O’Brien
Dan O'Brien has been promoted to national sales manager of Zero Zone Inc. (North Prairie, Wis.).

The Air Conditioning Contractors of America Arizona Chapter board of directors elected officers for 2005. The officers are:

Dave Jones, Midstate Mechanical, president,

Louis Hobaica, Hobaica's Refrigeration, vice-president,

Regina Ramirez, Ramirez Mechanical, secretary/treasurer.