1. Minnesota does not have a state license requirement for individual HVAC employees. (Source: https://www.dli.mn.gov/business/plumbing-contractors/mechanical-contractor-bond-requirements; verbatim: “Minnesota also has no state license requirement for individual employees of mechanical contractors.”)
2. Mechanical contracting businesses must file a $25,000 bond with the state. (Source: https://www.dli.mn.gov/business/plumbing-contractors/mechanical-contractor-bond-requirements; verbatim: “businesses must file a $25,000 mechanical contractor bond with DLI in order to contract to perform gas, heating, ventilation, cooling, air conditioning, fuel burning or refrigeration work.”)