Technical Standards


Technical standards and manuals developed by SMACNA members have worldwide acceptance by the construction and code community, as well as 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 – including duct construction and installation, indoor air quality, energy recovery, roofing and architectural sheet metal, welding, and commissioning.

Architectural Sheet Metal Standards

Publications include Architectural Sheet Metal Manual, Architectural Sheet Metal Inspection Guide, Architectural Sheet Metal Quality Assurance Guide, Architectural Sheet Metal CADD Drawings.

HVAC Duct Construction Standards

Publications include HVAC Duct Construction Standards - Metal and Flexible, HVAC Systems Duct Design, HVAC Duct Systems Inspection Guide, HVAC Air Duct Leakage Test Manual, HVAC Systems Commissioning Manual, HVAC Systems Applications,  Fibrous Glass Duct Construction Standards, Fire, Smoke and Radiation Damper Installation Guide for HVAC, System Air Leakage Test Standard, and more.

Industrial Duct Construction Standards

Publications include Round Industrial Duct Construction Standards, Rectangular Industrial Duct Construction Standards, Guyed Steel Stacks, Accepted Industry Practice for Sheet Metal Lagging, Accepted Industry Practice for Industrial Duct Construction, Kitchen Ventilation Systems and Food Service Equipment Guide, and Sheet Metal Welding Guide.

Residential Standards

Publications include Residential Sheet Metal Guidelines and Residential Comfort Systems Installation Standards Manual.

Seismic Hazard Standards

Publications include Seismic Restraint Manual Guidelines for Mechanical Systems.