So. Tex Indoor Air Comfort

amy swan★★★★★ 2 weeks agoView on Google

We needed an HVAC & attic assessment on our new home purchased (built in late 1960’s) Everything was original, except for the HVAC Unit. The owner himself, Mark returned my call immediately, came out the following day, free assessment. It was discovered the Ductwork was failing, & lack of insulation. I received a Bid with scope of work, timeline & warranties….That same day!. Price was half of what I’ve been quoted by…

Cassie Balfour★★★★★ 4 months agoView on Google

Mark did an amazing job!! He was very informative, friendly, and arrived so quickly!!! Got my AC up in running within less than 30 minutes!!! The costs to repair are the cheapest I have found in San Antonio!! I recommend him and Sotex 💯!!!

Germ Mendez★★★★★ 5 months agoView on Google

I want to give a huge shoutout to So. Tex Indoor Air Comfort and especially Marcos Hernandez. From the beginning, Marcos was professional, honest, and easy to work with. He took the time to explain what was going on, answered questions, and made sure everything was done right. Nowadays it is hard to find people who actually care about the work they put out, but Marcos and his team showed that they take pride in what…

Baltazar Vela★★★★★ a month agoView on Google

Mark was very quick and efficient. He knew exactly what he was doing and diagnosed my problem within a couple of minutes. Would definitely recommend!

Maria Stavrinou-Reyes★★★★★ 4 months agoView on Google

Absolutely FANTABULOUS!!!! Friendly professional, upfront and honest, these are traits rarely seen nowadays. Mark came to my house, diagnosed the issue thoroughly, advised of what steps needed to be taken and how much it would cost before starting the job. Once the work was completed he verified the unit was working properly. Highly recommend using Mark for any HVAC needs

Read all 106 reviews on Google Reviews and photos from Google, 4 Nov 2026.