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Technical standards and manuals developed by SMACNA members have found world-wide acceptance by the construction community, including local and national government agencies. ANSI, the American National Standards Institute, has accredited SMACNA as a standards-setting organization. SMACNA standards and manuals address all facets of the sheet metal and HVAC industry, from duct construction and installation to indoor air quality, from energy recovery to roofing, from solar energy to welding, from commissioning to performance service maintenance.


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Sheet Metal and Air Conditioning Contractors' National Association

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