Top 10 Emergency Hvac in Houston, TX
The best emergency HVAC services in Houston, TX for 2026 include Air Tech of Houston AC & Plumbing (4.9), Mission Air Conditioning & Plumbing (4.8), All Star A/C, Plumbing & Electrical (4.9). All offer 24/7 emergency response for no-heat, no-AC, and refrigerant leak situations.
Air Tech of Houston AC & Plumbing
Mission Air Conditioning & Plumbing
All Star A/C, Plumbing & Electrical
One Hour Air Conditioning & Heating® of Houston
Village Plumbing, Air & Electric
Ace Comfort Air Conditioning & Heating
A1 Plus Electrical, Plumbing and Air Conditioning Repair
Bellaire Air Conditioning
Aire Serv of Central & West Houston
H-Town AC Repair HVAC services Houston
How We Ranked These Houston 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 Houston market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
How much does emergency HVAC service cost in Houston?
Emergency HVAC service in Houston typically adds $100-$250 to standard repair rates. After-hours calls may be 1.5x-2x normal pricing. Most arrive within 60-90 minutes.
What qualifies as an HVAC emergency?
No heat in winter, no AC during extreme heat, gas smell from furnace, carbon monoxide alarm, refrigerant leak, and electrical burning smell all qualify.
Do Houston HVAC companies really work 24/7?
Yes, most top-rated HVAC companies in Houston maintain on-call technicians around the clock. True emergencies get priority even at 3 AM.