Knowledge of motor starters, thermostats, humidistats, variable frequency drive (VFD) motors and controllers, gravity dampers, sensors, furnaces, hydronic systems, hot water heaters, heat pumps, evaporators, and condensers. In this hands-on role, the technician performs preventive maintenance, repairs, and replacements of electrical, plumbing, and mechanical equipment located at corporate campuses and owned or leased properties.