# HVACR Level II (Certificate) Butte College · 2026-2027 Catalog · Department: Heating, Ventilation, and Air Conditioning Source: https://butte.curriqunet.com/catalog/iq/25398/28408/28136/28109/28371 **About the Program** **Program Goal:** Career **GE Pattern(s):** None **Program Code:** HVACRLEVELII.CC This certificate in HVACR Level II covers Commercial Airside Systems, Chimneys, Vents, and Flues, Introduction to Hydronic Systems, Air Quality Equipment, Leak Detection, Evacuation, Recovery, and Charging, Alternating Current, Basic Electronics, Introduction to Control Circuit Troubleshooting, Troubleshooting Gas Heating, Troubleshooting Cooling, Heat Pumps, Basic Installation and Maintenance Practices, Sheet Metal Duct Systems, and Fiberglass and Flexible Duct Systems. **Program Learning Outcome(s):** Upon successful completion of the program, the student will be able to: 1. Practice safety skills required on job sites. 2. Apply precision measurement strategies and unit conversion skills. 3. Manage and maintain the mechanical and electrical systems used in HVACR equipment. | Course | Title | Units | | --- | --- | --- | | **Required courses:** | | 12 | | HVAC 21 | Introduction to the Refrigerant System | 4 | | HVAC 22 | Intermediate HVACR Components | 4 | | HVAC 23 | Intermediate HVACR Concepts | 4 | | **Total** | | **12** |