5 of Gwinnett County's 172 plumbers and heating and cooling contractors are listed for AC and heat pump installation.
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A contractor is listed for a service when its owner picked the service, when its Google Business Profile category names it, or when its business name does. Ranked as on the county page: verified owner, then a Google rating of 4.0 or higher, then review count, then fleet size. How ranking works
Ranges are national; ask contractors near you.
Figures checked September 2026.
Georgia licenses master and journeyman plumbers through its State Construction Industry Licensing Board.1, 2, 3 Heating and cooling contractors in Georgia need a conditioned air contractor license.4 Permit rules in Georgia are set by local governments, since the state codes leave permit procedures to them.5, 6
