INSTALLATION, MAINTENANCE, AND REPAIR OF TEMPERATURE, PRESSURE, HUMIDITY, AND AIR FLOW MONITORING AND CONTROL SYSTEMS, COMPRISED OF HVAC, PNEUMATIC, ELECTRONIC AND DDC CONTROLS, CONTROLLERS, VALVES, SWITCHES, DAMPERS, ELECTRIC ACTUATORS, PNEUMATIC ACTUATORS, SENSORS, CONSTANT AND VARIABLE AIR TERMINAL CONTROLLERS, AIR FLOW MEASURING STATIONS, AND COMPUTER HARDWARE WORK STATIONS
Building Construction and Repair