Mesa is a moderate cost-of-living market — pricing guide and permit rules below.
Mesa hvac rates: $3,000-$10,000 per system. Mesa's extreme heat accelerates wear. Always get 3 written quotes and verify AZ licensing at Arizona ROC (roc.az.gov). Sales tax on materials: 8-11%.
Mesa 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.