(210) 610.2332 
24-Hour Emergency Service | Fast HVAC & Electrical Repairs
When Comfort Can’t Wait—Sigma Air Delivers
Trusted across Texas for 24/7 HVAC and electrical rescue, Sigma Air brings decades of expertise, speed, and reliability—because your safety is our priority.
Emergency HVAC & Electrical Services
We handle urgent situations with speed and professionalism, including:
HVAC
Emergencies
- No cool air or heating malfunctioning
- Refrigerant leaks or strange hissing/smells
- Electrical faults within HVAC components
Electrical
Emergencies
- Power outages affecting comfort or safety
- Hazardous wiring or electrical faults
- Sparks, burning smells, or sudden outages
How to Contact Us
Phone:
(210) 610.2332
Available 24/7 for emergency dispatch.
Email:
info@sigmaairtx.com
We respond promptly to emergencies.
Quick Online Form!
Visit our website to submit your name, contact number, service type, and details. We’ll call you back within minutes.
How We’re Different From Others
We know emergencies don’t wait—and neither should you. Here’s why we stand out:
Always Available
24/7 direct access to live support, not auto-answers.
Fast Response Teams
Our vans are stocked with essential parts for one-visit repairs.
Licensed, Skilled Technicians
Expertly trained and certified to work safely under pressure.
Transparent Pricing
No surprise fees, even for late-night or weekend calls.
Customer‑Centered Trust
We’re local, reliable, and backed by reviews and guarantees.