Clean Aire Systems is the leader in Air Duct and Dryer Vent Cleaning since 1997. Serving Washington, Ozaukee and surrounding Counties. Clean Aire Systems uses the most effective way to clean air ducts and ventilation systems The Source Removal Method of Cleaning (Per The EPA, ASHRAE, SMACNA NADCA). This requires the air duct system to be put under a negative pressure, through the use of a specialized powerful vacuum. While the vacuum draws air through the air duct system, devices are then inserted into the system to dislodge any debris that is stuck to the interior surfaces. The debris can then travel down through the system to the vacuum, which removes it from the air duct system and the home. Please remember their is no patented air duct cleaning method as some companies would like you to think.. Air Duct Cleaning & Dryer Vent Cleaning & Repair.