Pentech Energy Solutions, a manufacturer of energy efficiency and management technology for HVAC systems, appointed two regional general managers. Kevin McKinnon, based in Brookfield, Wis., is now general manager of the central sales region, covering North Dakota to Ohio and north of Kentucky. Calvin E. Stewart Jr., based in Frederick, Md., is general manager of the eastern sales region north of Virginia and east of West Virginia.
In other news, the company, in conjunction with Commonwealth Energy Corp., is offering Pentech Energy Recovery Controller Residential, the residential version of its commercial energy-efficient technology, to more than 50,000 Commonwealth residential customers as well as the general public.