Every SMACNA Member Contractor and Chapter is intitled to one free copy of either the PDF or hard copy of the latest edition.

Each SMACNA member company and chapter office is entitled to either one free PDF download or one free hard copy of HVAC Duct Systems Inspection Guide, 4th Edition. Use promo code 'HDSIG4COMP'' at check-out in the PROMOTIONAL CODE box. Hard copy book orders will be subject to a shipping fee.
The Fourth Edition contains guidelines for the inspection of commercial HVAC duct systems for compliance with SMACNA/ANSI HVAC Duct Construction Standards, Metal and Flexible (4th Edition), Fibrous Glass Duct Construction Standard (8th Edition), and Phenolic Duct Construction Standards (1st Edition). It reviews materials and reinforcement of duct systems, as well as the assembly and supports of ducts. The Fire, Smoke, and Radiation Damper Guide (6th Edition) also summarizes the installation, maintenance, and inspection of fire life safety dampers. The Grease Duct Construction Reinforcement Standards (1st Edition) covers common construction and reinforcements for Type I grease ducts. Checklists for ductwork and fire dampers are included.
Valuable as a study guide for the HVAC Duct Construction Standards and for learning inspection procedures in general. Includes soft metrics.
Jul 10, 2024 — Member Update
Dec 17, 2025 - Director of Operations at Ernest D. Menold, Inc., discusses how to integrate software solutions into the shop floor and what SMACNA members need to be mindful of when selecting a suite that suits their needs.
Dec 17, 2025 - Project Manager with Western Sheet Metal talks about embracing new technology and emerging best practices within a sheet metal shop and how to successfully leverage data in the shop.
Dec 17, 2025 - For the fourth consecutive year, SMACNA’s Executive Director of Government and Political Affairs recognized by The Hill newspaper.