Heating and air conditioning license in Missouri

Who licenses it
No statewide license in Missouri for this work. Your city or county licenses it.
Checked November 8, 2026. Rules and thresholds change; confirm with the board before you start work.
Homeowners: checking a pro
There's no statewide license for this in Missouri, so ask which city or county license they hold, and ask for proof of insurance.
Pros: listing on ExpertMarketplace
Add your local license if you hold one; it shows on your page. Add your insurance too: listings show "Insured" or "No insurance on file" to every visitor.
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Heating and air conditioning in Missouri's biggest cities

Other Missouri license guides