Cincinnati is a moderate cost-of-living market — pricing guide and permit rules below.
Cincinnati hvac rates: $3,000-$10,000 per system. Always get 3 written quotes and verify OH licensing at Ohio CILB (com.ohio.gov). Sales tax on materials: 7.25%.
Cincinnati 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.