NTT’s EPA 608 Certification Exam Preparation & Proctoring course helps technicians meet EPA requirements for handling regulated refrigerants under Section 608 of the Clean Air Act.

We offer two convenient options designed for different experience levels:

4-Hour Certification Orientation & Testing

This half-day session is ideal for experienced HVAC technicians who are already confident in their knowledge and simply need an overview of the online testing process before taking the EPA 608 certification exam.
Includes:

• Orientation to the ESCO online exam process
• Review of testing logistics, categories, and requirements
• Opportunity for short Q&A with the instructor
• Proctored EPA 608 certification exam (online or paper)

8-Hour Review, Preparation & Testing

This one-day course is best for technicians who want to refresh their understanding of key refrigeration principles before testing.
Includes:

• 4-hour instructor-led review session covering:
  • Refrigeration cycle fundamentals
  • Refrigerant handling and recovery procedures
  • EPA compliance and safety requirements
• 4-hour proctored EPA 608 certification exam (online or paper)

Both course options use ESCO Institute’s official preparation and testing materials and provide technicians the opportunity to earn their EPA 608 certification in a single session.