Preventive Maintenance (PPM): Systems ko kharab hone se bachane ke liye routine checking karna, jaise filters badalna, coils saaf karna, belts aur lubrication check karna.
Troubleshooting & Repairing: Agar system mein koi dikkat aaye, toh electrical ya mechanical faults ko diagnose karna aur kharab parts (jaise compressors, motors, thermostats, ya fans) ko badalna.
Testing & Calibration: Pressure gauges, multimeters, aur thermometers ka use karke refrigerant levels, electrical circuits, aur air flow check karna.
Safety & Compliance: Kaam ke dauran safety rules ka poora dhyan rakhna aur gas ya refrigerants ko dhyan se handle karna.