HVAC equipment support in the nature of providing HVAC repair and maintenance featuring the use of performance data and manufacturer technical support teams; Maintaining and controlling HVAC equipment in commercial buildings in the nature of technical support services, namely, maintenance and troubleshooting through collecting and analyzing HVAC performance data to verify the proper operation of the HVAC equipment, recognize potential operational problems, diagnose equipment problems and analyze system efficiency all for repair purposes

"COMMISSIONING"