How often do I need to renew my HVAC Contractor License (State) in Michigan?

The HVAC Contractor License (State) in Michigan must be renewed every 36 months.

How much does it cost to renew a HVAC Contractor License (State) in Michigan?

The renewal cost for a HVAC Contractor License (State) in Michigan is $300.00.

Michigan renewal guide

HVAC Contractor License (State)

Q: What happens if my HVAC Contractor License (State) expires in Michigan?

Performing HVAC work without a valid Michigan license is a violation of the Mechanical Code. Penalties include fines and potential criminal charges.

If this license is up for renewal, this page gives you the fee, the timeline, and the items that usually hold the filing up.

Start here

What matters before you file.

Check the fee, the renewal window, and the documents or insurance records that can slow approval down.

Issuing authority

Michigan Department of Licensing and Regulatory Affairs (LARA)

Renewal period

Every 36 months

Renewal fee

$300.00

Bond requirement

Insurance requirement

Continuing education

6 hours

Before you renew

Get the filing straight.

1
Finish the CE first

Complete the 6 required hours before you start the renewal.
2
File with the board

File through Michigan Department of Licensing and Regulatory Affairs (LARA) and pay the $300.00 renewal fee once the supporting proof is ready.
Renew online
3
Leave room for processing

Typical processing time is 30 days, so do not wait until the last minute.

Detailed notes

The fine print is here.

Michigan HVAC Contractor License

The Michigan Department of Licensing and Regulatory Affairs (LARA) licenses HVAC contractors under the Michigan Mechanical Code. A valid license is required to perform heating, ventilation, air conditioning, and refrigeration work.

Requirements

Examination: Must pass the Michigan HVAC contractor exam
Experience: Documented HVAC experience required
Insurance: General liability and workers' compensation insurance are not required by LARA for licensure, but are recommended
Continuing Education: 6 hours per 3-year renewal cycle
Application Fee: $300 ($100 per year)

Renewal Information

Renewal Period: Every 3 years (expires August 31)
Renewal Fee: $300 ($100 per year)
Continuing Education: 6 hours required each cycle
Late Penalty: $75 additional fee
Grace Period: 60 days after expiration

Scope of Work

Licensed HVAC contractors may install, alter, repair, and maintain heating, ventilation, air conditioning, and refrigeration systems in residential, commercial, and industrial buildings.

Penalties for Non-Compliance

Performing HVAC work without a valid license is a violation of the Mechanical Code. Penalties include fines and potential criminal charges.

*Disclaimer: This information is provided for general reference only and does not constitute legal advice. Always verify current requirements directly with Michigan LARA.*

Official links

Check the board or agency directly.

Official website Apply online Renew online

Required documents

Proof of Insurance
Examination Results
continuing_education_certificate

Source notes

MCL 339.5813 (Skilled Trades Regulation Act) . Official: $100/year initial and renewal ($300 per 3-year cycle). Verified March 2026.

Rules move. Check Michigan Department of Licensing and Regulatory Affairs (LARA) again before you pay, renew, or schedule work around this requirement.