Expert guides on HVAC training, certifications, career paths, and industry news — written by industry professionals and verified by our editorial team.
EPA 608 certification is required by federal law for anyone who handles refrigerants. This guide covers all four certification types, exam content, study tips, and how to find an approved testing center. Whether you're a student or working technician, here's everything you need to pass.
NATE and EPA 608 are the two most important certifications in the HVAC industry, but they serve very different purposes. This article compares both certifications side by side — covering requirements, exam content, costs, and career impact — so you can plan your certification path strategically.