Baltimore Aircoil Co., Jessup, Md., appointed Don Fetzer as its new president. Fetzer joined BAC in 2011 as managing director, BAC Europe. Fetzer succeeds Mike Swiderski, who was named president of Consolidated Metco, a division of Amsted Industries, Portland, Ore.

Houston-based Aggreko, a provider of temporary power and temperature control services, appointed Chris Weston as CEO. Weston is expected to join Aggreko next year once he has completed his commitments at Centrica plc. Weston is managing director, international downstream at Centrica and an executive director running the group’s largest division.
     Angus Cockburn, Aggreko’s interim CEO, will continue this role until the end of the year, when he will step down voluntarily to pursue outside interests. Also, the company appointed Carole Cran, currently interim CFO, as CFO and executive director of Aggreko plc. She will join the board of directors immediately.

Bitzer has made a number of personnel changes.
     At its Syracuse, N.Y. facility, James Cullen was appointed director scroll product management. Cullen is responsible for the global product management of scroll compressors. He has been with Bitzer Scroll Inc. since the company’s Orbit 8 scroll compressors were launched more than five years ago.
     Also, Bitzer subsidiary Armaturenwerk Altenburg GmbH named Diana Schubert its new managing director.
     Finally, Kai Kowalewsky was named managing director responsible for purchasing, technology, production and sales, succeeding Günter Schuboth, who has left the company.

 Following the September 2013 relocation of its headquarters to the Chicago of Schaumburg, Ill., Rittal Corp. has named Gregg A. Holst as president, a moved taken to pursue for further growth in North America. Christoph Caselitz, president of Rittal International, emphasized that with Holst’s appointment, Rittal is strengthening its commitment to North America by centralizing leadership of the U.S., Canada and Mexico.

 Santa Ana, Calif.-based Harrison Valve has inked a partnership agreement with International TechniSystems Inc. to expand its sales and distribution throughout Mexico, Central and South America. International TechniSystems distributes complete gas separation fill plants, bulk cryogenics and fill plant supplies, among other products. Harrison Valve manufacturers high pressure cylinder valves.

 CES Group LLC, Eden Prairie, Minn., added a new website, datacenters.ces-group.com, to focus on its data center products business. The site will be used to demonstrate products to reduce data center energy consumption and increase cooling capacity.