ASE Automobile & Light Truck Heating and Air Conditioning (A7) Certification — Requirements & Free Practice

US · License preparation

200 free questions · Answer explanations · No signup required

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Licenses, application pathways and examination requirements

Each license and applicant pathway has its own requirements and exemptions. Choosing practice questions does not determine your eligibility.

Initial by examination

Experience: ASE requires relevant hands-on work experience; its Repair Technician table specifies two years full-time or part-time equivalent for A1-A9, with possible ASE-recognized education or other substitutions.

Exam questions: Total questions: 60; Scored questions: 50; Unscored questions: 10; The total includes the scored and unscored questions.

Examination outline

Heating, Ventilation, A/C (HVAC), and Engine Cooling System Service, Diagnosis, and Repair (42%)
Refrigeration System Component Diagnosis and Repair (20%)
- Compressor and Clutch
- Evaporator, Condenser, and Related Components
Operating Systems and Related Controls Diagnosis and Repair (38%)
- Electrical
- Vacuum/Mechanical
- Automatic and Semi-Automatic Heating, Ventilating, and A/C Systems

Examination sources