ACR 0643C - Intermediate HVAC Level 2 ACR 0643C - Intermediate HVAC Level 2 Content includes refrigerants and oils, compressors, metering devices, retail refrigeration systems, commercial hydronic systems, and steam systems. Semester Hours: 150 clock hours Semester pring Fees: Lab Fee Course Designations: Post-Secondary Adult Vocational
Prerequisites: BCV0003C, ACR0640C, ACR0641C