Many contractors have a comfort zone when it comes to the type of ductwork they prefer to use. In many cases, this comfort zone can be outlined by various factors, such as product cost, availability, ...

Transitions are needed in almost every duct run to change the size or shape of the ductwork. This article explains how to lay out rectangular transitions. A duct run is often kept flat on the top to ...

Pro-R Duct System is the Top Choice for Commercial and Industrial Applications Engineers and Contractors Recommend Pro-R, the Premiere Pre-Insulated Duct System Choice for Outdoor and Indoor ...