HVAC - Heating Systems Specialist Download as PDF HEATING SYSTEMS SPECIALIST SHORT-TERM CERTIFICATE – Guided Pathway/Map Item # Title Credits ACR 119 Fundamentals of Gas Heating Systems 3 ACR 147 Refrigerant Transition and Recovery Theory 3 ACR 148 Heat Pump Systems I 3 Sub-Total Credits 9 Total credits: 9 Overview Program HVAC Type Short-Term Certificate
