Commercial HVAC Systems
A.S. Degree Environmental Control Technology · Laney College · 2026-2027 Catalog
The Associate of Science for Commercial HVAC Systems prepares students to install, service, operate, and maintain mechanical systems in a commercial setting. Environmental Control Technology is a technical program offering the theoretical, technical, and problem-solving skills essential for employment in the heating, ventilation, air conditioning, and refrigeration industries. Graduates can seek employment as HVACR technicians, installers, building engineers, and facilities operators.
Career Opportunities
Graduates can seek employment as HVACR technicians, installers, building engineers, and facilities operators.
Program Learning Outcomes
Upon completion of this program a student will be able to:
- Demonstrate proper and safe use of chemicals, combustible materials, electricity, high-pressure gases, and tools used for mechanical systems.
- Explain the theories for refrigeration, air conditioning, and system components effectively in technical language.
- Demonstrate and apply critical thinking and analysis to mechanical and building systems.
| Course | Title | Units |
|---|---|---|
| First Semester (10 units): | 10 | |
| ECT 13 | Fundamentals of Refrigeration | 4 |
| ECT 12 | Blueprint Reading and Interpretation for ECT | 1.5 |
| ECT 211 | Mechanical and Electrical Codes | 1.5 |
| ECT 214 | Technical Mathematics for ECT | 3 |
| Second Semester (9 units): | 9 | |
| E/ET 202 | Fundamentals of Electricity for ECT | 2 |
| ECT 15 | Advanced Refrigeration & Troubleshooting | 3 |
| ECT 17 | Fundamentals of HVAC and Troubleshooting | 3 |
| ECT 18 | HVAC Installation Practices | 1 |
| Third Semester (9 units): | 9 | |
| E/ET 221 | Motors and Drives | 3 |
| ECT 21 | Introduction to Direct Digital Controls | 3 |
| ECT 22 | Commercial HVAC Systems and Troubleshooting | 3 |
| Fourth Semester (8.25 units): | 8.25 | |
| ECT 28 | Energy Management and Efficiency in Building Systems | 2 |
| ECT 213 | Indoor Air Quality and Building Envelope | 1 |
| ECT 19 | Psychrometrics and Load Calculations | 2 |
| ECT 25 | Introduction to Building Commissioning | 2 |
| WELD 215A | Welding Processes for ECT Technicians: Arc Welding | 0.75 |
| WELD 215B | Brazing and Soldering for ECT Technicians | 0.5 |
| Total Major Units: | 36.25 | |
| General Education Requirement: | 21 | |
| Electives to meet 60 units: | 0 | |
| Total Units: | 60 | |