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.

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 ...

Duct burners use supplementary firing to increase the heat energy of a gas turbine’s exhaust, making it possible to increase the output of a downstream heat-recovery steam generator (HRSG). Early ...