International. The National Air Duct Cleaners Association (NADCA) has released the 2021 edition of "ACR, The NADCA Standard" for the evaluation, cleaning and restoration of HVAC systems.
The study contains practical industry-supported information for:
- Evaluation of new and existing HVAC systems
- Evaluate and verify the cleanliness of HVAC system components
- Prevention of work-related hazards
- Guide the cleaning and restoration of HVAC systems to a specific level of cleanliness.
NADCA is a non-profit trade association serving the HVAC inspection, cleaning and restoration industry. With over 1300 member companies from over 30 countries, NADCA serves as the focal point of the global HVAC cleaning industry.
This document is written for use by those involved in the HVAC cleaning and restoration industry, including specifiers, consultants, contractors, and end users. Users of this document should be kept up to date and informed about changes in the industry and implement changes in technology and procedures, as appropriate, following applicable federal, state, provincial and local laws and regulations.
The report can be downloaded by clicking here.
