teacher and student looking at HVAC equipment

The Heating, Air Conditioning and Refrigeration Service Technician degree offers training in current technology for diagnosing, servicing, repairing, installing and maintaining heating, air conditioning, refrigeration and energy systems. There are emphases in both residential and commercial HVACR to allow students to create their own career pathways. This degree requires a minimum of 64 credits in program requirements, program electives and general education in the courses listed below.

For more information about Heating, Ventilation, Air Conditioning & Refrigeration, please visit the program page.

Degree Requirements

Field of Study Code: HVACR.AAS.HVAC

Program Requirements
HVACR 1100Refrigeration Principles3
HVACR 1105Introduction to Safety, Materials and Equipment3
HVACR 1108Refrigerant Certification1
HVACR 1110Introduction to Electricity and Hvacr Controls3
HVACR 1161Introduction to Sheet Metal2
HVACR 1181Heating Principles3
HVACR 2180Residential and Light Commercial Forced-Air Heating3
HVACR 2186Hydronic Heating3
HVACR 2201Residential Air Conditioning3
HVACR 2202Commercial Air Conditioning3
HVACR 2220Installation3
HVACR 2225Troubleshooting Systems3
Program Electives
select at least 13 credits from hvacr course(s)/ 1, 213
General Education
Select 18 to 22 credits 218-22
Total Credits64-68

Students may choose to focus elective coursework by focusing on Residential or Commercial Service by taking emphasis courses. Students may also choose general electives in any HVACR courses.


In addition to the courses listed above.

Emphases Courses

Residential Service

HVACR 2232Energy Audits/Economics2
HVACR 2240Load Calculations and Duct Design5
HVACR 2260Heating and Air Conditioning Contracting3

Commercial Service

HVACR 2210Commercial Refrigeration5
HVACR 2236Central Cooling Plants3
HVACR 2250System Balancing3

General Education Requirements

For general education requirements for the A.A.S. degree, please visit the A.A.S. degree catalog page.

Suggested Semester Sequence

Plan of Study Grid
First SemesterCredits
HVACR 1100 Refrigeration Principles 3
HVACR 1105 Introduction to Safety, Materials and Equipment 3
HVACR 1110 Introduction to Electricity and Hvacr Controls 1 3
HVACR 1181 Heating Principles 3
Gen EdMathematics 3-5
Second Semester
HVACR 1108 Refrigerant Certification 1
HVACR 1161 Introduction to Sheet Metal 2
HVACR 2180 Residential and Light Commercial Forced-Air Heating 3
HVACR 2201 Residential Air Conditioning 3
HVACR 2202 Commercial Air Conditioning 3
ENGLI 1101
English Composition I
or Workplace Writing
Summer Semester
ElectiveProgram Elective 3
Select one of the following: 3
Fundamentals of Speech Communication  
Small-Group Communication  
Introduction to Business Communication  
Third Semester
HVACR 2186 Hydronic Heating 3
HVACR 2225 Troubleshooting Systems 3
ElectiveProgram Elective 3
ElectiveProgram Elective 3
Gen EdPhysical and Life Sciences 3-5
Fourth Semester
HVACR 2220 Installation 3
ElectiveProgram Elective 3
Gen EdHumanities and Fine Arts 3
Gen EdSocial and Behavioral Sciences 3
 Total Credits63-67

Fulfills Global/Multicultural Studies/Life Skills Gen Ed Category.

Program Milestones

First Semester

  • Consider joining or visiting with a professional, cultural or interest-based Student Club.

Second Semester

  • If you have not done so yet this semester, it is important to make an appointment with a Faculty or Program Advisor to discuss your future academic progress.