Business Details
20 Years
experience
Emergency
services
Trusted HVAC Installation & Repair in Devine, TX
Sub Zero has been serving residential and commercial clients in Devine, Texas and the Greater San Antonio area since 2006. Our family-owned business combines over 50 years of collective industry experience with a commitment to quality, reliability, and honest service. We specialize in air conditioning repair, installation, and maintenance, prioritizing customer satisfaction through transparent communication and expert technical solutions.Our certified technicians service all major HVAC brands while offering energy-efficient system upgrades and 24/7 emergency response capabilities. With a focus on safety, precision, and long-term client relationships, we maintain rigorous quality standards across every project, from routine maintenance to complex commercial installations.
Services
AC Repair
Heating Installation
HVAC Maintenance
Ductless Systems
Commercial HVAC
Details
- Year established: 2006
Highlights and features
- Available 24/7 for emergency HVAC repairs
- Over 50 years combined experience in HVAC industry
- Certified technicians for all major brand servicing
- 100% satisfaction guarantee on all services
- Serving 15+ communities in South Texas region
What people say
Great customer service
Honest employees
Very experienced
Prompt service
Top-quality work
Services
AC Repair
Emergency and scheduled air conditioning repair services for residential and commercial properties. Our certified technicians diagnose and fix refrigerant leaks, electrical issues, and mechanical failures while maintaining system efficiency. We provide upfront pricing and honest recommendations for repairs versus replacements.
HVAC Installation
Professional installation of energy-efficient heating and cooling systems including American Standard equipment. We perform precise load calculations using Manual J software to ensure optimal system sizing and compatibility with existing ductwork configurations for maximum performance.
Preventative Maintenance
Seasonal HVAC maintenance plans that include comprehensive inspections, coil cleaning, refrigerant checks, and duct leakage diagnostics. Our maintenance services help extend equipment lifespan, improve energy efficiency, and prevent unexpected breakdowns during peak usage periods.
Ductless Systems
Design and installation of Mitsubishi ductless mini-split systems for supplemental heating and cooling. These zoned solutions offer flexible installation options, improved air quality, and potential energy savings for both residential and commercial applications requiring targeted temperature control.
Commercial HVAC
Full-service commercial HVAC solutions including system design, installation, and 24/7 emergency repair. We specialize in commercial ductwork installation, large-scale system maintenance, and energy-efficient upgrades tailored to business operations across multiple industries.
Questions
What HVAC services do you offer?
We provide complete HVAC solutions including AC repair, heating installation, ductless systems, commercial HVAC services, and preventative maintenance plans for residential and business clients.
Are you available for emergency repairs?
Yes, our technicians are available 24/7 for urgent HVAC issues with immediate response times to restore comfort and system functionality during critical breakdowns.
Which areas do you service?
We serve Devine, San Antonio, and surrounding communities including Natalia, Lytle, Hondo, Castroville, and all areas within a 50-mile radius of our office location.
Do you service all HVAC brands?
Our certified technicians work with all major HVAC brands including American Standard, LG, and Mitsubishi equipment for both residential and commercial systems.
What maintenance plans are available?
We offer seasonal maintenance contracts covering comprehensive system inspections, cleaning, and performance optimization to maintain efficiency and extend equipment lifespan for residential and commercial clients.
How do I schedule service?
Contact us directly at (830) 663-9953 or through our website contact form to schedule emergency service, routine maintenance, or request free equipment replacement estimates.
