Install, maintain, and inspect refrigeration, air conditioning, heating, pneumatic and electronic control systems. Inspect, diagnose, and repair malfunctioning heating, ventilation, air conditioning, and refrigeration equipment, pumps, condensers, etc.
Test/measure pressure, temperature, air flow, electrical voltages, amp draws and ohm readings, refrigerant leaks, fan to motor rpm’s and refrigeration compressor oil levels, lubricants to determine source of malfunction.