HVAC companies in Saint Louis, MO 63146
8 HVAC companies, with local market data for this ZIP.
General contractors 19HVAC 8Roofing and exteriors 6Other construction trades 6Painting 4Remodeling 4Garage doors 4Flooring and tile 4Electricians 3Carpentry, drywall and windows 1Excavation and demolition 1
Area profitability, HVAC57 / 100Strong market, crowded field
Typical home value$330,000+2.9% in the past year
New homes permitted, 2025957St. Louis County
Homeowners57.5%14,800 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
AL-DON Indoor Air Quality SpecialistsHVAC contractor · 11740 Lackland Industrial Dr, Saint Louis(314) 567-5585 · al-don.com
Aspen Refrigeration Service IncHVAC contractor · 11764 Westline Industrial Dr, Saint Louis(314) 997-1148 · aspenrefrigeration.com
Five Star CoolingHVAC contractor · 2328 Centerline Industrial Dr, St Louis(314) 222-0883 · airconditioningrepairsaintlouis.com
Galmiche & Sons Heating & CoolingHVAC contractor · 2280 Chaffee Dr, Saint Louis(314) 993-1110 · galmicheandsons.com
Sears Heating and Air ConditioningHVAC contractor · 1879 Craig Rd, Maryland Heights(314) 949-1374 · searshomeservices.com
Unique Heating and CoolingHVAC contractor · 11760 Westline Industrial Dr, Saint Louis(314) 647-0604 · uniqueheatingcooling.com
Welsch Heating and CoolingHVAC contractor · 2175 Welsch Industrial Ct, St Louis(314) 872-8070 · welsch-heatcool.com · 1 driver, 1 truck
S & R Mechanical Inc.HVAC contractor · 13218 Greenbough Dr, Saint Louis(314) 594-7263
HVAC in ZIP 63146 at a glance
Local building angle: St. Louis County permitted 957 new homes in 2025, including 456 apartment units. 11% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.