MANY YEARS AGO, I paid good money out of my own pocket to learn how to design a duct system. I won’t say to whom I paid this money, because I got ripped off. What I “learned” was how to find .1 on a ...

Just because ducts are designed a certain way doesn’t mean they will function as intended. Quick duct design rules have been around for a long time and aren’t going anywhere in the near future.

Duct routing looks simple on drawings, but once construction starts, it becomes one of the most challenging coordination tasks in a building project. Engineers design ducts for performance, ...

They’re not pretty and almost always hidden from sight, but air conditioning and heating ductwork are now proudly displayed in many homes. Like exposed wood beams that have become so popular, the ...

The shortest distance between two points is a straight line, but when it comes to your duct work that may not be the best path for an efficient system that cools and heats the home properly.

When thinking of building materials, we think of wood, steel and concrete. Fabric is for the interior decorator. But according to Randall E. Fromberg, president of Fromberg Associates Ltd., fabric ...

Performing electrical cable heating calculations can be a cumbersome task, but they’re essential to accurately determining the allowable ampacity of an underground electrical duct bank installation.