The National Air Duct Cleaners Association (NADCA) urges professionals to avoid using chemicals as a method for cleaning and maintaining air duct systems. NADCA, otherwise known as the HVAC Inspection, Maintenance and Restoration Association, upholds the ACR standard for assessment, cleaning and restoration, promoting physical source removal as the best technique for cleaning and decontaminating HVAC systems.
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| Aug 11, 2010
Best AEC Firms of 2011/12
Later this year, we will launch Best AEC Firms 2012. We’re looking for firms that create truly positive workplaces for their AEC professionals and support staff. Keep an eye on this page for entry information. +