The outcome gives you great understanding being an assistant for first year apprenticeship. 

The outcome is an advanced understanding in practical air conditioning and refrigeration

The outcome is a perfect technician for installing new plants as well as repairing, faultfinding and maintenance for commercial refrigeration plants

The outcome is for supervisors and company owners as well as designers, designing their own plants for special applications on commercial and industrial refrigeration
Ammonia course

The outcome of the ammonia diploma is for operators, supervisors and designers working in the field of ammonia refrigeration

The program is designed for the first year apprenticeship. The outcome is a perfect assistant working efficiently with the Technician and is an asset to be employed.

New installations on cold rooms and refrigeration plants, Servicing maintenance, repair, faultfinding, improvements for energy savings.

For the supervisors, plant operators and plant designers. Including commercial and industrial refrigeration, secondary cooling and CO2 plants.

For technicians, supervisors and designers working in the Air-Conditioning industry for heating and cooling on central Air-Conditioning plants.

Ammonia course
For people working in ammonia. Technicians, supervisors, operators and designers. Ammonia industrial plants are used for cold stores, dairies, breweries.

Welcome To

OTTC

Open Trade Training Centre

Open Trade Training Centre (OTTC) is a leading training provider of commercial and industrial refrigeration, and air-conditioning training in South Africa.

Founded in 1992 by Peter and Isolde Döbelin to address the shortage of vocational skill training in the South African refrigeration and air-conditioning industry, the company’s mission is to transfer relevant technical knowledge and work skills to workers, practitioners, entrepreneurs and employers alike.

Today OTTC is renowned for its training excellence locally, internationally and in the neighboring countries. Close to five thousand participants have attended the popular industrial refrigeration training courses at OTTC in Springs, South Africa.

For many years now German international standards are renowned to be some of the highest in the world. We at OTTC have chosen to support these values and standards and implement them into our curriculum.

Sponsor Companies

The OTTC team and Isolde Döbelin would like to say thank you for your generous sponsorship’s to build a German-standard CO2 refrigeration training plant. With your contribution and Christian Richter’s expertise we can transfer German-standard technology to our students. This has brought the OTTC training centre to the next level. Thank you.

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PROJECT BASED EDUCATION

Developing our skills together

The OTTC family of educators encourages each student to team up to enjoy project work as we want all our students to walk away proud.

To have learned and achieved the goals we set out together.

All OTTC courses are practical as well as theoretical.

Our courses offer a good compromise between the continuous academic knowledge and the practical (Technical) application of that knowledge so that our students are well rounded in their understanding. In fact, we have had many students placed in the industry directly because of their acknowledged skills.

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Our Courses

Our courses offer a good compromise between practical and theoretical.

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OTTC – Air Conditioning for

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OTTC Refrigeration & Air-conditioning for beginners is a program designed for the first year apprenticeship. The outcome is a perfect assistant working efficiently with a

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OTTC – Practical Diploma

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“EDUCATION, the best investment you’ll ever make”.OTTC Refrigeration and Air-Conditioning courses, make the choice now!Consider a future in this trade and be one of the

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OTTC – Technical Diploma

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OTTC – Technical Diploma. This diploma is set to the new German pilot program 2019 and designed by Christian Richter.Precondition:OTTC Practical Diploma, or equivalent.Ottc teaches

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OTTC – Air Conditioning Diploma

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In refrigeration and air-conditioning Open Trade Training Center training offers the best money can buy. For the Air-Conditioning diploma we teach you the principles of air conditioning.  Open

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OTTC – Ammonia Diploma

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OTTC Ammonia Diploma Specialized program: for people working in ammonia, technician, supervisor, operator, and designer. Ammonia Industrial Plants are used for cold stores, chicken-factories, dairies,

OTTC Web Links

Please feel free to browse around and look at all of OTTC.

we are the best in the business and would like you to join us.

We hope you have a special and great day.

What Students Say?

Thousands of students have already studied at OPEN TRADE TRAINING CENTRE, it’s time for you to get enrolled.

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We Want To Say "Thank you!"

This “thank you” follows all of our students home and abroad and sends you the best of wishes – you have been both aspiring students and good people.

We work hard to prepare every student for their professional life

Our courses offer a knowledgeable and practical approach to providing our students the best opportunity to excel in their respective industries. 

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