Manassas is a high cost-of-living market — pricing guide and permit rules below.
Manassas hvac rates: $4,000-$14,000 per system. Manassas's humidity and storms make regular maintenance essential. Always get 3 written quotes and verify VA licensing at Virginia DPOR (dpor.virginia.gov). Sales tax on materials: 5.3%.
Manassas 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.