If your dryer still takes too long to dry even after the vent has been cleaned, a dirty booster fan could be restricting airflow. Homes with longer dryer vent runs often rely on a booster fan to help move exhaust air all the way outside.
That fan works hard, and lint can build up around the fan blades and housing over time. Dryer Vent Wizard of Lake Forest and Gurnee cleans booster fans and checks the vent line afterward to help restore the airflow support the system depends on.