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Engineering ToolBox > SMACNA - Sheet Metal and Air Conditioning Contractors National Association
SMACNA - Sheet Metal and Air Conditioning Contractors National Association is an international trade association representing 4500 contributing contractor firms, that promotes quality and excellence in the sheet metal and air
SMACNA members perform work in industrial, commercial, institutional and residential markets. They specialize in
The voluntary technical standards and manuals developed by SMACNA Contractors have found worldwide acceptance by the construction community, as well as foreign government agencies. ANSI, the American National Standards Institute, has accredited SMACNA as a standards-setting organization.