1. No results to show.
  1. No results to show.

Sigma Air Heating & Cooling

Licensed
Licensed
Contact for price

Online now


Thumbtack Guarantee

If you hire this pro, you’re covered by a money-back guarantee. Learn more

If you hire this pro, you’re covered by a money-back guarantee. Learn more

About
About Sigma Air, A Legacy of Excellence: At the heart of Sigma Air is a story of perseverance, vision, and the pursuit of building something bigger than just a business—it’s about building trust, comfort, and community. Founded in 1999, Sigma Air began as a small, family-led venture in San Antonio, Texas. Over the years, it has grown into one of the most respected HVAC providers across the state, specializing in residential, multifamily, and commercial HVAC solutions. For decades, Sigma Air has led the way in HVAC excellence. Now, we’re bringing that same quality and commitment to homeowners across Greater San Antonio. Whether you’re dealing with a broken AC, looking to upgrade your system, or need fast emergency help, we’ve got your home covered. Let’s Bring Comfort Home! Just bring us a written quote from a reputable, licensed company within the last 30 days, and we will beat the quote for new equipment installations or complete new HVAC system installations. *Cannot be combined with other offers*. Simply make an appointment by clicking the button below and one of our staff members will reach out on how to save you money!
Overview

Hired 12 times

Serves San Antonio, TX

Background checked

License verified

27 employees

32 years in business

Business hours

SunClosedMon7:00 am - 6:00 pm

Payment methods

This pro accepts payments via Apple Pay, Cash, and Credit card.

Social media

Instagram

Credentials

License verified

Air Conditioning / Refrigeration Contractor

License state: TX

Background checked

Passed by Alan Ruiz on Feb 24, 2026.

Services offered
Work needed
System type

Split system

Packaged system

Other

Building height

Single-level

Two-story

Three-story

Projects and media
Projects and media
Reviews

Customers rated this pro highly for value, and responsiveness.

Exceptional 5.0

46 reviews

5

98%

4

2%

3

0%

2

0%

1

0%

Read reviews that mention:


pro avatar
Monica A.

Feb 27, 2026

From Google

I had a great experience with Sigma Air, they came out to maintenance my HVAC system. They were flexible in scheduling, prompt, thorough and professional. I highly recommend to have any work that needs to be done with your HVAC to call Sigma and tell them Monica A Olivares sent you.
Sigma Air Heating & Cooling's reply
Thanks, Monica—glad we could help with your HVAC maintenance and make scheduling easy. I appreciate you pointing out our prompt, thorough, and professional service, and thanks for recommending Sigma Air Heating & Cooling to others.
pro avatar
T M.

2 weeks ago

From Google

Technician arrived on time and great communications. Evaluated my system and provided a detailed report. Can't ask for anymore! Thank you Ronnie
Sigma Air Heating & Cooling's reply
Thanks, T—glad our technician showed up on time, kept you in the loop, and gave you a clear, detailed report after evaluating your system. We appreciate you choosing Sigma Air Heating & Cooling, and I’ll be sure to pass your thanks along to Ronnie.
pro avatar
Brianna J.

3 weeks ago

From Google

Sigma was absolutely wonderful to work with! When our capacitor and fan motor went out right at the start of the Texas spring and summer heat, they stepped up and saved the day.Dealing with AC issues in this climate is never fun, but their team made the process seamless and stress-free. If you're looking for reliable, high-quality service, I cannot recommend them enough!
Sigma Air Heating & Cooling's reply
Brianna, thank you for the kind review. I’m glad our team could jump in quickly and get your capacitor and fan motor taken care of right when the Texas heat was ramping up, and that we made the whole process feel easy. We really appreciate the recommendation and the trust in Sigma Air Heating & Cooling.
pro avatar
Stephanie O.

2 weeks ago

From Google

Very knowledgeable explain exactly what he was doing and showed me how my A/C is running. Great team and introduce himself and shook my hand prior to coming in.
Sigma Air Heating & Cooling's reply
Stephanie, thank you for the kind review. I’m glad our technician explained each step clearly, showed you how your A/C was running, and that the team was professional from the moment we arrived. We appreciate you choosing Sigma Air Heating & Cooling.
pro avatar
Mary B.

Mar 2, 2026

From Google

I highly recommend Sigma Heating and Cooling. Ronnie was the lead technician, he and his helper were very professional and courteous. They were two young men doing a fantastic job. I will use their services if ever needed
Sigma Air Heating & Cooling's reply
Mary, thank you for the recommendation and for choosing Sigma Air Heating & Cooling. I’m glad Ronnie and his helper took great care of you with professional, courteous service. We’ll be here whenever you need us.
  • Loading