It's a fire-safety service first
Dryer vent cleaning gets filed under "nice to have," but it's genuinely a fire-prevention measure. Lint is highly combustible, and it accumulates in the vent run faster than most homeowners realize — especially in Florida homes that run dryers year-round and have longer vent runs through interior laundry rooms.
The National Fire Protection Association recommends professional cleaning at least once a year. That single annual visit is one of the cheapest fire-prevention steps a household can take.
The efficiency payoff
A partially blocked vent makes your dryer work harder. Clothes take two or three cycles to dry, the appliance and laundry room run hot, and energy use climbs by 30% or more. Clearing the vent restores single-cycle drying and lets the dryer run cooler, which extends its lifespan.
After cleaning, a good technician verifies airflow with a velocity gauge to confirm the vent meets manufacturer specification — documented proof the line is fully open.
Warning signs you shouldn't ignore
Call sooner than your annual visit if clothes need more than one cycle to dry, the dryer or laundry room feels unusually hot, you smell burning during operation, or you see lint building up around the exterior vent flap. These all signal restriction that raises fire risk.