Every few years I have my clothes dryer ducts cleaned (32 feet of ductwork) and I’ve never had a company take so much care in ensuring the dryer and its vent were properly connected and put back properly! Other companies seemed to provide form over substance; they’d get the job done but didn’t seem to take into consideration the effectiveness of the airflow. Sonic tested the airflow before leaving! I will definitely be using these folks in the future.