Updates in the latest ASHRAE Standard 90.1 and the 2021 International Energy Conservation Code (IECC) will make their way into state and local codes over the next couple of years now that the U.S.
MOUNT LAUREL, N.J. — The National Air Duct Cleaners Association (NADCA) has unveiled 2013 ACR, the NADCA standard for assessment, cleaning, and restoration of HVAC systems. NADCA released the standard ...
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