
HVAC & Plumbing Experts Serving San Marcos, TX and Beyond
As times get tough, other companies cut corners. But we decided to stay reliable for over 29 years. Call us to get Reliable People, Reliable Scheduling and Reliable Relationships!

Our HVAC & Plumbing Services
Comprehensive solutions for residential and commercial properties.
From air conditioning to plumbing, we cover all your needs. Reliable services available in San Marcos and surrounding areas.

Why Choose Us?
As times get tough, other companies cut corners. But we decided to stay reliable for over 29 years. Call us and you'll get:
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Many of our employees stay for 10+ years. So you'll always hear a familiar voice on the phone or see a familiar face at your door.
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With same-day service and 2-hour scheduling windows, you'll get service at a time that's convenient for you.
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Since we constantly train our employees, you can be 100% confident that your job will be done right—the first time.

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"I was happy with the service so I went ahead and got on their 2 year plan for maintenance."
He was thorough in taking all the things apart to inspect and clean, and was prepared for all the minor repairs and that needed to be done. It took about 45 minutes or so and it was all done!- Candice R. -
"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. -
"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 am super grateful."
Andy was extremely polite, helpful, and transparent. Reliable Air was able to accommodate my crazy work schedule to service my a/c unit.- Jennifer S. -
"I highly recommend Reliable Air for any HVAC needs."
JW was the technician that serviced my HVAC unit. He was on time and professional.- Joseph M. -
"I would recommend them to anyone."
Knowing their quality of work, when I needed work on my own home I knew who to call.- James B. -
"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. -
"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.
