All hot and cold air vents should be cleaned every 1 to 3 years, depending on the number of pets you have and how often you vacuum and dust your house. Look for dust build up on your vent and return covers to know if you're due for a cleaning. Our professional team at DuctsCare can help you get rid of dust, grime and other depositions in your vents. With our industry-grade equipment and expertise, we can bring about a noticeable change for better airflow and fresh indoor air.