Exam Domains
1 Refrigeration Fundamentals and Cycle Theory
Weight not published
2 Electrical Theory and Controls
Weight not published
3 Heating Systems (gas, oil, electric, heat pumps)
Weight not published
4 Air Conditioning and Cooling
Weight not published
5 Air Distribution and Ventilation
Weight not published
6 EPA 608 Refrigerant Handling
Weight not published
7 Load Calculations and System Sizing
Weight not published
8 Troubleshooting and Diagnostics
Weight not published
9 Safety and OSHA
Weight not published
10 Business and Law (for contractor exams)
Weight not published