Heating, Air Conditioning, and Refrigeration Technology Associate of Applied Science Degree Certification Practice Exam

Heating, Air Conditioning, and Refrigeration Technology Associate of Applied Science Degree Refrigerant types—HFC, HFO, hydrofluoroolefin blends—operate under different pressures and require distinct handling protocols. Before enrolling in this program, grasp why EPA regulations classify them separately and how thermodynamic principles govern charge calculations. You’ll also need familiarity with electrical schematics, psychrometrics fundamentals, and basic troubleshooting logic to keep pace with lab work and hands-on system diagnostics throughout the degree.