Sigma Air Heating & Cooling
Licensed HVAC contractor in San Antonio, Texas
Sigma Air Heating & Cooling holds TDLR licence TACLB00014858E, active, licensed since 13 Sep 1995, rated 4.9 from 156 Google reviews.
Report card
- Licence activeTDLR #TACLB00014858E, class BE. Issued 13 Sep 1995, expires 16 Jan 2027.
- Licensed 31 yrsSince 13 Sep 1995.
- On the BBB, not accreditedIts BBB rating, complaints and reviews are on its Better Business Bureau profile.BBB profile Complaints Reviews
- 39 building permits since 2020Naming this business as the contractor (City of Austin), most recently 14 May 2025.
Checked against the Texas Department of Licensing and Regulation (TDLR) register on 4 Nov 2026.
Google reviews
4.9(156 reviews)Gladys M Sosa★★★★★ 3 weeks agoView on Google
I would like to recognize Crystal Ballinger for providing outstanding customer service. She is professional, knowledgeable, and clearly knows what she is doing. She takes the time to assist customers, answers questions with confidence, and demonstrates a genuine commitment to providing excellent service. Her professionalism and positive attitude make a great impression, and she is truly an asset to Sigma Air. Employe…
Julissa Sanchez★★★★★ a month agoView on Google
David and Trey are my heroes! Seriously - they showed up - very friendly and considerate of my stress - and not only fixed the issue with my AC, but answered my one thousand questions. They also supplied me with suggestions incase I wanted to attempt certain maintenance errands on my own- very knowledgeable, very kind and respectful, and totally willing to educate me. I will absolutely count on them for yearly mai…
abrham tibebu★★★★★ a month agoView on Google
I rarely leave Google reviews, but this team truly deserves recognition for their professionalism, transparency, and discipline. Ronnie, Trey, and David did an outstanding job replacing my HVAC unit today. Ronnie visited multiple times to accurately diagnose the problem and provided a free estimate. After dealing with seven other unprofessional or overpriced contractors—including a frustrating experience with a home …
John Casarez★★★★★ 6 months agoView on Google
Sigma Air installed a mini split in my wife’s backyard office. They were fast, efficient, and very friendly. We contacted them through Thumbtack and they were very responsive. We knew what was going to happen every step of the way. The unit is so quiet and blows super cold. Great job!
Michael Dahlke★★★★★ 3 months agoView on Google
August in San Antonio and the AC is not working properly. Never a good time. I had the cooling portion of my system replaced by Sigma, who had no issue with installing equipment that I provided. The techs were on-time, respectful of our property, did excellent work - even endured some of my geeky hovering - answered any and all questions and did a great job with replacing the old unit with the new. They left the si…
Read all 156 reviews on Google Reviews and photos from Google, 4 Nov 2026.
Recent permits
Building permits pulled under licence #TACLB00014858E, from City of Austin open data, which names contractors up to 3 Nov 2026. Locations are shown to ZIP code only.
- 14 May 2025 · Mechanical Permit New · ZIP 78735ePlan: Expedited Review - New Construction of a Multi-Family Complex Parking Garage (162510 SF).
- 3 Jan 2025 · Mechanical Permit New · ZIP 78617ePlam-Expedited Review: New Construction of a 4-Story Multi Family Building. Bldg. 2 Phase 4 of Multi-Family Units (36313 SF).
- 3 Jan 2025 · Mechanical Permit New · ZIP 78617ePlam-Expedited Review: New Construction of a 4-Story Multi Family Building. Bldg. 1 Phase 3 of Multi-Family Units (56140 SF).
- 3 Jan 2025 · Mechanical Permit New · ZIP 78617ePlam-Expedited Review: New Construction of a 4-Story Multi Family Building. Bldg. 1 Phase 2 of Multi-Family Units (123301 SF).
- 9 Dec 2024 · Mechanical Permit New · ZIP 78735ePlan: Expedited Review - New Construction of a Multi-Family Complex Phase 3 FW3 (60008 SF).
Why it ranks #9 of 963 HVAC contractors in San Antonio
Score 95.8 / 100. Claiming this listing or using Theo never changes it. How we rank
Other top HVAC contractors in San Antonio
See all 963- 1
Md Air Conditioning & Heating
- Licence active
- 2
J & V Appliance Service
- Licence active
- 3
Allstate Air and Heat
- Licence active
- 4
Lee Jaye Rosenberg
- Licence active
- 5
Air Care A/C of San Antonio Inc
- Licence active
- 6
Amigos Heating & Air Cond
- Licence active