Our Service Areas
Serving San Marcos and Surrounding Cities
We provide emergency, same-day air conditioning and heating services to the following cities in Texas:
Don't see your city? Contact us to see if we service your area!


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"When he arrived he was professional, kind, and we knew we were in good hands."
He fixed our AC and was out in 45 minutes. Best of all we had no outrageous service call fee and saved us money. We definitely will use Reliable Air again and highly recommend them for your heating and air conditioning needs!- Amanda N. -
"Wonderful customer service on top of always being available day and night."
Shout out Cheryl and Juan for the great experience! The entire team is on top of it!- Bryn L. -
"3 years of frustration cured in under an hour!"
They were able to diagnose the root cause and fix an issue that had been a nagging problem ever since the HVAC was installed by another company.- Chance S. -
"I will use you guys again in the near future!"
He knew exactly what needed to be fixed and he was right on it. I thank you all for the quick, fast and in a hurry respond you did for my family and I. Especially during this freezing weather.- Anna A. -
"They will mail you a reminder that it’s time to have it done again and that is very helpful."
Reliable Air off always does an excellent job of kit cleaning and servicing my air conditioner and heater.- Connie D. -
"Their technicians are amazing and wonderful staff."
Our system stopped cooling and reliable was quick to respond. They easily diagnosed the issue and took care of it immediately. Our safe T sensor kept tripping they cleaned the drain and fixed the sensor.- Erik G. -
"I am very happy with the professional informative technicians and office people at Reliable Air."
I HIGHLY recommend this San Marcos company who now does plumbing. Today they installed my new water softener and I am very happy with their service.- Lisa R. -
"I highly recommend them!"
The guys were very professional and I was expecting them to come between 2-4 and they actually came sooner and the guys did a great job and hardly any mess what’s so ever!- J.L. D.