HVAC companies in Ballwin, MO 63021
7 HVAC companies, with local market data for this ZIP.
General contractors 15Roofing and exteriors 11HVAC 7Carpentry, drywall and windows 4Remodeling 3Concrete and masonry 3Electricians 2Painting 2
Area profitability, HVAC70 / 100Strong market, balanced field
Typical home value$387,000+2.3% in the past year
New homes permitted, 2025957St. Louis County
Homeowners80.7%22,207 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Chesterfield ServiceHVAC contractor · 229 Old Meramec Station Rd, Manchester(636) 339-4504 · chesterfieldservice.com
Thomas Hoffmann Air Conditioning & Heating LLCHVAC contractor · 1314 Lombez Dr, Ballwin(314) 455-6232 · tomhoffmannairconditioning.com
Thurm Heating and CoolingHVAC contractor · 449 Hillcrest Blvd, Ballwin(314) 484-7489 · thurmheatingandcooling.com
Weir Heating & CoolingHVAC contractor · 600 Wood Fern Dr, Ballwin(314) 351-2424 · weirheatingandcooling.com
Wildwood Heating & Cooling, IncHVAC contractor · 105 Solley Dr, Manchester(636) 458-7770 · wildwoodheating.com
Best Air Tech Heating & CoolingHVAC contractor · 164 Tortuna Dr, Ballwin(636) 527-5689
Lizenby Mechanical Service IncHVAC contractor · 608 Dougherty Oaks Ct, Ballwin(636) 227-4161
HVAC in ZIP 63021 at a glance
Local building angle: St. Louis County permitted 957 new homes in 2025, including 456 apartment units. 14% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.