First Service Networks announced the names of six $5,000 prize winners an a contest that served as incentive for contractors to collect data on 50,000 hvac units serviced by First Service Networks. The company invited its hvac service contractors to affix identification labels to hvac units serviced by First Service Networks.

Winners are: Raymond Hinkamper of Raymond Hinkamper Service Co., Quincy, Ill.; Ed Kemp of Kemp-Munsinger in Enid, Okla.; John Robichaud of Robie's Refrigeration in St. Cloud, Minn.; Robert Tallan, of Advanced Mechanical Systems in Spokane, Wash.; and Ernest Orphanos of Allied Trades Inc., Wernersville, Pa.