Johnnie Murphy has 31 years of experience in the service and installation of air conditioning systems. His experience in this field includes service and design of chillers, packaged A/C and heat systems, explosion proof equipment, energy management, air balance, residential systems, refrigeration, build up commercial H.V.A.C. systems and ventilation. His experience in management consists of being a co-owner of Murphy's Mechanical since 1985, Service Supervisor for A&W Mechanical, Field Coordinator for a large portion of the Way Engineering Service Group, chief officer of Murphy's Environmental Control for 20 years, and president of Murphy's Interest, Inc.