Program Information

Refrigeration and air conditioning mechanics install, maintain, repair and overhaul residential central air conditioning systems, commercial and industrial refrigeration and air conditioning systems and combined heating, ventilation and cooling systems.

The Heating, Refrigeration & Air Conditioning Technician Ontario College Diploma prepares graduates for entry level positions in Electrical, Refrigeration, Sheet Metal or Heating and Air Conditioning Industries. 

Curriculum follows the prescribed TSSA Gas Technician 3 and Gas Technician 2 syllabus, providing an opportunity for external certification. Graduates will also be eligible to write the external Refrigeration Handling Certification - Ozone Depletion Prevention. 

See Course List

Admission Requirements

O.S.S.D. or equivalent with:

  • Grade 12 English C or U
  • Grade 12 Mathematics C or U

Please Note: Grade 12 Mathematics for College Technology or any Grade 12U mathematics is recommended; Grade 12 Foundations for College Mathematics (MAP4C) minimum final grade is 60%. If the program is highly competitive, preference will be given to students having Grade 12 Mathematics for College Technology or any Grade 12U mathematics, as well as Physics C or U.

Mature applicants must be at least 19 years of age by the start of classes, be out of secondary school for at least one year and usually do not have a high school diploma. Mature applicant assessment for this program is available in the Counselling Department in the subject of English. The assessment(s) will demonstrate proficiency in required admission subjects. For all other admission requirements applicants must complete the required course(s) as listed above. For more information please contact the Counselling Department at ext. 3412. Academic admission requirements can be obtained through Academic Upgrading and Pre-Programs at Lambton College.

Course List

COM-1113: Workplace Communications

This course focuses on skills required in any organization or position: writing business documents, responding to realistic scenarios, and speaking in an organized and vibrant manner. Students will practice professional communications skills by producing, revising, and editing short business documents and engaging in verbal interactions and presentations.

OHS-2012: Health and Safety

The graduate of this course will have a good understanding of safety aspects of the law, the legal responsibilities of the workplace, and his/her own legal rights and responsibilities, as well as work processes and procedures being used in present-day industry. This course will give them a basic understanding of the Occupational Health & Safety Act and its associated Regulations, and an understanding of health and safety issues in an industrial setting.

HVA-1504: Fundamentals of Refrigeration

A theoretical and practical introduction to the fundamental principles of Refrigeration, Heating and Air Conditioning systems is provided. Students are introduced to government codes and regulations regarding the industry and to the principles of various systems operation's and installation. Safety requirements, use and selection of various tools, instruments and fasteners are also studied in both theory and lab environments. The fundamental principles required to plan and install different types of piping for a variety of refrigeration, air conditioning and heating systems are also covered.

HVA-1716: Gasfitter 3: Codes and Work Practices

Students will learn hazards and safety procedures that relate to working conditions, and the safe handling and procedures for materials they will be using. Students will be introduced to common fasteners, hand and power tools used in the HRAC field. Students will study the origin and properties of natural gas and propane, identify the characteristics of complete and incomplete combustion, upper and lower explosive limits, potential sources of ignition, carbon monoxide and other by-products of incomplete combustion. In addition, students will examine the natural gas and propane installation codes and code adoption documents, Ontario regulations, and standards associated with the manufacturing, testing, installation, and servicing of natural gas and propane appliances, components, and equipment.

MTH-1084: Mathematics for Electrical Circuits

This course reviews and develops topics in basic computation, measurement, algebra, geometry, trigonometry, and linear functions, emphasizing their electrical applications.

GED-XXX3: General Education Elective

HVA-2154: Heating I

HVA-2157: Gasfitter 3: Electrical, Piping and Venting Systems

HVA-2504: Fundamentals of Refrigeration II

HVA-2042: Welding and Pipefitting

JSS-1001: Job Search and Success

This course is designed to give the student an understanding of how to conduct a job search and how to succeed in the work place. This includes self-reflection, effectively designing a cover letter and resume, online job searches utilizing social media, behavioural based interviewing as well as marketing oneself effectively in a job interview. Job safety, successful work strategies and harassment and discrimination plan of action is also discussed.

