A recent duct layout design in Boston, Massachusetts, required a lot of elbow grease to be completed. For a commercial restaurant hub in Beantown, Apex Corporation fabricated a 16-gauge welded, 9'x 9' ...

For the past 50 years, engineers have been “designing” duct systems. Quite often, they were not actually designing the systems, but were sizing duct the duct according to some rule of thumb. The rules ...