NCCER HVAC Prep (Levels 1–4)
The NCCER HVAC curriculum covers heating, ventilation, air-conditioning, and refrigeration across four levels totaling roughly 600 hours, and helps prepare for EPA 608 and many state journeyman exams. Here's how the levels progress — with realistic COSMIQ practice.
COSMIQ prepares you for NCCER HVAC and provides realistic practice — it does not issue an NCCER credential or an HVAC license.
Frequently asked
What are the NCCER HVAC levels?
Four levels: Apprentice/Helper (Level 1), Apprentice II (Level 2), Apprentice III/Junior Tech (Level 3), and Journeyman Prep / EPA 608 Ready (Level 4).
Does COSMIQ issue an HVAC license?
No. COSMIQ prepares you for NCCER HVAC and administers realistic practice — it does not issue an NCCER credential or an HVAC license. Those come from the NCCER Registry and your state, respectively.