SMACNA
The Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) is an international trade association representing 3,500 signatory contracting firms with more than 100 chapters throughout the United States, Canada, Australia, and Brazil. A leader in promoting quality and excellence in the sheet metal and air conditioning industry, SMACNA has offices in Chantilly, Virginia, and in Washington, D.C.

SMACNA’s Mission
The mission of SMACNA is to create a competitive advantage for its members through industry education, labor relations, standards development, industry representation, and business studies.
Setting the Standards for the Industry
SMACNA is recognized for its expertise in standards development. These standards help contractors reduce costs, anticipate technical requirements, and increase productivity and efficiency.
The technical standards and manuals developed by SMACNA are widely accepted by the global construction community. SMACNA is accredited by ANSI (the American National Standards Institute) as a standards-setting organization.
SMACNA’s standards and manuals cover all aspects of the sheet metal industry, including duct construction and installation, air pollution control, energy recovery, and roofing.
