HVAC companies in St Louis, MO 63129
6 HVAC companies, with local market data for this ZIP.
General contractors 31Roofing and exteriors 10HVAC 6Electricians 5Concrete and masonry 4Remodeling 4Other construction trades 2Painting 2Fences and decks 2Garage doors 1
Area profitability, HVAC65 / 100Strong market, balanced field
Typical home value$343,000+3.4% in the past year
New homes permitted, 2025957St. Louis County
Homeowners79.2%21,310 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Inman Air LLCHVAC contractor · 4545 Telegraph Rd, St Louis(314) 293-2600 · inmanair.com
Inman Heating & CoolingHVAC contractor · 5698 Chalet Forest Ct, Saint Louis(314) 293-2600 · inmanheatcool.com
JLM Heating and Air ConditioningHVAC contractor · 3976 Royal Estates Dr, St. Louis(314) 221-3149 · jlmhvac.com
JT Dunn Climate ControlHVAC contractor · 6068 Baumgartner Industrial Dr, St. Louis(314) 809-3019 · dunnheatcool.com
Mertz Heating & CoolingHVAC contractor · 4409 Meramec Bottom Rd Ste A, Saint Louis(314) 200-6000 · mertzheatingandcooling.com
One Hour Heating & Air Conditioning® of St. LouisHVAC contractor · 6068 Baumgartner Industrial Dr, Saint Louis(314) 463-4604 · onehourheatandair.com
HVAC in ZIP 63129 at a glance
Local building angle: St. Louis County permitted 957 new homes in 2025, including 456 apartment units. 16% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.