Delta Controls Inc. and partner company, Electric City, recently announced the signing of a $2.2 million contract with O’Hare International Airport. Hill Mechanical ran an open bid process to award the contract. The contract guarantees a BACnet-based building automation controls system at O’Hare Terminals 2 and 3. It includes building automation controls for 46 new AHUs and four temporary units. The project will commence immediately, and is expected for completion by November 2005.