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Institutional Heritage

Air-Conditioning &
Refrigeration Department

Engineering Excellence Since 1920

Air-Conditioning and Refrigeration

The world seems different during hot days when cooling systems go off. That's the time when professionals who can handle such cases come into their own. Training for Refrigeration and Air Conditioning course in Kolkata gives knowledge on how to service and install AC and fridges. You get hands-on experience using equipment. Gradually, you develop dexterity in your hands as well as your brain. This profession guarantees you employment, along with the increasing demand. The skills will give you a way to earn with dignity and even open a service centre on your own.

In-demand technical service sector
Rising temperatures lead to growth
Provides lakhs of job opportunities
Plays a key role in providing comfort
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AC Technician at work

Our Recruiting Partners

  • Daikin
  • Hitachi
  • Voltas
  • Blue Star
  • Samsung
  • LG
  • Godrej
  • Whirlpool
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Deep Dive

Master the Art of
Cooling Systems

Some dreams start with a non-functioning fan or a leaking fridge. At GTTI, the AC & Refrigeration Course transforms these sparks into professional mastery.

Designed for those seeking HVAC repair expertise. We welcome youths ready to build independent careers in this high-demand industry.

From residential to industrial warehouses—learn to install, service, and maintain actual machines with intensive hands-on training from basic to advanced levels.

Ready to Start?

Take the first step towards your professional HVAC career today.

Course Curriculum

Our curriculum is meticulously designed to transform beginners into industry-ready HVAC professionals through a balanced mix of 70% Practical and 30% Theory.

What skills will you gain from refrigeration and air conditioning courses?

When you learn about refrigeration and air conditioning, you don't merely learn a trade. You build confidence in your own hands. You learn to install and repair air conditioners, refrigerators, and cooling systems used in homes, shops, and hospitals.

You understand how compressors, gases, and electrical components interact. Learning technical skills will help you learn troubleshooting. The most important thing you will learn besides your technical skills will be discipline and responsibility. Learning how to effectively interact with customers from an AC repairing training centre will also help you gain their trust and respect, and develop a steady income.

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GTTI Students Lab Session
GTTI Eligibility
Enrollment Criteria

Who is Eligible to Enrol?

This course is specifically designed for students who have completed Class IX or X. GTTI invites ambitious young minds who are eager to master HVAC technology and build a successful career as specialized AC technicians.

You don't need a complex degree to start; all you need is a passion for technical excellence and hands-on problem solving.

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Why Choose GTTI for HVAC Excellence?

Join an institution that prioritizes practical skill-building and career success above all else.

Hands-on Mastery

Learn by working on real air conditioners and industrial refrigeration systems in our advanced labs.

Expert Mentorship

Train under seasoned industry veterans who provide personalized guidance at every step.

Verified Reputation

Graduate from an institution with over 100 years of trust in technical vocational training.

Professional Certification

Our Specialized Programs

Automobile Engineering with EV Technology

Air Conditioning & Refrigeration Engineering

This course includes:

Trade Theory & Trade Practical (Commercial & Domestic Air-Conditioning Systems, Commercial & Domestic Refrigeration Systems, Frost-free refrigeration System) Washing Machine Technology Engineering Drawing Trade Practical Workshop Calculation & Science Workshop Technology Foremanship.

Duration: 24 months

Eligibility: Passed Class X Board Exam

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Student Success Stories

Hear from our alumni who transformed their technical curiosity into thriving careers in the industry.

Frequently Asked Questions

It is a technical course that teaches how to install, maintain, service, and repair air-conditioning and refrigeration systems.
Yes, certain diploma and vocational certifications in AC & Refrigeration are designed for students who have completed Class IX or X, focusing on hands-on skill development.
Absolutely. This course provides you with the technical expertise and certification needed to start your own AC repair and maintenance service center.
Yes, GTTI emphasizes hands-on learning. You will spend over 70% of your course time in our advanced labs working on real HVAC equipment.
Yes, our main campus is in Kolkata, and we have several training centers across the region providing this specialized training.
GTTI has a dedicated placement cell. Our AC & Refrigeration graduates are highly sought after by companies like Samsung, Godrej, Daikin, and Blue Star.
You will learn about window ACs, split ACs, inverter ACs, frost-free refrigerators, water coolers, and central air conditioning systems.
Yes, the course starts from basic thermodynamics and electrical concepts, making it ideal for anyone starting their technical career.
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