1 – 2 Years (Regular / Fast-Track Mode Available)
The Advance Diploma in Refrigeration & Air Conditioning (RAC) offered by TVVTI (The Vidya Vocational Training Institute) is a specialized technical program designed to train students in the installation, repair, and maintenance of refrigeration and air conditioning systems.
This course provides both theoretical knowledge and extensive hands-on training in domestic, commercial, and industrial cooling systems. Students gain expertise in handling modern cooling equipment, understanding thermodynamics principles, and performing system diagnostics — preparing them for employment or self-employment in the HVAC (Heating, Ventilation, and Air Conditioning) industry.
Fundamentals of Refrigeration & Air Conditioning
Principles of Thermodynamics and Heat Transfer
Refrigeration Cycle & System Components
Types of Compressors, Condensers, and Evaporators
Electrical Controls and Circuit Diagrams
Installation and Maintenance of Domestic & Commercial AC Units
Fault Diagnosis and Troubleshooting Techniques
Charging and Recovery of Refrigerants
Workshop Tools and Measuring Instruments
Safety Practices in Refrigeration Work
Introduction to Modern HVAC Systems (VRV/VRF)
Energy Efficiency and Environmental Awareness
Installation and servicing of window, split, and central AC units
Overhauling compressors and testing cooling systems
Refrigerant gas charging and leakage testing
Maintenance of refrigerators, deep freezers, and water coolers
Practical exposure in real workshop environments
After successful completion, candidates can work as:
Refrigeration & Air Conditioning Technician
Maintenance Engineer / Supervisor
HVAC Installer / Mechanic
Service Center Technician
Cold Storage Maintenance Operator
Self-Employed AC & Refrigerator Service Provider
10th or 12th Pass (Science / Technical stream preferred)
ITI or equivalent qualification in mechanical or electrical field is an advantage
On successful completion, students will be awarded an
Advance Diploma in Refrigeration & Air Conditioning by
TVVTI (The Vidya Vocational Training Institute).
TVVTI (The Vidya Vocational Training Institute) conducts the Advance Diploma in Refrigeration & Air Conditioning course under its Self Employment Program.
This initiative aims to promote technical skill development, practical training, and self-reliance among students, enabling them to pursue gainful employment or start their own service ventures in the cooling and HVAC industry.
(Note: This is a vocational skill development program and is not affiliated with any government-recognized university or technical board unless specifically mentioned.)