SMACNA standards and manuals address all facets of the sheet metal and HVAC industry – including duct construction and installation, indoor air quality, energy recovery, roofing and …

The technical standards and manuals developed by SMACNA contractors are globally recognized and accepted within the construction community. Accredited by the American National …

The Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) is an international trade association representing 3,500 signatory contracting firms with more than …

SMACNA Technical Papers and Guidelines review processes, specifications and requirements in various documents and standards, providing reviews, recommendations, clarifications and …

SMACNA's Technical Resources Department fields several thousand technical questions annually from architects, engineers, manufacturers and government personnel. More than 17,000 …

SMACNA represents a broad spectrum of contractors who use sheet metal to fabricate and build architectural, ductwork, and HVAC metal systems in industrial, commercial, architectural, and …

SMACNA standards and manuals address all facets of the sheet metal and HVAC industry – including duct construction and installation, indoor air quality, energy recovery, roofing and …

This app allows you to easily and accurately size downspout and gutters using the methods and formulas covered in SMACNA’s Architectural Sheet Metal Manual (ASMM). The Rainfall …

The Architectural Sheet Metal Manual by SMACNA provides comprehensive guidelines and standards for sheet metal and HVAC industry, including duct construction, roofing, welding, …

This app provides suggested leakage classes using the method outlined in SMACNA's HVAC Air Duct Leakage Manual. The method used is compliant with ASHRAE 90.1, IECC, IGCC …