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