NADCA releases standard for assessment, cleaning, and restoration of HVAC systems

The National Air Duct Cleaners Association (NADCA), a not-for-profit trade association serving the HVAC inspection, maintenance and restoration industry, has released 2013 ACR: The NADCA Standard. It provides information for: assessing new and existing HVAC systems;  evaluating and verifying the cleanliness of HVAC system components; preventing job related hazards; and guiding the cleaning and restoration o f HVAC systems to a specific level of cleanliness.