
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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"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. -
"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. -
"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. -
"Technician JW called ahead of arrival and was on time."
JW quickly ID the problem and explained what was happening and what needed to be done. He was personable and completed the job w/o delay.- Travis H. -
"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. -
"This company is by far the best company you can ever find. They have been helping us off and on for over a year."
There was no pressure - no salesy pitch - and they continued to help us even though they knew our system was old and needed to be upgraded. They would come late in the day if needs be, and worked around our schedule- Susan & Blake -
"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. -
"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.
