ServiceMaster names president of its subsidiary American Home Shield.

Armistead Mechanical names chief operating officer.

AAON names three vice presidents and president of AAON Coil Products; ICOR International appoints national sales director; Carrier receives silver-level Excellence in Design award; LG Electronics USA launches VRF training program; Uponor receives 2012 Efficiency Partner award.

Charles D. Jones & Co. announces acquisition.

Unified Group to host Advanced Sales Forum in September; IAPMO named sixth and final member of WorldSkills Foundation board of trustees; NEBB names executive vice president; HRAI appoints four staff members.

Field Controls appoints director of wholesale sales; Superior Boiler Works to manufacture higher-pressure firetube boilers; Amerigon names vice president/general counsel; Tellurex board of directors elects three; Cliplight rebrands and redesigns packaging; Daikin AC (Americas) announces newly enhanced warranty program.

Williams Distributing to distribute ClimateMaster products; Win Wholesale announces opening of Bismarck Winnelson.

Nexstar Network to host next super meeting in October; SMACNA elects officers.

Lennox International reports second quarter revenues; Flowserve announces second quarter earnings per share.

QA Graphics hires HVAC graphics specialist.