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At Stay Cool Air Conditioning & Heating, our mission is simple: to keep families and businesses in the San Antonio area comfortable, safe, and worry-free. We’re a family-owned and operated HVAC company rooted in the values of honesty, hard work, and old-fashioned customer care. Since 2017, we’ve served thousands of homes across San Antonio—from New Braunfels to Castroville, and all points in between. Whether it’s a repair in the middle of the night, a system installation, or regular maintenance to keep your air running efficiently, we show up ready, reliable, and respectful of your time and space. We install and service trusted brands like...
Stay Cool Air Conditioning & Heating
Home Care & Success Stories
Stay Cool Air Conditioning & Heating
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Michelle H.
Jordan Allison did a wonderful job!! He communicated very well the inspection that was done to ac unit along with images of proof of what needed to be corrected. Jordan was detailed about the job he was performing on the ac and explained himself very well.
Review from Google
Arthur F.
This review covers the span of the last year, from initial inspection for unit replacement and install through today 11APR25- a spring/summer maintenance and tune up visit.
Old system was dying and needed to be replaced. I did my research and was set on a variable speed system instead of a stage system. I narrowed my selection down to a Daikin Fit or an Armstrong 4SHP18LX from another local company.
At the time, Stay Cool employed a guy named Chris; he was a great advocate for the Daikin system and for Stay Cool. He was professional and communicated well during our exchanges. He was as transparent as I would expect, patient with his explanations, and was not overbearing in sales tactics. He compromised within reason and we ultimately agreed on a sale.
The installation was rather quick thereafter; the installation team was comprised of three techs: Hunter, Dakota, and Santos. Chris popped in to check on progress. The techs were efficient and took care not to damage anything. They answered any questions I had and at the end of the day, they cleaned up well. There was an issue with my UV light; it seemed to be inoperable. Chris mentioned that it may kick on once the system ran for some time, but if the indicator light didn't kick on, I should call the office.
I called in, needed the unit replaced after all, Chris came back out to do an inspection and determine the best replacement option. When he left, he said they would order the part and call me once it came in.
After some weeks went by, I called in (procrastination on my part) to see what the status was. Tony would end up coming out to check the system out. He explained a lot to me about the system, and the UV light. In the end, Tony ensured I would get the included system light in a functional manner and he would provide a sanitizing service.
The light and service was provided as discussed and the system has worked flawlessly ever since.
Today, Christian completed the last service as part of my 1st year's maintenance plan. He was a pleasant young tech to have servicing the system. He took time to discuss his knowledge and training with the Daikin system as well as his maintenance tasks that he was completing. He was respectful throughout his duties.
I hope this review helps someone else who is considering Stay Cool. They're a smaller business but proved to be fair, professional and offer great service throughout the HVAC replacement ordeal which is usually not something consumers look forward to. I have no concerns that future maintenance or service visits would fall short of the levels of customer service provided this far.
Review from Google
David N.
Very professional. We had a miscommunication issue and an issue with our house which does not have a standard AC system and Jordan did a great job taking care of it. I really appreciate the great work by this company.
Review from Google
Sherry T.
Dion was great. He was very professional and explained everything in terms we could understand.
Review from Google
Winston S.
Stay Cool A/C & Heating – Outstanding Service & Forward-Thinking Installation
After my 20-year-old Trane XR-12 heat pump finally gave up (thanks to a landscaping mishap that damaged the copper lines), I did months of research on a replacement. I knew I wanted the new R-32 refrigerant that became standard as of January 1, 2025, and Daikin stood out with their side-discharge design, advanced variable-speed motor, humidity control, and quieter operation.
I met Stay Cool A/C & Heating at the San Antonio Home & Garden Show and was immediately impressed by the owner, Tony. He’s knowledgeable, honest, and runs a top-notch crew. They installed a new Daikin Fit heat pump with clean, aesthetic copper piping, upgraded my oversized breaker (which could have been a fire hazard), installed surge protection, rerouted the condensate drain to water my landscaping, and even sealed the electrical conduit properly. Every detail was handled with care and pride.
We poured a huge 5x6 concrete pad to protect the new outdoor unit (my idea—my wife calls me the king of overdoing it), and they came back a week later to anchor the unit perfectly.
This is one of the last big home improvements I plan to do as I head toward retirement, and I can honestly say I feel prepared and confident in this system for the next 20 years. Stay Cool delivered expert craftsmanship, clear communication, and above-and-beyond service.
Highly recommend Tony and his team for anyone looking for quality HVAC work done right.
Review from Google
David L.
Stay Cool Air Conditioning & Heating team did an outstanding job installing our New Daikin Fit unit. Service team was very professional. I would let anyone else install a Daikin fit.
Review from Google
Jan 29, 2026