What does excessive lint behind the dryer or at the termination hood indicate?

Excessive lint accumulation behind the dryer or at the termination hood is an indication that the duct is likely blocked by lint. This blockage can significantly impede airflow, which not only affects the dryer’s efficiency but can also pose a fire hazard. When the duct is restricted, lint cannot escape as intended, leading to buildup in areas where it should be cleared away, such as near the dryer or at the exhaust opening.

Proper ventilation requires that the ductwork remains clear to allow for adequate airflow, which is crucial for both the efficient operation of the dryer and for safety measures. Regular checks and maintenance of the duct system can help prevent such issues by ensuring that lint is effectively removed from these areas.