Section 608 (Refrigeration) Certification Exam   |   $105


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Section 608 of the Federal Clean Air Act requires persons who work with or purchase regulated refrigerants for stationary equipment to become certified through a closed book exam. This examination is a total of 100 questions, broken down into four sections: Core, Type‐I, Type‐II and Type‐III. The certification types are defined as follows:

TypeI: Required for servicing small appliances
TypeII: Required for servicing or disposing of high‐pressure appliances, except small appliances and MVACs
TypeIII: Required for servicing or disposing of low‐pressure appliances
Universal: Earned when a candidate successfully passes all four sections of the exam.

Candidates must pass the Core section along with one or more of the Types to earn a certification.

Materials Allowed: A calculator (four‐function preferred,) a pressure/temperature chart and scratch paper.

Time to Complete Exam: 2 hours

Passing Score for Each Section: 70% or better.

Prerequisites: None