Harper College

Refrigeration/Air Conditioning Technology AAS Degree

Men fixing heating machines

Earn your degree in refrigeration/air conditioning technology

Career options manufacturing construction icon


  • Commercial HVAC engineering
  • Residential service
  • Equipment installation and design
  • Sales and consulting

This comprehensive degree program gives you the technical and industrial expertise needed to begin a successful career as a heating, ventilation, air conditioning, and refrigeration installer and/or service technician.

Careers in the HVAC/R field are constantly in demand. Graduates of this program can explore multiple job options in the areas of service, installation/design, consulting, sales, and more. Harper’s accredited HVAC/R program has a strong reputation among employers, and many companies routinely recruit students and recent graduates for full-time jobs.

You’ll take a variety of courses in Harper’s state-of-the-art HVAC/R Open Lab, gaining hands-on experience in operation maintenance, service, and repairs of HVAC/R systems.

A.A.S. degree program plan

The courses in this curriculum are theory- designed and service-oriented. Theory courses study heat laws, gas laws, pressures and thermodynamics for energy conservation. Service courses are designed around a strong hands-on philosophy. Emphasis is placed on operation maintenance, service and repairs of heating, air-conditioning and refrigeration systems.

Graduates from this 61 credit-hour program may be employed as service technicians, technical consultants, equipment installers, facility operation engineers, property managers, project managers, insurance adjusters and sales personnel.

Program Requirements

Program Requirements (Hours required: 61)
NumberCourse TitleCredits
First Semester
ELT 110Introductory Electronics4
HVA 101Refrigeration Fundamentals3
HVA 103Heating Principles3
HVA 104Residential Comfort Systems3
MTH 100Applied Math for Technical Careers3
Hours16
Second Semester
ENG 101Composition I3
HVA 102Refrigeration Systems3
HVA 105Heating and Cooling Controls3
HVA 108Domestic Refrigeration Appliances3
Natural Science 23
Hours15
Third Semester
ELT 144AC and DC Motors2
ENG 103Technical and Report Writing3
HVA 106Pneumatic Controls Systems3
HVA 107Commercial Air Conditioning Systems3
HVA 109Commercial Heating Systems3
HVA 110Blueprints and Plans for HVAC2
Hours16
Fourth Semester
ELT 145Variable Frequency Drives2
Humanities or Social and Behavioral Science +3
HVA 200HVAC/R Mechanical Codes and Standards2
HVA 201Refrigeration System Design2
HVA 203Load Calculations2
HVA 204Air Distribution2
HVA 205Customer Service and Support1
Hours14
Total Hours61
1

Students may take MTH 100 or higher.

2

See full list of AAS General Education Electives.

+

The Humanities or Social and Behavioral Science course must meet the World Cultures and Diversity graduation requirement. See full list of AAS General Education Electives.

Program learning outcomes

Students who successfully complete this program will be able to:

  • Use tools of the trade to properly cut, bend, form, flare, solder and braze refrigeration copper tubing.
  • Utilize several techniques for locating refrigerant leaks and make repairs on a refrigeration system.
  • Operate a recovery machine to properly recover refrigerant from a refrigeration system to a recovery cylinder.
  • Properly charge refrigeration and air-conditioning system.
  • Troubleshoot refrigeration and air conditioning systems.
  • Read, interpret and draw electrical schematic diagrams of HVAC equipment.
  • Electrically test and determine the conditions of controls and components of HVAC equipment with a multi-meter.
  • Take pressure temperature readings, graph linear measurements and perform mathematical calculations.
  • Gather data and information on HVAC equipment, components and controls.
  • Recognize tool / instruments of the HVAC trade and know how to properly use them with HVAC equipment.

Related programs

Students interested in HVAC/R may also be interested in:

For more information about the HVAC degree program, contact Admission Outreach at 847.925.6700, or submit a request information form. You can also apply online.

Last Updated: 9/30/26