Yes, there are indeed potential dangers associated with not cleaning out the lint from your clothes dryer's exhaust duct regularly. Failure to clean the lint can pose risks to both fire safety and the efficiency of drying time. Here are the reasons why:
Fire hazard: Lint is highly flammable, and when it accumulates in the exhaust duct, it can become a significant fire hazard. The hot air produced by the dryer can ignite the lint, leading to a lint fire. According to the U.S. Fire Administration, lint buildup in dryers and dryer vents is a leading cause of residential fires.
Restricted airflow: When the exhaust duct is clogged with lint, it restricts the airflow from the dryer. Restricted airflow hampers the dryer's efficiency by reducing its ability to expel moisture-laden air. As a result, it takes longer for your clothes to dry, and the dryer may require multiple cycles to complete the drying process. This inefficiency can also lead to increased energy consumption and higher utility bills.
To prevent these potential issues, it is important to clean the lint trap/screen after each drying cycle and perform regular maintenance on your dryer's exhaust system. This includes cleaning the exhaust duct, vent, and any other components according to the manufacturer's guidelines. It's recommended to have a professional inspect and clean the dryer vent system at least once a year, or more frequently if you notice any signs of reduced performance or if you use your dryer extensively.
By maintaining a clean and well-functioning dryer exhaust system, you can significantly reduce the risk of fire and ensure that your dryer operates safely and efficiently.