Let?s face it?most techs don?t have time to waste on generic, disorganized prep guides that leave you more confused than confident. That?s exactly why this all-in-one EPA 608 Study Guide was created: to give busy HVAC/R professionals like you a clear, realistic, and easy-to-follow path to certification?without the overwhelm. With over 1,000+ precision questions, 7 full-length mock tests, and a step-by-step 28-day study plan, this guide is designed to help you pass the Core, Type I, Type II, and Type III sections?on your first try.