Sheet Metal and Air Conditioning Contractors’ National Association

  • 4201 Lafayette Center Drive, Chantilly, Virginia, 20151-1219, United States of America (USA)
  • +1 (703) 803-2980

About Sheet Metal and Air Conditioning Contractors’ National Association

The Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) is an international trade association representing 1,834 member firms in 97 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, VA., which is outside of Washington, D.C., and on Capitol Hill.

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