The updated 416-page standard was revised to provide contractors, designers, and facility owners with the information they need to apply effective and efficient solutions to their projects.
A feature in the design of the ventilation system of the welding shop is the need to achieve high results of purification of air masses with relatively low energy costs.
The new line of Marley Duct Heaters is available in slip-in or flanged configurations with heavy-gauge galvanized steel frame and terminal box construction and are ETL and UL certified.
Overby-Sheppard Elementary in Richmond, Virginia, needed more than an HVAC upgrade, but with tight budgets and minimal state funding, it didn’t seem likely. The 40-year-old building needed a full overhaul to provide students with a healthier, distraction-free environment.