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Paths · Exam prep

EPA 608: All Four Exams

The cheapest path to Universal is deciding you want it before your first exam session. This path builds the refrigeration understanding the exams assume, then the refrigerant knowledge Core tests, then each exam in turn.

20 steps

Goal credential: EPA Section 608 Technician Certification

The refrigeration cycle you must own first

  1. 1Heat Transfer Basics
  2. 2Pressure-Temperature Relationships
  3. 3How the Refrigeration Cycle Works
  4. 4Compressors
  5. 5Condensers
  6. 6Metering Devices and TXVs
  7. 7Evaporators
  8. 8How Superheat Works
  9. 9How Subcooling Works

Refrigerants, the Core exam's subject

  1. 10Refrigerant Types and Designations
  2. 11Refrigerant Oils
  3. 12Refrigerant Safety and Handling
  4. 13The A2L Transition: R-410A to R-32 and R-454B

The exams, one by one

  1. 14EPA 608: What It Is and Why It Exists
  2. 15EPA 608 Core: What It Tests
  3. 16EPA 608 Type I Guide
  4. 17EPA 608 Type II Guide
  5. 18EPA 608 Type III Guide
  6. 19EPA 608 Universal: The Proctored Path
  7. 20Where to Take the EPA 608 Exam