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Master EPA 608 and NATE Core exams with comprehensive practice tests, AI-powered mistake tracking, and detailed explanations. Join thousands of technicians who passed with our prep.
EPA 608 Practice
Core + Type I, II, III
18
Correct
3
Incorrect
4
Skipped
Practice Questions
Pass Rate
Day Study Plan
Free Access
Our comprehensive platform combines proven study methods with cutting-edge AI technology to maximize your chances of success.
Practice with 100 timed questions mirroring real exam conditions. Build stamina and familiarity with the actual test format.
Our AI identifies your weak areas and creates a personalized study plan. Focus on what you need most.
Every question includes comprehensive explanations. Understand the why, not just the what.
Follow our structured 30-45 minute daily sessions. Stay on track with a proven study sequence.
Download our comprehensive EPA 608 study guide. Key definitions, recovery requirements, and practice questions offline.
Latest regulations on A2L refrigerants and HFC phase-downs included. Stay current with industry changes.
From EPA 608 to NATE Core, we've got you covered with targeted practice for every certification path.
Required for all refrigerant handling
Core Section
Ozone depletion, Clean Air Act, safety procedures
Type I - Small Sealed
Domestic refrigerators, window AC, vending machines
Type II - High Pressure
Split systems, heat pumps, packaged units
Type III - Low Pressure
Centrifugal chillers, large commercial systems
Foundation for HVAC professionals
Safety Fundamentals
Lockout procedures, PPE, safe work habits
Tools & Measurements
Meter use, pressure logic, field diagnostics
Electrical Basics
Circuit logic, components, troubleshooting
Heat Transfer
Thermodynamics, sensible/latent heat, airflow
Our proven approach combines active recall with spaced repetition for maximum retention.
Start with our comprehensive practice test to identify your current knowledge level and weak areas.
Follow our AI-powered study plan targeting your weak areas. Read explanations, review concepts, and practice daily.
Complete full-length simulations to build confidence. Walk into the exam room prepared and ready to succeed.
See what HVAC professionals are saying about their exam prep experience.
"Failed the EPA 608 twice before finding this site. The practice tests are spot-on with the real exam. Passed my Universal on the third try with a 92% score!"
Marcus Johnson
HVAC Technician, Dallas
"The 14-day study plan kept me on track. I loved the AI tracking - it knew exactly which areas I needed to focus on. NATE Core passed with flying colors!"
Sarah Rodriguez
Apprentice Tech, Phoenix
"Being able to download the PDF and study offline was a lifesaver. I used it during my commute every day. Best investment I've made for my career."
David Williams
Service Manager, Chicago
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沪公网安备31010402010179号
沪ICP备2023003282号-38