Comfort Systems USA, Inc. (FIX), an air-conditioning company, announced that Craig Sasser, currently the Regional Vice President - Atlantic Region, will be appointed as the Chief Operating Officer. Furthermore, the company announced that Briston Blair will move from his current role of Senior Vice President - Innovation & Strategy to the role of Chief Strategy & Innovation Officer. The appointments are with effect from July 1.Trent McKenna will continue to serve as President of the company.Prior to joining ...