ASE A7 // STUDY HOME
HVAC
Refrigerant pressures, blend door diagnosis, blower motor speeds, cabin air filtration, climate control logic, EV heat pump operation. The "why is it blowing warm?" track.
ASE A7 EXAM · 50 SCORED QUESTIONS · 75 MIN
A7 READINESS
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Take your first A7 quick test to set your baseline.
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Start with a baseline test
25 questions, 30 minutes. Tells you where you actually stand on A7 before you spend hours studying the wrong topics.
FLAGSHIP SIM · LIVE
A7 HVAC Diagnostic
Multi-step diagnostic scenario · 60-point scoring · 15-20 min
A7 Modules
0 live · 10 total
PRACTICE TEST
A7 Practice
50 questions · 75 min
FLASHCARDS
A7 Drill
Quick recall
FULL LIBRARY
All Modules
A1–A9 catalog
A7 Resources
REFERENCE · LIVE
A7 R-1234yf vs R-134a
Side-by-side comparison: pressures, lubricants, evacuation, tools, safety. Cross-contamination prevention.
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REFERENCE · LIVE
A7 Pressure Pattern Library
Six manifold gauge patterns: normal, undercharge, overcharge, restriction, weak compressor, moisture.
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REFERENCE · LIVE
A7 Service Procedure Card
3-phase recovery / evac / charge with pass criteria and platform charge-weight table.
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REFERENCE · LIVE
A7 Climate Sensor Map
Every ATC sensor — role, normal value, failure footprint, location. Cross-check cheat sheet.
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