Dryer Vent Airflow Drops After Laundry Room Door Replacement: Pressure Balance Checks

Run a timed dry cycle and observe exterior flap movement, exhaust pulse strength, and unusual noise. Check transition duct bends, clamp tension, and visible lint around seams.

Treat burning odor, repeated overheating, weak outside airflow, or lint rebound after recent service as urgent signs that need immediate correction.

Call a pro if symptoms return quickly, if vent sections are concealed, or if exterior access is unsafe. Airflow verification helps avoid guesswork and repeat repairs.