ELC-1232: Introduction to Electrical Code

GED-XXX3: General Education Elective

GED-XXX3: General Education Elective

Academic Break

CPL-1049: Co-op Work Term (optional)

Co-operative education provides students with the opportunity to apply classroom learning to the workplace, undertake career sampling and gain valuable work experience that may assist students in leveraging employment after graduation. For further information regarding co-op, please refer to: https://www.lambtoncollege.ca/co-op_and_career/

HVA-3504: Fundamentals of Refrigeration III

This hands-on course provides introductory training to install, service, maintain and update refrigeration systems,select appropriate types of condensers, evaporators, compressors, refrigerant, and flow controls. Students also learn joining and connection operations that conform to industry code, proper use of recovery equipment,troubleshooting refrigerant problems and use of electronic scales for charging.

HVA-3031: Safety and Material Handling

HVA-3214: Gasfitter 2: Advanced Piping, Building Systems and Appliances

This course examines gas code requirements for industrial and commercial propane and natural gas piping systems intended for gas pressure systems exceeding 2 psi.. Piping layout, drawings, symbols, joining methods, identification of underground piping and pressure testing are studied. Welding safety, certification and procedures are also included. This course covers the different types of gas ranges, servicing of gas ranges, oven controls and their calibration, testing burners and ignition systems. The installation and service requirements for clothes dryers, moisture exhaust venting, and dryer burner ignition systems are also studied. This course examines prevailing construction methods and technologies that support the concept of a building as a series of interdependent parts. Students will learn about air distribution systems, balancing and code requirements.Key components of the building as a system are taught including the relationship between heat, moisture and airflow and how to minimize negative impacts on the building. Principles of heat loss and gain are also studied.

HVA-3229: Gasfitter 2: Electricity and Controls

HRAC technicians must understand how electrical power is supplied and accessed, as well as the various methods and devices used to ensure that the electricity is distributed safely. This course examines amperage service, ground fault circuit interrupters (GFCI), electrical bonding to gas piping, single-phase and three-phase power supply, electrical hardware, types and ratings of fuses and breakers as well as types and gauges of wire. It also introduces students to thermocouple and power pile DC millivolt systems. In addition, it focuses on appliance wiring, schematic diagram design and interpretation. Using furnace simulation boards and gas-fired furnaces, students will design and draw schematic and wiring diagrams for natural draft, gas assisted and high-efficiency furnaces. Students will then learn to wire and troubleshoot operational faults. This course covers control concepts and components associated with gas fired appliances including: the basic control system, operating controllers, limit and safety controllers, combustion and safety controls, ignition control modules, valves, regulators and motors. Numerous practical shop projects assist in reinforcing the theoretical concepts.

HVA-3233: Gasfitter 2: Gas Pressure Controls and Gas-Fired Refrigeration

A thorough understanding of the principle elements of gas pressure regulators and their operation is necessary in order to properly install and service gas equipment. This course explores the need for pressure regulators, examines the code and regulation requirements, explains the basic operation of a regulator, compares different types of regulators, regulator selection requirements, location and piping practices as well troubleshooting common regulator problems.

HVA-4162: HVAC Building Automation

HVA-4503: Fundamentals of Refrigeration IV

HVA-4243: Gasfitter 2: Conversion Burners, Water Heaters and Combination Systems

HVA-4254: Gasfitter 2: Forced Air Systems

HVA-4265: Gasfitter 2: Hydronic Systems and Venting II

HVA-4274: Gasfitter 2: Air Handling, Space Heaters and Appliances

Program Maps

Current Students

Current students can view program maps from previous years on the mylambton website. 

You will need to login with your C# and password in order to access your program map.

Employment Opportunities

Apprenticeship possibilities and job prospects are excellent, with above average wages and steady employment. Graduates find work in heating, air conditioning, sheet metal, electrical and refrigeration contracting firms. Other opportunities include petrochemical, building and facilities services, wholesale, distribution, parts and equipment manufacturing companies.  

Career positions may include, but are not limited to: central air conditioning mechanic, commercial air conditioning mechanic, heating and cooling mechanic, commercial air conditioning mechanic, heating and cooling mechanic, heating, ventilation and air conditioning (HVAC) mechanic, refrigeration and air conditioning mechanic apprentice. 

Apprenticeship & Trades Training
519-541-2444

-or-

Program Information
519-541-2403
info@lambtoncollege.ca

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