Diploma in Refrigeration and Air-conditioning (RAC)
Course Overview & Eligibility
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Duration & Eligibility: A 1-year program requiring a pass in the 10th standard for admission.
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Overview: The curriculum covers operating principles, components, servicing, safety measures, and heat transfer theory.
Refrigeration and Air-conditioning (RAC) has become an essential utility across residential, healthcare, commercial, and industrial facilities. Rapid expansion in modern residential townships, retail supermarkets, cold storage logistics, IT campuses, and hospitals has created a steady demand for qualified, safety-certified technicians.
At Nalam Academy, Panjampatti, the 1-year Diploma in Refrigeration and Air-conditioning (RAC) blends foundational engineering principles with intensive hands-on workshop practice. Students gain mastery across domestic Split and Inverter ACs, commercial package units, cold storages, central chillers, copper brazing, refrigerant management, and electrical circuit diagnostics.
Core Subjects & Syllabus
The comprehensive 1-year curriculum includes theory in refrigeration and air-conditioning, workshop calculation and science, engineering drawing, social studies and employment skills, introduction to computers, and practical internship training:
Theory in Refrigeration & Air-Conditioning
Thermodynamics, vapor compression cycles, operating principles, compressor types, condensers, expansion valves, evaporators, and modern eco-refrigerants.
Workshop Calculation and Science
Applied physics and technical mathematics: heat transfer calculations, cooling loads, electrical Ohm's law, pressure units, power ratings, and efficiency ratios.
Engineering Drawing
Reading blueprints, RAC isometric piping schematics, electrical wiring diagrams, ductwork layouts, and architectural HVAC installation drawings.
Social Studies & Employment Skills
Workplace ethics, professional communication, customer-centric relations, occupational safety norms, interview preparation, and teamwork.
Introduction to Computers
Basic computing skills, digital diagnostics, BMS (Building Management Systems) interface, online service portals, and technical documentation.
Practical Internship Training
Live on-site field internships in authorized service centers, manufacturing units, and commercial establishments handling real service calls.
Practical Workshop Training Bays
Career Prospects
“Graduates can pursue installation, maintenance, and repair roles in residential and commercial settings, as well as find opportunities in hospitals, factories, supermarkets, and food processing plants.”
Graduates enjoy strong domestic demand and lucrative overseas placement opportunities across GCC nations:
Corporate Placement Partners
Our technicians are actively hired by leading HVAC leaders and contracting companies including Voltas, Daikin, Blue Star, Carrier, LG Electronics, Samsung, Johnson Controls-Hitachi, multi-speciality hospital networks, and MEP contractors across India and the GCC.
Diploma in Refrigeration & Air-conditioning (RAC)
(AC Mechanic Course)Operating principles, components, servicing, safety measures, and heat transfer theory.
- RAC Theory & Heat Transfer
- Workshop Calculation & Science
- Engineering Drawing
- Social Studies & Employment Skills
- Introduction to Computers
- Practical Internship Training
