Image of Air Conditioning Students
AHR Students Demonstrating Air Condition Equipment

Air Conditioning, Heating & Refrigeration Technology Diploma

Program Code: 

The Air Conditioning, Heating, and Refrigeration Technology curriculum provides the basic knowledge to develop skills necessary to work with residential and light commercial systems.

Topics include mechanical refrigeration, heating and cooling theory, electricity, controls, and safety. The diploma program covers air conditioning, furnaces, heat pumps, tools and instruments.

Diploma graduates will be able to assist in the startup, preventive maintenance, service, repair, and/or installation of residential and light commercial systems. 

Upon completion of the diploma, all diploma courses transfer towards the AAS degree. 


Courses requiring a grade of “C” or better: AHR and ELC

First Semester

AHR 111
3 Credit Hour(s)
AHR 112
4 Credit Hour(s)
AHR 130
3 Credit Hour(s)
AHR 170
1 Credit Hour(s)
ELC 132
2 Credit Hour(s)
PHY 121
4 Credit Hour(s)
WLD 113
2 Credit Hour(s)

Second Semester

AHR 110
5 Credit Hour(s)
AHR 113
4 Credit Hour(s)
AHR 160
1 Credit Hour(s)
AHR 171
1 Credit Hour(s)
AHR 213
2 Credit Hour(s)
COM 120
3 Credit Hour(s)

Third Semester

AHR 114
4 Credit Hour(s)
WBL 111
1 Credit Hour(s)

See your advisor for General Education substitutes.

Curriculum is based on 2020-21 catalog.


  • 40 Total Credit Hours Required
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