City of St. Louis · Missouri
HVAC service in St. Louis, MO
St. Louis has hot, humid summers and cold winters, and its historic brick homes give the city its character. Many older homes have boilers, radiators and limited duct space.
- Same-day appointments when available
- 32+ ZIP codes
- Licensed contractors

Neighborhoods: Soulard, Central West End, Tower Grove, The Hill, Lafayette Square, Dutchtown, Benton Park, Carondelet. Service area, not an office.
Local homes
St. Louis housing and HVAC
Brick rowhouses and two-family flats are common, often with boilers or older furnaces. Mini-splits are a popular cooling upgrade. Many St. Louis homes are brick two-family flats and single-family houses from the late 1800s to the 1940s, often with basement furnaces or boilers. Central AC is common in post-war homes, but older homes frequently rely on mini-splits or window units. Older chimneys may need liners when switching to a new furnace or water heater.
Very humid summers, cold winters and severe storms.
Permits and seasonal timing in St. Louis
The City of St. Louis Building Division issues mechanical permits in the city, and St. Louis County and its municipalities handle their own. Schedule furnace or boiler service in fall and AC service in spring.
Historic brick homes
Thick walls and plaster make ductless systems practical.
Humidity
Humid summers stress AC systems.
Older boilers
Boilers need annual service.
Brick home heat retention
Thick brick walls hold summer heat into the evening, so cooling systems need to be sized for long cooling periods.
Common calls
Popular HVAC services in St. Louis
Also available: emergency HVAC and all HVAC services.
Full service list
All HVAC services in St. Louis
Searching for HVAC service near me in St. Louis? Every service below is available across St. Louis ZIP codes 63101, 63102, 63103, 63104, 63105 and nearby, including Soulard, Central West End, Tower Grove.
Air Conditioning in St. Louis
Heating in St. Louis
Heat Pumps in St. Louis
Ductless Mini-Splits in St. Louis
Ductwork in St. Louis
Indoor Air Quality in St. Louis
Thermostats & Controls in St. Louis
Maintenance & Inspections in St. Louis
Commercial HVAC in St. Louis
St. Louis at a glance
- County
- City of St. Louis
- Region
- Missouri · Midwest
- ZIP codes
- 63101, 63102, 63103, 63104, 63105, 63108, 63109, 63110, 63111, 63114, 63116, 63117, 63118, 63119, 63121, 63122, 63123, 63124, 63125, 63126, 63127, 63128, 63129, 63131, 63132, 63135, 63139, 63140, 63141, 63143, 63144, 63146
- Neighborhoods
- Soulard, Central West End, Tower Grove, The Hill, Lafayette Square, Dutchtown, Benton Park, Carondelet
- Climate
- Mixed (IECC zones 4–5)
Licensing and utilities for St. Louis
Missouri has no statewide HVAC license; cities and counties such as Kansas City and St. Louis County license contractors.
Ameren Missouri and Evergy are the main electric utilities. Spire supplies natural gas in Kansas City and St. Louis.
FAQ
HVAC questions in St. Louis
How do I find HVAC service near me in St. Louis?+
Call or send a request with your St. Louis ZIP code. It goes to an independent, licensed HVAC contractor who serves your neighborhood for AC repair, heating, heat pumps, ducts and installs.
Who supplies energy in St. Louis?+
Ameren Missouri supplies electricity and Spire supplies natural gas.
Can I add central air to a St. Louis brick home?+
Often via ductless or small-duct systems that avoid major demolition.
Helpful guides
Nearby towns
HVAC help in St. Louis
Call to be connected with a licensed HVAC contractor serving your ZIP code, or send a request online.