Refrigeration and Air Conditioning Mechanic - Heating, Refrigeration and Air Conditioning Technician

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Program Code: 3838

School: School of Engineering Technology and Applied Science

Credential: Diploma

Program Type: Post-secondary program

Program Length: 2 years/ 6 semesters

Start Date: Fall

Location: Progress Campus


Telephone: 416-289-5000, ext. 2356

In the Refrigeration and Air Conditioning Mechanic - Heating, Refrigeration and Air Conditioning Technician program, you not only train as an apprentice in the Refrigeration and Air Conditioning trade (313A), you also obtain a two-year post-secondary Heating, Refrigeration and Air Conditioning diploma.

Through the Heating, Refrigeration and Air Conditioning Technician courses in this college technology program, you acquire a broad knowledge of the design, installation and service techniques of heating, refrigeration and air conditioning systems for commercial and residential settings. You learn to service, maintain, size and select equipment for air conditioning and refrigeration applications, while being introduced to hydronics and forced air heating.

These applied science studies include a co-op work placement component. To make your co-op experience meaningful, the Career Services and Co-operative Education department staff works closely with you. At the same time, they collaborate with a wide variety of organizations in business and industry to assist you with the sourcing of and preparation for co-op work placement opportunities.

Please note: This program will be offered in Fall 2018, subject to Ministry approval.

Semester 1
Course Code Course Title Location
COMM-160/161 College Communication 1 Progress Campus
MATH-101 Mathematics 1 Progress Campus
RACH-111 Electrical Fundamentals Progress Campus
RACH-112 Cooling Cycles Fundamentals Progress Campus
RACH-113 Heating Fundamentals 1 Progress Campus
RACH-114 Pipe Joining , Installation, Welding, Gas Piping and Safety Progress Campus
Semester 2
Course Code Course Title Location
COOP-621 Employment Preplacement 4 Progress Campus
GNED General Education Elective Progress Campus
GNED General Education Elective Progress Campus
RACH-121 Electrical & Control Systems Progress Campus
RACH-122 Pressure Enthalpy and Refrigerants Cooling Systems and Components Progress Campus
RACH-123 Heating Fundamentals 2 Progress Campus
RACH-124 Plan Specifications and Load Calculations Systems and Components Progress Campus

Semester Note

COOP-622 Co-op Apprentice Placement 1

COOP-623 Co-op Apprentice Placement 2

Semester 3
Course Code Course Title Location
COMM-170/171 College Communication 2 Progress Campus
GNED-500 Global Citizenship: From Social Analysis to Social Action Progress Campus
MATH-216 Mathematics for HRAC Progress Campus
RACH-211 Advanced Electrical Progress Campus
RACH-212 Auto Cad, Prints & Heat Load Calculations Progress Campus
RACH-213 Heating Hydronic Fundamentals Progress Campus
Semester 4
Course Code Course Title Location
AMEG-212 Applied Ethics in Technology and the Environment Progress Campus
RACH-221 Capstone Project Progress Campus
RACH-222 Applied Psychrometrics Progress Campus
RACH-223 Air Conditioning & Distribution Systems Progress Campus
RACH-224 Electrical and Control Systems Progress Campus
RACH-225 Air Distribution Systems & Accessories Progress Campus

Semester Note

Some courses may be offered in an online, blended or hybrid format.

Program Highlights

  • The Refrigeration and Air Conditioning Mechanic program fulfills the requirements for both the in-school apprenticeship curriculum and an Ontario College Diploma.
  • You learn through both in-school theory and lab experiences.
  • Specific topics covered include the fundamentals of refrigeration and its components, selection of equipment to meet the Season Energy Efficiency Ratio (SEER) standards, the efficiency standards of heating equipment, and installation and service techniques.

Career Outlook

  • Refrigeration and air conditioning systems mechanic
  • Heating technician (upon completion of G3)
  • Sales representative
  • Service representative

Academic Requirements


  • Applicants must be eligible to work as apprentices in Ontario
  • Mature applicants must present Ontario Secondary School Diploma (OSSD), High School Diploma or Certificate (OSSC) or GED (General Educational Development)
  • Applicants educated outside of Canada must present evaluations of credentials equivalent to the above

Additional Requirements

  • Complete a questionnaire to assess co-op employability
  • Attend a mandatory program admission session where applicants will briefly discuss their questionnaire answers with faculty


  • After applying, applicants will receive a letter with instructions on how to book and prepare for the program admission session.
  • This program is highly competitive. Applicants are ranked based on a combination of English and Mathematics grades, as well as the results of the interview.

Co-op Requirements

  • Completion of all core courses from year 1.

1. Apply Online

Apply online at

A non-refundable application fee of $95 must accompany applications. The fee is payable online, by telephone, online banking, by mail, or in person to More info on Application Fees.

If you are applying through the Second Career Strategy, please apply at the Employment Training Centre for Second Career (Progress Campus). Second Career Strategy is a funding initiative for those who have been laid-off and are in need of training. More info on Second Career Strategy.

If you have previously attended a full time program at Centennial College, you may be eligible for a Program Transfer. Visit Enrolment Services at any Campus for information.

2. Submit Documents

Ontario high school students and graduates
Notify your guidance counsellor that you have applied to college and your school will forward transcripts to Centennial College via

Graduates of college/university, or high school outside Ontario but within Canada
You are responsible for requesting that your educational institute sends any required documents and transcripts to

Applicants who attended school outside of Canada
If you are submitting transcripts to meet admission requirements, you must have the transcripts assessed by an independent credential assessment agency such as World Education Services (WES) or International Credential Assessment Service (ICAS).

More info on submitting documents.

3. Confirm Your Offer of Admission

Offers of Admission are sent by mail to eligible applicants. When you receive your offer, you must login to your account at and confirm before the Deadline to Confirm noted in your offer letter.

You may confirm only one college and one program offer at a time.

You must confirm your offer by the Deadline to Confirm noted in your Offer of Admission letter or your seat may be given to another applicant.

When you confirm your Offer of Admission at Centennial College you are given access to your personal myCentennial account where you can check your email, grades, register for courses, pay tuition fees, and see your class timetable.

4. Pay Fees

Centennial fees statements are sent by email to your personal email account and to your myCentennial email account. Fees statements are not mailed.

You must make a minimum payment by the Fees Deadline noted in your Fees Statement or your seat may be given to another applicant.

5. Build Your Timetable (Register for Courses)

Build your timetable (web-register for courses) at

Fall registration begins mid-July
January registration begins mid-December
May registration begins mid-April

Your web-registration will not open if:

You have not submitted your minimum fee payment by the deadline
You received a Conditional Offer of Admission and you have not met the conditions of your offer.

Once you have paid your fees or have made appropriate arrangements, register for your courses online through myCentennial.

Fees noted below are estimates only. Tuition is based on two semesters, beginning Fall 2015.

Student Tuition (2 Semesters) Incidental Fees Total
Canadian $2,767.00 $1,292.00 $4,059.00
International $12,800.00 $2,837.00 $15,637.00