Dryer vent cleaning is the process of removing lint, dust, and other obstructions from your dryer vent. Your dryer vent is the duct that connects your dryer to the outside of your home or business. It allows the hot air and moisture from your dryer to escape outside. Over time, your dryer vent can become clogged with lint, dust, and other debris that can reduce the airflow and efficiency of your dryer. You may need dryer vent cleaning if you notice any of the following signs: