For over 25 years, Quality Air Services (QAS) has provided commercial indoor air quality services for the West Coast and beyond. We have built our reputation on quality of work, punctuality, and superior customer service.A Commercial Air Duct Cleaning company in good standing with a California State Contractors C20, D61, and C64 license, QAS depends on our customers to continue to build our reputation as one of the top commercial air duct cleaning companies on the west coast. We are Licensed, Insured, and Bonded and will provide Competitive Bids in the Public and Private sectors.As a 15 year member of the National Air Duct Cleaners Association NADCA, QAS adheres to the strict cleaning methods as stated in the ACR2013. This document has been developed to ensure that your facility will be cleaned to the highest standards in the industry. This is accomplished by using advanced air duct cleaning technology, employing a knowledgeable staff, and providing ongoing customer support even after the project has been completed.