Free ASE A7 Practice Test: Heating and Air Conditioning
A7 covers refrigerant service and pressure diagnosis, refrigeration components, engine cooling, and the blend-door, blower and automatic climate controls that run the system.
50 Heating and Air Conditioning questions in 63 minutes, ASE’s pace, scored by content area with a worked explanation for every answer.
Or start with a free A7 drillA vehicle with an electrically controlled heater coolant valve has no heat. The engine is at normal temperature. The scan tool shows the valve commanded open, the hose leading into the valve is hot, and the hose leaving the valve is cold. What is the most likely cause?
ASE A7 test format
- Scored questions
- 50
- Unscored research questions
- 10
- Time
- 75 min
- Recertification test
- 25 Qs · 30 min
The unscored questions are mixed in and not marked, so you can’t tell which ones count. Our full A7 practice test gives you the 50 scored-question count in 63 minutes, the same pace as the real test.
What’s on the A7 test
ASE’s task list splits the A7 into 3 content areas. Your score report shows how you did in each one.
| Content area | Scored questions | Share |
|---|---|---|
| A. HVAC and Engine Cooling System Service and Diagnosis | 21 | 42% |
| B. Refrigeration System Components | 10 | 20% |
| C. Operating Systems and Related Controls | 19 | 38% |
Take the A7 under real time limits
50 Heating and Air Conditioning questions in 63 minutes, ASE’s pace, scored by content area with a worked explanation for every answer.
Or start with a free A7 drillFree A7 practice drills
Ten questions with the explanation after each answer. Create a free account to save your results; each drill’s first attempt is free.
ASE A7 questions
How many questions are on the ASE A7 test?
A7 has 50 scored questions plus 10 unscored research questions, 60 in total, with 75 minutes.
Does ASE A7 give me EPA Section 609 certification?
No. ASE states that A7 does not satisfy the EPA Section 609 refrigerant requirement. ASE offers a separate Refrigerant Recovery and Recycling Review and Quiz for Section 609.
Ready for test day?
50 Heating and Air Conditioning questions in 63 minutes, ASE’s pace, scored by content area with a worked explanation for every answer.
Or start with a free A7 drillOther ASE practice tests
- ASE A1 Engine Repair practice test
- ASE A2 Automatic Transmission/Transaxle practice test
- ASE A3 Manual Drive Train and Axles practice test
- ASE A4 Suspension and Steering practice test
- ASE A5 Brakes practice test
- ASE A6 Electrical/Electronic Systems practice test
- ASE A8 Engine Performance practice test
- ASE G1 Auto Maintenance and Light Repair practice test
- All ASE practice tests
Format and content areas are from ASE’s published study guide, checked October 2026: ASE Automobile & Light Truck Study Guide (A1–A9) · ASE A Series test page.
Original independent practice written from ASE’s public task list. Not affiliated with or endorsed by the National Institute for Automotive Service Excellence (ASE) or Prometric.