Credential type: certification examination · verified on the issuer's site September 20, 2026 issuer page
Exam Domains
1 Type III: Low-Pressure Systems (R-11, R-113, R-123)Weight not published
2 Recovery from Low-Pressure ChillersWeight not published
3 Purge Units and Pressure ControlWeight not published
4 Refrigerant Handling and SafetyWeight not published
Exam Details
Question TypesMultiple Choice
FormatPaper-based or computer-based at approved testing sites
Online ProctoringNot available
ID RequirementsPhoto ID required at testing site. Requirements vary by testing organization.
RenewalNot required -- EPA Section 608 certification does not expire. It is a lifetime certification. No renewal or continuing education is required by the EPA.
Retake PolicyRetake policy set by individual approved testing organizations. Contact your chosen testing org for specific retake rules and fees.