(210) 657-4462 sales@sigma-air.com

Quality has no substitute

30 years leading San Antonio and South Texas in Multi-family HVAC Contractor Services.




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Setting the Standard in Multifamily HVAC Excellence since 1994

For three decades, Sigma Air has been the premier choice for multifamily HVAC solutions, setting the benchmark for excellence in San Antonio and throughout South Texas. Renowned for our specialization in high-end projects and remodels, we stand as the pinnacle of quality and reliability in the industry.

Leaders in Innovation and Experience

With a dedicated team of highly qualified professionals and a wealth of experience spanning hundreds of successful projects, Sigma Air leads the way in innovation and service. Our commitment to excellence is unparalleled, ensuring that every installation and renovation meets the highest standards of quality and efficiency.

Your Trusted Partner for HVAC Solutions

Whether it’s a luxury apartment complex or a historic renovation, Sigma Air is your trusted partner for all HVAC needs. Our comprehensive approach and attention to detail guarantee seamless integration and optimal performance, providing comfort and satisfaction to residents and property owners alike.

Experience the Sigma Air Difference

Join the countless satisfied clients who have experienced the Sigma Air difference. Contact us today to learn more about how we can elevate your multifamily HVAC project to new heights of excellence.

Contractor Reference

Our reputation and work can be verified by our satisfied customers!


View some of our Sigma-Air’s notable projects.