National Air Duct Cleaners Association

NADCA certification is recognized around the world as the benchmark for trained and qualified professionals. Through NADCA certification, NADCA members demonstrate their knowledge and proficiency in conducting HVAC assessments, cleaning, and restoration services.

NADCA’s dedication to quality assurance helps ensure and promote a higher standard of performance for all NADCA members.

All members are required to perform work in accordance with NADCA Standards. As part of its Quality Assurance Program, NADCA provides information about how to select a qualified contractor along with pre and post-cleaning checklists to ensure that total system cleaning is performed.

NADCA’s dedication to quality assurance helps ensure and promote a higher standard of performance for all NADCA members. Quality assurance also provides a means of consumer education, through tips on how to select a qualified contractor, establishing performance checklists, and adopting policy of full disclosure for its member contractors.