HVAC companies in Barnhart, MO 63012
1 HVAC companies, with local market data for this ZIP.
General contractors 8Roofing and exteriors 2HVAC 1Fences and decks 1Concrete and masonry 1Flooring and tile 1Carpentry, drywall and windows 1Other construction trades 1Electricians 1
Area profitability, HVAC62 / 100Moderate market, balanced field
Typical home value$284,000+4.1% in the past year
New homes permitted, 2025617Jefferson County
Homeowners92.0%3,897 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Countywide Heating & CoolingHVAC contractor · 6981 Willing St, Barnhart(636) 464-2730 · countywideheatingandcooling.com
HVAC in ZIP 63012 at a glance
Local building angle: Jefferson County permitted 617 new homes in 2025. 21% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.