Residential Air Conditioning Systems Mechanic 313D Pre-Exam

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Please ensure to review the COVID-19 Vaccination Policy prior to registration.
Course Info:
Date(s) - 07/Mar/2022
Monday to Thursday evenings
Deposit Required - $1,211.93
Time(s) - 5:30 pm - 10:30 pm


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40 Hours


Course Description

This is a preparation course for individuals who will be attempting the 313D Certification of Qualifications (C of Q) Examination administered by the Ontario College of Trades (OCOT).

Individuals who are currently enrolled in an apprenticeship program and want a review before writing the C of Q exam are highly recommended to register!

A 313D Residential Air Conditioning Systems Mechanic license will enable you to work on residential air conditioning systems including geo-exchange systems. Specifically, you will be able to plan, lay out, install, start-up, maintain, service, repair, test, verify, commission and decommission residential AC systems, components and their accessories.


Course Outline

This course will provide you with an in-depth theoretical review of all modules to ensure that you have the knowledge that meet industry standards of practice for the trade.



None. HiMark only offers the course and does not administer the C of Q exam. Students are recommended to book their exam through OCOT prior to registration.



None. However, you must be able to provide proof to OCOT of at least 2.5 years (or 4,500 hours) of field experience in a related trade to qualify to write the C of Q exam.

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We are available by phone Monday to Thursday –  7:30 am to 6:30 pm, and Friday from 7:30 am to 4:00 pm
Summer hours (June 21 to August 15) – Monday to Friday from 7:30 am to 4:00 pm
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