A couple of years ago, I wrote an article titled “Four Steps to Start Optimizing a Poorly Performing Duct System.” Since then, I regularly receive calls and emails about the article. One frequently ...

AIRHEAD: When your measured airflow is ±10 percent of design airflow, you can confidently proclaim that your duct design method works. May 27, 2019 The duct system is one of the most important ...

Pro-R Duct System is the Top Choice for Commercial and Industrial Applications Engineers and Contractors Recommend Pro-R, the Premiere Pre-Insulated Duct System Choice for Outdoor and Indoor ...

The system is for use in commercial construction and is expected to be widely used by mechanical HVAC contractors, insulation, m Morgan Thermal Ceramics worked closely with UL (Underwriter’s ...

Duct smoke detector maintenance requirements are not included in the NFPA standard that covers HVAC systems (NFPA 90A or 90B); however, the International Code Council’s 2015 Mechanical Code does state ...