Commercial Refrigeration Technology

Refrigeration and ventilation systems are growing more efficient and more complicated every year. Installing, fixing and maintaining these systems requires specialized, up-to-date knowledge and experience. This program prepares graduates to work as commercial service technicians on refrigeration, air conditioning and heat pump systems. Students work in the classroom and on real appliances to get a thorough understanding of electrical and refrigeration theory. They will learn to service, repair, and troubleshoot equipment, and how to safely handle, store, and dispose of refrigerants. They will also gain experience in the brazing and soldering of copper, steel, and aluminum. This program meets Washington State Department of Labor and Industries, Electrical Section standards.

Program Map: Guide to program costs, careers, and classes.

Enrollment Point: Fall, Winter, Spring

Commercial Refrigeration Technology

Certificate of Completion
4 Quarters
56-57 Credits
Associate of Applied Science
AAS - Transfer
Bachelor of Applied Science

All program lengths are estimates and are not guarantees. For the most current program information, check with an adviser by calling (425) 235-5840.

Median Salary
Projected Growth
Annual Job Openings

These amounts are based on median entry level wages, they are estimates and are not guarantees. For more information, visit


At Renton Technical College, tuition is affordable and competitive.

Financial Aid

Federal aid is available for most students to help pay for school. Fill out your FAFSA now to get started.


The RTC Foundation offers scholarships to help pay the costs of attending school.

All costs are estimates and are not guarantees. For the most current program information, check with an adviser by calling (425) 235-5840.

Please see the online class schedule for day & time information.


Entry Requirements

Admission Recommendations

  • Mechanical aptitude which is defined as follows:
    • Problem Sensitivity - The ability to tell when something is wrong or is likely to go wrong. It does not involve solving the problem, only recognizing there is a problem.
    • Deductive Reasoning - The ability to apply general rules to specific problems to produce answers that make sense.
    • Inductive Reasoning - The ability to combine pieces of information to form general rules or conclusions (includes finding a relationship among seemingly unrelated events).
  • Counselor and instructor interview
  • Valid Washington State driver's license
  • Insurable (good driving record) to employer requirements
  • Criminal background check should be clear for the time specified by employer’s application
  • Ability to pass entry and periodic drug testing as required by employers
  • Tools and Program Textbooks as Required

Course Information

Requirements for Certificate:

Course # Course Title Credits

COL 101

College Success


MEC 102*

Industrial Direct Current


MEC 103*

Industrial Alternating Current


HVAC 107

Refrigeration Fundamentals


HVAC 111

Control Fundamentals


HVAC 115

HVAC Systems and Lab


HVAC 116

HVAC/Plumbing Distribution and Lab


HVAC 213

Motor Control Principles and Lab


HVAC 228

EPA Regulations and Refrigerant Recovery


HVAC 251

Light Commercial Refrigeration Service


WTD 109

Safety, Tool and Equipment Certification


WTD 168

Trades Math I


WTD 175

Communication for Trades


WTD 180

Human Relations for Trades



Approved elective option


  Total 56-57

*Students can substitute CBE 101 (6 credits) in place of MEC 102 (3 credits) and MEC 103 (3 credits).

Approved Elective Options:

Course # Course Title Credits
CBE 210/MEC 105

Programmable Logic Controls – Allen-Bradley


CBE 211/MEC 109

Programmable Logic Controls – Siemens


CBE 212/MEC 111

Programmable Logic Controls I


CBE 218/MEC 113

Programmable Logic Controls II


Program Outcomes

Program Outcomes for Major Appliance and Refrigeration Technology programs:

  • Practice industry safety standards for the installation and operation of all major appliance products
  • Select and properly use appropriate instruments, tools, and equipment
  • Utilize technology to access service and parts information
  • Demonstrate leadership, motivation, and problem-solving skills in diverse and complex work situations
  • Communicate effectively in writing and verbally with customers, co-workers, and supervisors
  • Diagnose and repair malfunctions on major appliance, home, residential and commercial refrigeration products


External accreditation is not applicable to this program.


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