When to Clean Your Dryer Vent: The Right Timing

The Baseline: Once Per Year

For most households, the right time to clean your dryer vent is once every 12 months. This is the minimum recommended by the National Fire Protection Association and aligns with the typical rate of lint accumulation for average residential dryer usage.

Choose a consistent month — many homeowners pick the beginning of winter or the transition to spring — and book annual professional cleaning as a recurring appointment. Consistency matters more than the specific month.

When You Should Clean More Often

Certain circumstances call for cleaning every 6 months rather than annually. Large households with frequent laundry — 3 or more loads per day — accumulate lint faster. Homes with pets whose fur gets into laundry will see faster buildup. Commercial properties and multi-unit residential buildings with high-volume dryer use should be on a 3 to 6 month schedule regardless of other factors.

If you recently moved into a home and don't know when the vent was last cleaned, schedule a cleaning immediately regardless of timeline.

Signs That Mean Right Now

Some signs indicate the vent needs cleaning immediately, not at the next scheduled appointment. A burning smell during drying means stop the dryer now and call for service before using it again. A d80 or higher Flow Sense warning on an LG dryer is an urgent signal. Clothes that are still damp after 90 minutes of drying indicate severely restricted airflow.

Never dismiss these signs as normal dryer behavior. They indicate a fire hazard is present.

After Long Gaps: What to Expect

If your dryer vent hasn't been professionally cleaned in more than 2 years, schedule service immediately. Long gaps in cleaning allow substantial lint buildup that can require more time and effort to fully remove. The technician may need to work from both ends of the duct. The results will be dramatic — you'll notice an immediate improvement in drying performance.