How Prepdex works
Try it — flip a few cards.
Pick a topic and see what you’ll be studying.
Tap to reveal answer
Card 1 of 10
What you’ll study
EPA 608 HVAC Certification topics
Core is 25% of the exam — start there.
Core
← START HEREType I (Small Appliances)
✓Every card mapped to the 2026 EPA 608 HVAC Certification exam blueprint.
✓Phone, tablet, desktop. Study wherever.
You’ve got better things to do than study forever. So do we. Prepdex gets you to the finish line — then gets out of your way.
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