Madison Dearborn-backed AIR Control Concepts completed the acquisition of O'Dell for CAD53m.

Madison Dearborn-backed AIR Control Concepts, a HVAC installation services company, completed the acquisition of O'Dell, a company focused on energy-efficient HVAC systems and air quality solutions, for CAD53m. "This is an announcement we’ve been looking forward to for some time, and it’s my honor to extend a warm welcome to our new friends at O’Dell HVAC Group," Hayden Bland, AIR Control Concepts COO.