Plumbers and heating and cooling contractors in Minnesota

Plumbing and HVAC rules in Minnesota

Plumbing license

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Heating and cooling license

Minnesota has no state license for heating and cooling contractors, but mechanical contractors must file a $25,000 bond with the Department of Labor and Industry. Cities may require their own licenses or competency cards.⁴

State codes

Minnesota's plumbing code is the 2020 Minnesota Plumbing Code, based on the 2018 Uniform Plumbing Code.⁶ The Minnesota Mechanical Code uses chapters 2 to 15 of the 2018 International Mechanical Code.⁷

Replacement permits

Minnesota's building code requires a permit to install or replace any gas, mechanical or plumbing system, with exemptions for portable appliances and parts that don't change the approval. In an emergency, equipment can be replaced first, with the permit application due the next business day.⁵

Plumbing and HVAC rules in Minnesota

What plumbing and HVAC work costs in Minnesota

These are published national ranges, not quotes. Local quotes vary.

Ranges from HomeAdvisor, HomeGuide, Fixr, Forbes Home, NYSERDA and the Massachusetts EEAC, checked September 2026.

What plumbing and HVAC work costs in Minnesota