Missouri · HVAC directory
HVAC Pros in St Louis, MO
A curated list of 4 verified HVAC pros serving St Louis. AC repair, furnaces, heat pumps, ductwork — call directly, no signup.
4Pros listed
6Services
MOState
Browse by service
Each service shows pros in St Louis who specialize in that category.
Top HVAC pros in St Louis
A selection of 4 pros serving St Louis, MO. Tap any listing for full details.
St Louis HVAC context
Missouri combines 1,500-1,800 CDD summers with hot humidity and 4,500-5,500 HDD winters. Variable-speed equipment is increasingly the default. Moderate-to-cold winters. Heat pumps work well above 25°F; cold-climate models recommended in the northern half of the state.
Frequently asked questions
How do I find a licensed HVAC pro in St Louis?
Each of the 4 pros listed above operates locally in St Louis, MO. Tap any listing to see contact details. Before booking, verify the HVAC pro's state license through the Missouri licensing board.
What does HVAC repair cost in St Louis?
Costs vary by service: a capacitor replacement runs $150–$300, a fan motor $300–$700, a furnace ignitor $150–$320, a thermostat install $200–$400. Get quotes from at least three pros for non-emergency work.
Are all listed HVAC pros licensed?
ductwood lists publicly registered HVAC businesses. License status is the homeowner's responsibility to verify with the Missouri licensing board before hiring.