How to become an HVAC technician in Minnesota
Licensing details from the official agency pages, updated November 11, 2026. Confirm current fees 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: 12 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 with the most HVAC 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)
- Minnesota West Community and Technical College, Granite Falls (Certificate; Associate's degree)
- Dunwoody College of Technology, Minneapolis (Associate's degree)
See all 12 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?
12 schools in Minnesota offer HVAC programs, across 11 cities. Browse the full list on our Minnesota HVAC schools page.