Something similar happened at the office where I work. We first thought the dryer itself needed repairs, but the maintenance company found that the ductwork was heavily clogged. While I was looking into how commercial systems are maintained, I found info about Commercial duct maintenance Toronto — annual contracts available so we hired professional from commercial duct maintenance Toronto service to regular servicing instead of waiting until airflow becomes a problem. They showed us a few of the tools they were using, including inspection cameras, high-powered vacuums, air whips, and rotating brush systems. Watching the camera feed before and after the cleaning was pretty impressive because you could clearly see the difference.