Blaine Fox, a member of Contracting Business magazine’s Editorial Advisory Board, has been named general manager for the HVAC residential and commercial southeast region of ServiceMark (formerly Connectiv). Fox will be responsible for 190 employees serving residential and commercial HVAC needs in the Delaware Valley. Previously, he had served as ServiceMark’s manager of field operations and sales for the HVAC residential southeast region. ServiceMark is owned by UGI Utilities, Inc., a wholly owned subsidiary of UGI Corp., a natural gas and electric utility.