Michigan HVAC contractor license: Complete 2026 Guide

Official-source review: August 27, 2026

Michigan HVAC contractor license: Michigan licenses mechanical contractors by work classification. HVAC equipment, ductwork, refrigeration and heating-service categories are distinct, so a company must obtain every classification used. Federal EPA Section 608 certification remains separate for technicians handling regulated refrigerants.

Fast answer: Document at least three years of experience in each requested classification, apply for examination approval, pass every classification examination, obtain the Mechanical Contractor license and secure the mechanical permit before work. Add EPA Section 608 certification for covered refrigerant activity.

Michigan HVAC contractor license authority education experience exams fees insurance renewal — Michigan requirements summarized from the responsible agencies. Local permits, employers and certifying bodies may impose additional conditions.

What the Michigan HVAC contractor license covers

Michigan licenses mechanical contractors by work classification. HVAC equipment, ductwork, refrigeration and heating-service categories are distinct, so a company must obtain every classification used. Federal EPA Section 608 certification remains separate for technicians handling regulated refrigerants.

HVAC equipment, ductwork, refrigeration, heating service and related mechanical work within the classifications held.
Work only within the issued classification.
Obtain all local permits and inspections.

Compare related occupations and states in the License Finder.

Michigan HVAC contractor license requirements at a glance

Requirement	Current rule or route
Route	Mechanical Contractor license with every required work classification plus EPA Section 608 for covered refrigerant work
Eligibility	At least three years of experience in each mechanical work classification sought.
Exam	Pass an examination for each requested Michigan mechanical classification; EPA Section 608 testing applies to regulated refrigerant handling.
Fees	Application, license and PSI fees apply to the requested classifications; permits and EPA testing are additional.
Bond or insurance	Business liability, workers compensation, vehicle and project requirements apply.
Renewal	Follow the LARA Mechanical Contractor renewal cycle and keep every classification active.

Do not treat this table as an approval notice. The agency, certification organization or local jurisdiction makes the final eligibility decision and may request additional evidence.

How to complete the Michigan HVAC contractor license process

Identify the exact individual and business credential.
Complete the published education and experience.
Pass each required examination.
Submit applications, verification and fees.
Obtain insurance and project permits.
Renew on time and retain required records.

Keep copies of every experience certificate, examination result, bond or insurance filing and payment receipt. Names and business entities should match across the application and supporting documents.

Important Michigan rules and boundaries

Mechanical classifications are scope-specific.
EPA certification does not replace the Michigan contractor license.
Electrical and plumbing work can require separate licensees.
Mechanical permits are required except for limited listed exemptions.

Michigan may separate the credential held by a worker from the contractor license held by the business, while preserving local authority over permits and inspections. Confirm every applicable layer before bidding, advertising or beginning regulated work.

Michigan HVAC contractor license cost and renewal

Budget separately for applications, examinations, education, insurance and project permits.

Renew each individual, business and local credential separately and verify current charges before filing.

Government charges are only part of the expected cost. Training, examination preparation, fingerprints, surety premiums, insurance, equipment calibration and local permits can add to the total.

Michigan HVAC contractor license checklist

Confirm that this credential matches the exact work you will perform.
Check whether the applicant is an individual, sole owner or separate business entity.
Collect experience and training records before submitting the application.
Use the current official form and fee schedule.
Complete every required examination or approved certification route.
File bonds, insurance and fingerprints when applicable.
Check county, city, water supplier and building-permit rules.
Save the expiration date and renewal requirements.

Frequently asked questions

Is this credential statewide?

It depends on the occupation. Michigan licenses several skilled trades statewide while home inspection and septic installation rely on business, professional or local requirements.

Is an exam required?

Pass an examination for each requested Michigan mechanical classification; EPA Section 608 testing applies to regulated refrigerant handling.

When does it renew?

Follow the LARA Mechanical Contractor renewal cycle and keep every classification active.

Are project permits separate?

Yes.

Official sources used

Verified licensing details

Jurisdiction: state license, registration or local credential, depending on the occupation and project
Licensing authority: Michigan LARA Bureau of Construction Codes and U.S. Environmental Protection Agency
Fees: Application, license and PSI fees apply to the requested classifications; permits and EPA testing are additional.
Experience: At least three years of experience in each mechanical work classification sought.
Exams: Pass an examination for each requested Michigan mechanical classification; EPA Section 608 testing applies to regulated refrigerant handling.
Insurance or bond: Business liability, workers compensation, vehicle and project requirements apply.
Continuing education: Complete code-update education when required; EPA Section 608 certification does not expire.
Renewal period: Follow the LARA Mechanical Contractor renewal cycle and keep every classification active.

Official sources

Official sources last checked August 26, 2026.

Requirements can change and local rules may apply. Confirm the current requirements with the official authority before paying a fee or beginning work.