ONTARIO, Calif. — The International Association of Plumbing and Mechanical Officials (IAPMO®) has released the hardcopy and digital versions of its 2015 edition of the Uniform Mechanical Code (UMC®).
NSF International, an independent global organization that writes standards, and tests and certifies products, has published the first in a series of American National Standards for Ground-Source ...
A rule that required residential ductwork to be made from 28-gauge sheet metal has been removed from the 2015 International Mechanical Code. Representatives from the Air Conditioning Contractors of ...
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