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 ...

Pro-R Double Wall is a top market choice for specialty applications like wastewater treatment. Pro-R Double Wall is a pre-insulated phenolic duct solution available nationwide. The Patented Pro-R ...

Getting something for nothing is rare, but by switching from traditional rectangular ductwork to spiral, you can do just that. Spiral ductwork is cheaper to install and cheaper to use throughout the ...

This article originally appeared in the Spiral Duct Manufacturers Association insert in the January 2017 issue of SNIPS magazine. There are several factors that a designer should consider when ...

After an hour or two of training, most estimators are ready to go on their own. AN EASY-TO-USE Windowsbased estimating program for commercial, industrial and heavy-gauge HVAC ductwork is Quote-Express ...