Once a year is the baseline
For most households, cleaning the dryer vent once a year keeps lint from building to a level that restricts airflow or feeds a fire. An annual cleaning is the standard interval for an average family running a few loads a week through a short, straight vent run.
Think of it less as housekeeping and more as fire prevention. Lint is highly combustible, and it collects steadily inside the vent line even when your lint trap looks clean — the trap catches only a fraction of what the dryer sheds.
When to clean every six months instead
Some homes generate lint far faster and should clean every six months. Move to a twice-a-year schedule if your household is large, if you run multiple loads a day, if you wash heavy or fuzzy items like towels and pet bedding often, or if you own shedding pets whose hair ends up in the wash.
Vent design matters just as much as laundry volume. A long run, several elbows, or a duct that travels up through the roof traps lint more readily than a short wall vent, so it clogs sooner. Interior laundry rooms — common in Florida floor plans — usually mean a longer path to the exterior and a shorter interval between cleanings.
The Florida factor
In the Tampa Bay area, dryers run hard all year, and the region's humidity works against fast drying. Damp outdoor air and a warm, moist laundry room mean clothes hold more water going into the dryer, so cycles run longer and shed more lint per load than they would in a dry climate. That extra runtime is why many Florida households land closer to the six-month end of the range.
Year-round use also means there is never a long off-season for lint to stop accumulating, so it is worth scheduling a cleaning on a fixed calendar reminder rather than waiting until something feels wrong.
Warning signs to clean sooner
Do not wait for the calendar if you notice the symptoms of a restricted vent. The clearest sign is clothes that need two cycles to dry, or that come out warm but still damp. Also watch for a dryer or laundry room that runs unusually hot, a burning or musty smell during operation, and visible lint piling up around the exterior vent flap or a flap that no longer opens fully.
Any of these means airflow is choked and heat is backing up — the exact conditions behind dryer fires. Tampa Duct Cleaners cleans the full run from the dryer to the exterior hood and verifies airflow with a velocity gauge for a flat $275, with no per-foot or add-on fees. Hales Comfort Club members save 20%.