Furnace Repair in University City, MO
A furnace that won't fire on a January night in University City is an emergency. Our techs diagnose and repair gas, electric, and dual-fuel systems safely — and we carry the parts to get your heat back fast.
Furnace Repair in University City
University City homeowners count on STL Air Pros for fast, reliable furnace repair. Our NATE-certified technicians serve all of University City and the surrounding St. Louis County area with same-day appointments, upfront flat-rate pricing, and 24/7 emergency availability. We repair, install, and maintain every major brand, and every job is backed by our workmanship guarantee.
HVAC in University City — Local Context
University City's 1920s-40s homes near the Delmar Loop often have compact lots and converted gravity furnaces, making ductless mini-splits a popular solution for additions and finished attics. The mix of student rentals and owner-occupied homes means we tailor systems and pricing to each situation.
What We Handle in University City
Furnace Repair in University City — Common Questions
Answers to the questions University City homeowners ask us most.
How much does furnace repair cost in University City?
Furnace repair in University City typically ranges from $150 to $700. Igniters and flame sensors are on the lower end; blower motors, gas valves, and control boards run higher. You get a flat, upfront price after the diagnostic — no hourly billing.
Is a furnace problem in University City an emergency?
It can be. If your carbon monoxide detector is going off, you smell gas, or the pilot flame is yellow or tilted, leave the house and call us immediately. No-heat calls in University City during freezing weather are prioritized for same-day dispatch.
Do you repair heat pumps in University City too?
Yes. Our techs are trained on heat pumps, dual-fuel systems, and electric furnaces in addition to gas furnaces. If your heat pump in University City is stuck in defrost or blowing cold air in heating mode, we can diagnose the reversing valve, defrost board, or refrigerant charge.
"Our 1930s home had a converted gravity furnace that was costing a fortune. They installed a compact high-efficiency unit that fit the tight basement space perfectly. The energy savings showed up on the very next bill."
— Michael Petrakis, University City, MO
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University City HVAC ServicesAbout Furnace Repair
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