24/7 Emergency HVAC Service in St. Louis
No heat at 2 AM in January. AC out during a heat wave. A real person answers the phone — not a recording — and we dispatch a tech to your St. Louis home right away, day or night.
Emergency HVAC Service in St. Louis
HVAC emergencies don't keep business hours, and in St. Louis they tend to hit exactly when the weather is at its worst — the first sub-zero night of winter or the third day of a 100° heat index. We staff emergency dispatch around the clock, seven days a week, including holidays. When you call, you reach a real person who gathers the details and sends a technician with the parts and experience to get your heat or cooling back that visit. We treat no-heat calls in freezing weather and no-AC calls during dangerous heat as priorities, especially for households with seniors, infants, or anyone with health concerns. You'll get upfront emergency pricing before any work begins, and if your system needs replacement rather than a band-aid repair, we'll tell you honestly and get temporary heat or cooling in place the same day.
Signs You Need Emergency
If any of these sound familiar, it's time to give us a call.
What We Handle
How It Works
Call anytime
A real person answers 24/7. Tell us what's happening and your address — we'll flag it as an emergency and dispatch immediately.
Fast dispatch
A tech heads to your home with a stocked van. We prioritize no-heat in winter and no-AC during dangerous heat.
Safety first
We check for CO, gas, and electrical hazards before anything else, then diagnose and quote a flat emergency price.
Restore comfort
We fix the problem or get temporary heat/cooling in place the same day, so you're never left without comfort overnight.
Emergency HVAC Service in St. Louis — Common Questions
What St. Louis Customers Say
Real reviews from homeowners across the metro who trusted us with their HVAC.
"Our AC went out on a 97-degree day and STL Air Pros had a tech at our house within two hours. Fixed a blown capacitor on the spot, explained exactly what failed and why, and the price was totally reasonable. Won't call anyone else."
Marcus Thompson
Webster Groves, MO · May 2025
"Replaced our 18-year-old furnace with a new high-efficiency unit. The crew was on time, professional, and cleaned up completely. They also caught a small carbon monoxide issue with the old heat exchanger — probably saved our family from a serious problem."
Diane Reynolds
Kirkwood, MO · March 2025
"I've used three different HVAC companies over the years and STL Air Pros is in a different league. Straight answers, no upselling, competitive pricing. My maintenance plan has caught two small issues before they became expensive repairs."
James Kowalski
Chesterfield, MO · January 2025
Related Reading
Go deeper on this service with guides from the STL Air Pros blog.
Carbon Monoxide Safety and Your St. Louis Furnace
Expert HVAC advice for St. Louis homeowners on carbon monoxide safety and your st. louis furnace. Licensed professionals at STL Air Pros share what you need to know.
Read articleAC Repair in St. Louis, MO: Costs, Response Time & What to Expect
Expert HVAC advice for St. Louis homeowners: AC Repair in St. Louis, MO: Costs, Response Time & What to Expect. STL Air Pros — licensed, local, 5-star rated. Call 314-517-8590.
Read articleHow to Prepare Your St. Louis HVAC System for Summer
Expert HVAC advice for St. Louis homeowners on how to prepare your st. louis hvac system for summer. Licensed professionals at STL Air Pros share what you need to know.
Read articleEmergency HVAC Service Across the St. Louis Metro
Dedicated emergency hvac service pages for cities across St. Louis, St. Charles, and Jefferson counties.
Ready to Schedule Emergency?
Licensed, insured, and ready to help across the St. Louis metro. Call now or request a free estimate online.