National Air Duct Cleaners Association

When choosing an air duct cleaning contractor in Colorado, it is always best to start with companies that are members of the National Air Duct Cleaners Association (NADCA).  While NADCA membership is not the only criteria in selecting a professional air duct cleaning contractor, it does demonstrate that the company has a certified staff member that understands proper air duct cleaning methods and that the company is bound to a code of ethics.

Who is the National Air Duct Cleaners Association?

The National Air Duct Cleaners Association (NADCA) was formed in 1989 as a non-profit association of companies engaged in the cleaning of HVAC systems. Its mission was to promote source removal as the only acceptable method of cleaning and to establish industry standards for the association.

NADCA Certifications:

NADCA requires that all member companies have at least one certified Air Systems Cleaning Specialist (ASCS) on staff to ensure that all cleaning is accordance with NADCA Standards and

Types of Certifications:
  • Air system cleaning specialists (ASCS): Demonstrating knowledge and understanding of HVAC system cleaning, NADCA Standards, safety practices, and more
  • Certified Ventilation Inspectors (CVI): Have undergone training based on the Environmental Protection Agency’s (EPA) I-Beam program for conducting building IAQ inspections. A passing grade on the certification exam demonstrates knowledge and understanding of inspecting HVAC systems, diagnosing IAQ problems, and reporting findings to the customer.
  • Ventilation System Mold Remediators (VSMR): Have undergone training and passed a rigorous examination demonstrating knowledge and understanding of basic microbiological agents, how to perform project assessments, and the proper methods for remediating mold within an HVAC system, according to industry guidelines and standards.

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