The SMACNA HVAC Systems Duct Design, 5th Edition, is now available for 45-day public review and comment.
To be considered, comments must:
1. Reference a specific section, figure, or table.
2. Include a proposed resolution.
3. Be specific, general or global comments will not be acted on.
4. Include contact information so that questions can be directed to commenters.
5. All comments shall be received by 8/4/2023