Kennesaw is a moderate cost-of-living market — pricing guide and permit rules below.
Kennesaw hvac rates: $3,000-$10,000 per system. Kennesaw's humidity and storms make regular maintenance essential. Always get 3 written quotes and verify GA licensing at Georgia SLB (sos.ga.gov). Sales tax on materials: 7-9%.
Kennesaw requires permits when work exceeds $2,500 or involves full system replacement. Your licensed contractor pulls the permit — if they ask you to pull it, that's a red flag.