Top 10 24 Hour HVAC in St. Louis, MO
Quick Answer
The best 24 hour hvac providers in St. Louis, MO for 2026 include St. Louis Heating and Air Conditioning (4.9), Rhymes Heating & Cooling (5), Design Aire Heating & Cooling - St. Louis (5).
Why 24-Hour Hvac Service Matters in St. Louis, MO
Emergencies don't follow business hours. Whether it's a burst pipe at midnight or a furnace failure during a cold snap, having access to a reliable 24-hour hvac in St. Louis, MO can prevent thousands of dollars in damage and keep your family safe.
💡 Quick Tips:
- Ask about after-hours surcharges upfront — some St. Louis, MO companies charge flat rates even at night
- Save your top pick's number in your phone before an emergency happens
- Check if the company dispatches their own technicians or uses a call center
Sponsored
Speak With an HVAC Technician profindr.com › sponsored
888-667-1421 1
St. Louis Heating and Air Conditioning
2704 Brannon Ave, St. Louis, MO 63139, USA
Licensed & InsuredTop Rated
Services: 24 Hour Hvac
2
Academy Air Heating, Cooling, Plumbing and Electric
4848 Park 370 Blvd Suite F, Hazelwood, MO 63042, USA
Licensed & InsuredTop Rated
Services: 24 Hour Hvac
3
Rhymes Heating & Cooling
10958 Lin Valle Dr, St. Louis, MO 63123, USA
Licensed & InsuredTop Rated
Services: 24 Hour Hvac
Sponsored
4
SmartHouse Heating and Cooling
6921 Olive Blvd, St. Louis, MO 63130, USA
Licensed & Insured
Services: 24 Hour Hvac
5
Vitt Heating & Cooling
4719 Morgan Ford Rd, St. Louis, MO 63116, USA
Licensed & Insured
Services: 24 Hour Hvac
6
Dole Heating & Air Conditioning
1920 S Broadway, St. Louis, MO 63104, USA
Services: 24 Hour Hvac
7
Scott-Lee Company
11010 Gravois Industrial Ct, St. Louis, MO 63128, USA
Services: 24 Hour Hvac
Sponsored
8
One Hour Heating & Air Conditioning® of St. Louis
6068 Baumgartner Industrial Dr, St. Louis, MO 63129, USA
Services: 24 Hour Hvac
9
Indoor Comfort Team
3640 Scarlet Oak Blvd, Kirkwood, MO 63122, USA
Services: 24 Hour Hvac
10
Anton's Plumbing, Heating/Cooling & Energy Experts
950 Bolger Ct, Fenton, MO 63026, USA
Services: 24 Hour Hvac
How We Ranked These St. Louis Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the St. Louis market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
How much does 24 hour hvac cost in St. Louis?
Pricing varies. Get 2-3 local quotes.