How to get a hvac contractor license in Illinois
Illinois hvac contractor licensing covers hours, prerequisites, exam path, fees, and renewal. Confirm current rules on the board source before you apply.
Verified on: 2026-09-14 · Board source
From the board
- Illinois [Skip to main content](#main) [  ](https://illinois.gov/) * [ Government](https://illinois.gov/government.html) * [ Business](https://illinois.gov/business.html) * [ Emp…
- Board page: Professional License Look-up
Requirements overview
- Illinois sets experience, education, and exam rules for hvac contractor applicants
- Documented OJT or apprenticeship hours are common for journeyman / technician paths
- Master and contractor tracks usually add experience, exams, and firm paperwork
- Confirm current hour totals, affidavits, and fees on the state board before you apply
Exam
- See the Illinois hvac exam guide for vendor, scheduling, and prep
- LicenseFlo helps with paperwork and reminders — we do not sit the exam
Renewals
- Most credentials renew on a fixed cycle with mandatory CE or training
- Roster watch → intake → assemble → sign → submit
Related: Exam · Renewal and CE
Have LicenseFlo do it
From $79 per event. Text once; we collect photos, assemble the packet, and send a one-tap signature.