HVAC companies in St Charles, MO 63301
7 HVAC companies, with local market data for this ZIP.
General contractors 51Roofing and exteriors 17Other construction trades 10HVAC 7Electricians 5Carpentry, drywall and windows 4Remodeling 4Concrete and masonry 4Fences and decks 3Garage doors 2Flooring and tile 2Painting 1Excavation and demolition 1
Area profitability, HVAC61 / 100Moderate market, balanced field
Typical home value$318,000+3.1% in the past year
New homes permitted, 20251,661St. Charles County
Homeowners71.8%21,149 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
American Home Heating & Air ConditioningHVAC contractor · 537 Boonslick Rd, St Charles(636) 946-1055 · americanhomeheatingandair.com
Assured Heating & CoolingHVAC contractor · 400 N 5th St, St Charles(314) 651-5969 · assuredheatcool.com
Automatic Climate ControlHVAC contractor · 2123 N 3rd St, St Charles(636) 949-2300 · automaticclimatecontrol.com
Bizelli Heating & Air ConditioningHVAC contractor · 1106 N 2nd St, St Charles(636) 947-7072 · jerrykelly.com
Cave Springs Heating & A/C, IncHVAC contractor · 10 Le Chateaux Ct, St Charles(636) 947-1242 · cs-hvac.com
Leiber Heating & Air ConditioningHVAC contractor · 923 N 2nd St, St Charles(636) 947-0428 · LeiberHVAC.com
Premier Heating & Cooling IncHVAC contractor · 219 Fox Hill Rd, Saint-Charles(636) 246-2949 · americanstandardair.com
HVAC in ZIP 63301 at a glance
Local building angle: St. Charles County permitted 1,661 new homes in 2025, including 284 apartment units. 22% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.