EPA-608 HVAC TruePrep AI Tutor

EPA-608 HVAC TruePrep AI Tutor 1.6.0 • New P-T chart & charging calculator: saturation pressures and temperatures for 11 refrigerants, plus superheat and subcooling — works offline • Exam Simulator now sits one EPA 608 section at a time: 25 questions, 18 correct to pass, the way the real exam is scored • Updated for the 2026 refrigerant rules: the AIM Act phasedown, Technology Transitions GWP limits, the leak-repair requirements effective January 1, 2026, and A2L refrigerants with the new cylinder and gauge colors • Two new HVAC units: Electrical Fundamentals & Controls, and Refrigeration Cycle, Charging & Diagnosis — with calculation practice • More lessons and more questions: 121 lessons with 421 diagrams, 1,738 practice questions and 1,386 review questions • New Progress tab: exam readiness for every EPA 608 section and HVAC unit • Question bank audited item by item against the EPA test-topic list and 40 CFR Part 82, with the corrections applied Questions or feedback? contact@trueprepai.net