely on, to pull buildup out at the source. See our pricing, our services, or why a clean dryer vent matters for fire safety.

Good to know

Air duct cleaning FAQs

Still have a question? Call us at 651-425-1678.

How do I know if my air ducts need cleaning?

Common signs are visible dust blowing from the vents, dust that returns quickly after cleaning, worsening allergy or asthma symptoms indoors, a musty smell when the system runs, pets in the home, or a recent renovation. If your ducts have never been cleaned, that alone is a good reason to start.

How often should air ducts be cleaned?

Most homes benefit from air duct cleaning every 3 to 5 years. Clean sooner after a remodel, a pest problem, or if anyone in the home has allergies or asthma.

Does duct cleaning help with allergies?

It can. Removing the dust, dander, and pollen trapped in ductwork means less of it recirculates through your home every time the system runs, which many allergy sufferers notice.

How much does air duct cleaning cost?

Air duct cleaning starts at $499 for a home with up to 2 bedrooms and 2 bathrooms, plus $99 per extra bedroom and $49 per extra bathroom. See our pricing page for the full breakdown.

Ready to breathe a little easier?

Book air duct cleaning online in under a minute, or call and talk to a local.