How to become an HVAC technician in Minnesota
Licensing details read from the official agency pages on November 11, 2026. Rules and fees change: confirm with the agency before you apply.
1. Minnesota licensing: Minnesota Department of Labor and Industry (DLI)
- DLI says no state license is required for mechanical contractors, but a business must file a $25,000 mechanical contractor bond with DLI to contract for gas, heating, ventilation, cooling, air conditioning, fuel burning or refrigeration work. The bond filing costs $100 and is valid for two years.
Official sources: Minnesota DLI: mechanical contractor bond requirements.
2. Federal EPA Section 608 certification
In every state, 40 CFR 82.161 requires technicians who could reasonably be expected to violate the integrity of a refrigerant circuit to pass an EPA-approved exam. See our EPA 608 guide.
3. Training: 11 HVAC schools in Minnesota
The U.S. Bureau of Labor Statistics says HVAC programs at technical schools and community colleges generally last 6 months to 2 years, and apprenticeships usually last several years with paid on-the-job training (search apprenticeship.gov).
Minnesota schools in our directory with the most listed programs:
- Minneapolis Community and Technical College, Minneapolis (Associate's degree; Certificate, 1 to less than 2 years; Certificate, 12 weeks to less than 1 year)
- South Central College, North Mankato (Associate's degree; Certificate, 1 to less than 2 years; Certificate, 2 to less than 4 years)
- St Cloud Technical and Community College, Saint Cloud (Associate's degree; Certificate, 1 to less than 2 years; Certificate, 2 to less than 4 years)
- Century College, White Bear Lake (Associate's degree; Certificate, 1 to less than 2 years)
- Dakota County Technical College, Rosemount (Associate's degree; Certificate, 1 to less than 2 years)
- Hennepin Technical College, Brooklyn Park (Associate's degree; Certificate, 1 to less than 2 years)
- Dunwoody College of Technology, Minneapolis (Associate's degree)
- Minnesota North College, Hibbing (Certificate, 1 to less than 2 years)
See all 11 HVAC schools in Minnesota.
Frequently asked questions
Do you need a license to be an HVAC technician in Minnesota?
Minnesota Department of Labor and Industry (DLI) handles licensing. DLI says no state license is required for mechanical contractors, but a business must file a $25,000 mechanical contractor bond with DLI to contract for gas, heating, ventilation, cooling, air conditioning, fuel burning or refrigeration work. The bond filing costs $100 and is valid for two years. Federal EPA Section 608 certification applies in every state to anyone who handles refrigerants.
Where can I go to HVAC school in Minnesota?
We list 11 schools in Minnesota with HVAC programs, across 10 cities. Browse the full list on our Minnesota HVAC schools page.