HVAC Technician License Requirements in Missouri
License Not RequiredLast verified March 24, 2026
Agency And Exam
Issuing agency: Missouri Division of Professional Registration
Official licensing agency website
Exam provider: Not listed
Reciprocity And License Levels
License levels
Not listed
Reciprocity states
None listed
Notes
Missouri does not require a statewide HVAC technician license. Licensing is handled at the local (city/county) level. St. Louis, Kansas City, and other municipalities have their own HVAC licensing programs. EPA 608 certification is required federally for refrigerant handling.