Free study resource
EPA Section 608 study.
Download the original study PDF, then check the EPA’s current certification requirements and approved testing programs.
Archived PDF
Start with the resource, then verify what changed.
The original 66-page PDF was created in 2011 and is preserved at its longstanding address. It has not been updated for current refrigerants, rules, or exam topics. Treat it as historical study material.
HVAC Training Solutions does not administer the EPA certification test. Follow an EPA-approved certifying organization for current exams.