M&G DuraVent(Vacaville, Calif.) announced its PolyPro single-wall, concentric, and flex has gained approval fromBradford White(Ambler, Pa.) for all Power Direct Vent tank-type water heaters that accept PVC, CPVC, or ABS venting.

Testo Inc. (Sparta, N.J.) appointed Emily Ruffing as marketing communications specialist, portables products division.

Eric BrattonCosaTron (Tampa, Fla.) named Eric Bratton (right) president, effective immediately.

Mainstream Engineering Corp. (Rockledge, Fla.) has been awarded a contract from the Defense Advanced Research Projects Agency (DARPA) to develop a new, high-efficiency refrigeration compressor for compact thermal control and refrigeration applications.

Viessmann Mfg. Co. Inc. (Waterloo, Ontario, Canada) secured North American sales support, installation, and service for NextEnergy Inc.’s (Elmira, Ontario, Canada) high-temperature output KWT heat pumps.

Sharon RobertsRuth KingJeffery GitomerNordyne (O’Fallon, Mo.) introduced NordyneU, an on-demand, online video-training option featuring HVAC trainers Jeffery Gitomer (left), Ruth King (center), and Sharon Roberts (right).

Publication date: 3/18/2013