• U.S. Boiler Co. (Lancaster, Pa.) approved M&G DuraVent’s (Vacaville, Calif.) PolyPro single-wall, concentric, and flex for its Burnham Alpine models 080-500.
• Dynamic Air Quality Solutions’ (Princeton, N.J.) V8-SL Air Cleaning System received Environmental Design and Construction magazine’s fifth annual Reader’s Choice award under the Mechanical/HVAC products category.