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 ...

In 1948, research by R.G. Huebscher established flow resistance for different shapes of ductwork at equal velocities, which allowed the creation of the duct-sizing calculator or “Ductulator” for ...

The Steam Team, an Austin-based restoration and specialty cleaning company established in 1983, has announced the launch of its Air Duct Cleaning Annual Maintenance Program. This new service is ...

PJ MAC HVAC Air Duct Cleaning announced the launch of a new Commercial HVAC White Glove Program designed for facilities seeking structured and documented air duct cleaning services, with initial ...

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.