A7 Heating and Air Conditioning Practice Tests

A7 Heating and Air Conditioning – Preparation Tips

The A7 test focuses on the diagnosis and repair of automotive heating and air conditioning systems. ASE wants you to understand refrigeration system components, heating and engine cooling system interaction, and proper refrigerant recovery, recycling, and handling procedures.

Key Areas Covered:

• A/C System Diagnosis and Repair — Performance testing, pressure diagnosis, and system troubleshooting
• Refrigeration System Component Diagnosis and Repair — Compressor, condenser, evaporator, and related component diagnosis
• Heating and Engine Cooling Systems Diagnosis and Repair — Heater core, thermostat, and coolant system diagnosis
• Operating Systems and Related Controls Diagnosis and Repair — Blend doors, blower motors, and control head diagnosis
• Refrigerant Recovery, Recycling, and Handling — Proper recovery equipment use and environmental handling procedures