•Flame Heating, Cooling and Electrical(Warren, Mich.) hiredEd Irvine(right) as vice president of Home Energy Analysis.

•Murphy Co.(Denver) promotedGreg Friessto lead its pre-construction and estimating operations in Colorado.

•Robert Gibb & Sons(Fargo, N.D.) joinedThe Unified Group(Broadview, Ill.).

•Simpson Air(Tampa, Fla.) appointedRuss Palkaas operations manager.

Publication date:02/22/2010