About This Course
The AC & Refrigeration Technician course covers the full spectrum of air conditioning and refrigeration systems — from basic refrigeration theory to the installation and servicing of modern inverter split-AC units.
This is one of the highest-earning trades for technicians in Nepal and abroad. Qualified AC technicians are in strong demand in hotels, offices, hospitals, and the Gulf construction market.
What You Will Learn
- Refrigeration cycle: compression, condensation, expansion, evaporation
- Refrigerants: R-32, R-410A, R-22 — properties and safe handling
- Split AC installation: indoor unit, outdoor unit, copper piping, drain
- Gas charging using manifold gauges and vacuum pump
- Diagnosing common faults: not cooling, compressor failure, PCB errors
- Servicing: cleaning, filter replacement, coil washing
- Inverter technology and variable-speed compressors
- Commercial refrigeration: display cases, walk-in coolers (overview)
Course Curriculum
Month 1 — Refrigeration Theory
- Refrigeration fundamentals and thermodynamics
- Component identification: compressor, condenser, evaporator, TXV
- Refrigerant types and handling safety
- Electrical basics for AC technicians
Month 2 — Installation & Service
- Split AC selection, sizing, and installation
- Copper pipe brazing and flaring
- Vacuum pumping and gas charging
- Wall bracket mounting and commissioning
Month 3 — Diagnosis & Advanced
- Fault finding using digital gauges and clamp meters
- PCB testing and sensor replacement
- Commercial refrigeration overview
- Final practical and written assessment
Career Opportunities
- AC service technician (Nepal — hotels, offices, hospitals)
- AC technician (Gulf countries — extremely high demand)
- Refrigeration mechanic (cold chain logistics)
- Self-employed AC installation and service business
Frequently Asked Questions
How much can an AC technician earn abroad? In Qatar and UAE, trained AC technicians earn between NPR 60,000–120,000/month depending on experience. Senior technicians earn more.
Is this trade only for those with electrical knowledge? We teach all the electrical basics needed. SEE or equivalent is preferred but not mandatory — keen learners from Class 8 can join.
Do we work on real AC units during training? Yes. Our lab has multiple working split-AC systems, refrigerators, and display cases for hands-on practice.