The Plumbing-Heating-Cooling Contractors - National Association installed officers and board members on Nov. 2 at its annual convention in Toronto. The new PHCC president is Eddie Hollub, Modern Plumbing Co.; Steve Carder, Carder Plumbing Co., is president-elect; Mary Garvelink of Commercial Design Engineering Co. is vice president; and Willie Roberson, W. C. Roberson Plumbing, is secretary.