... :** • Troubleshoot, calibrate and adjust pilots, thermostats and burners, transformers, controls, relays, heaters, elements, switches and controls on electrical systems • Use common tools of the HVAC trade in ...

... ; including the need to calibrate thermostatic controls; worn heating, ventilation and air-conditioning parts ... Recognizing risks and safety hazards commonly found in HVAC operations, and implementing appropriate controls ...