Residential & Commercial HVAC Repair You Can Rely On
Fast, honest repair services for homes and businesses across San Antonio & surrounding counties.
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Same-day or next-day service available.
20+
Years Experience
4,000+
Customers Served
150+
5-Star Reviews
Summer Tune-Up Special: $65 (Normally $79 per system) March–May • Residential Only
Our Services
Residential & Commercial HVAC Repair
When your HVAC system isn’t working properly, you need fast answers and reliable solutions. South Texas Air provides professional A/C and heating repair services for both residential and commercial systems, with transparent pricing and experienced technicians you can trust.
Residential HVAC Repair Services
System Diagnostics
Thorough testing to identify the root cause of cooling or heating issues, ensuring accurate and efficient repairs.
A/C & Heating Repairs
Repairs for all major system components, including compressors, motors, capacitors, and heating elements.
Airflow & Comfort Issues
Solutions for uneven temperatures, weak airflow, and rooms that never seem comfortable.
Thermostat & Electrical Repairs
Diagnosis and repair of faulty thermostats, wiring issues, and system controls.
Refrigerant & Leak Repairs
Proper refrigerant level checks and leak repairs to restore cooling performance and efficiency.
Membership & Protection Plans
Ongoing maintenance, priority service, and extended warranty options designed to protect your system, reduce unexpected repairs, and keep your home or business comfortable year-round.
See membership and warranty options
Need HVAC Repair today?
Commercial HVAC Repair Services
Commercial System Diagnostics
Detailed evaluations of commercial HVAC systems to quickly identify failures and performance issues.
Rooftop Unit Repairs
Service and repair for rooftop HVAC units commonly used in offices, retail, and light commercial buildings.
Zoned System Repairs
Repairs for multi-zone systems to restore balanced comfort across different areas of your building.
Emergency Repair Response
Prompt service designed to minimize downtime and disruptions to your business operations.
Preventative Repair Solutions
Addressing small issues early to prevent costly system failures.
Membership & Protection Plans
Ongoing maintenance, priority service, and extended warranty options designed to protect your system, reduce unexpected repairs, and keep your home or business comfortable year-round.
See membership and warranty options
Need HVAC Maintenance today?
Membership & Warranty Plans
Stay Comfortable, Stay Covered
South Texas Air Platinum Club Membership
Our company maintenance plan that offers critical maintenance services and extra benefits for members year-round.
Members receive:
- VIP Priority Service (24-hour arrival during peak season)
- Preferred Technician
- 2 FREE Precision Tune-Ups (1 A/C + 1 heating)
- 50% Off Repair Diagnostic Fee
- 20% Off Repairs, Parts & Filters
- Transferable if you move
- Only $14.91/month per system
Maintenance coverage only. Labor not included.
South Texas Air PRO Warranty Plan
Ultimate protection for new system installations.
Includes:
- 10-Year Parts & Labor Warranty
- Full coverage for all potential repairs
- Peace of mind for an entire decade
Maintenance coverage only. Labor not included.
Standard Factory Warranties
Equipment Warranty:
- 10-year parts warranty (registered equipment)
- 5-year parts warranty (unregistered)
- We register all equipment for you at no cost.
Contractor Labor Warranty:
- 1-year labor from installation date
Service & Repair Warranty:
- Mirrors equipment warranty (10 years registered / 5 years unregistered)
Maintenance coverage only. Labor not included.
Membership & Warranty Plans
Stay Comfortable, Stay Covered
South Texas Air Platinum Club Membership
Our company maintenance plan that offers critical maintenance services and extra benefits for members year-round.
Members receive:
- VIP Priority Service (24-hour arrival during peak season)
- Preferred Technician
- 2 FREE Precision Tune-Ups (1 A/C + 1 heating)
- 50% Off Repair Diagnostic Fee
- 20% Off Repairs, Parts & Filters
- Transferable if you move
- Only $14.91/month per system
Maintenance coverage only. Labor not included.
South Texas Air PRO Warranty Plan
Ultimate protection for new system installations.
Includes:
- 10-Year Parts & Labor Warranty
- Full coverage for all potential repairs
- Peace of mind for an entire decade
Maintenance coverage only. Labor not included.
Standard Factory Warranties
Equipment Warranty:
- 10-year parts warranty (registered equipment)
- 5-year parts warranty (unregistered)
- We register all equipment for you at no cost.
Contractor Labor Warranty:
- 1-year labor from installation date
Service & Repair Warranty:
- Mirrors equipment warranty (10 years registered / 5 years unregistered)
Maintenance coverage only. Labor not included.
Why Choose South Texas Air
Your Local Family-Owned HVAC Experts
We started South Texas Air with one mission — to bring honesty, affordability, and personal care back to HVAC service. As the industry becomes more corporate, customers often pay more but receive less. We’re here to change that.
Family-Owned & Operated Values
Transparent, Honest Pricing
20+ Years of Hands-On Experience
Residential & Commercial Expertise
Pride in Crafsmanship
Serving 10 Texas Counties
Fast Response, Friendly Service
From our family to yours — thank you for trusting us with your home’s comfort.
testimonials
Customer Reviews
Fast, honest, and reliable! South Texas Air is the only HVAC company I trust.
Verified Google Review
Customer Reviews
Fast, honest, and reliable! South Texas Air is the only HVAC company I trust.
Verified Google Review
Customer Reviews
Fast, honest, and reliable! South Texas Air is the only HVAC company I trust.
Verified Google Review
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Get In Touch With Us
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FAQs
Frequently Asked Questions
Do you service both residential and commercial HVAC systems?
Yes. South Texas Air provides full-service heating and cooling solutions for homes, offices, retail spaces, and multi-unit properties.
How much does it cost to diagnose an A/C issue?
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