There are certain principles of air movement that, once understood, allow you to direct airflow as needed in an HVAC system. Understanding these principles will allow you to solve comfort problems ...

Clamp-together ducting along with short pieces of flex hose are easy to disassemble and re-assemble when machines need to be moved. After a shop decides on mist collector location, either indoors or ...

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 ...