Louisville is a low-moderate cost-of-living market — pricing guide and permit rules below.
Louisville hvac rates: $3,000-$10,000 per system. Always get 3 written quotes and verify KY licensing at Kentucky DHBC (dhbc.ky.gov). Sales tax on materials: 6%.
Louisville requires permits when work exceeds $1,000 or involves full system replacement. Your licensed contractor pulls the permit — if they ask you to pull it, that's a red flag.