A Reliable Air work van at a Central Texas home, serving the area since 1996
Same-day service, two-hour arrival windows

Same-day service,on a two hour window.

When your AC quits on a hot San Marcos afternoon, or a pipe lets go under the sink, you should not lose a whole day waiting on a technician. Reliable Air books same-day and shows up inside a two-hour window, with the same familiar faces we have sent out since 1996. Air conditioning, heating, and plumbing, all under one roof.

Voted Best of Hays 2024, Top 3 in AC and Plumbing · BBB A+ Accredited
Since 1996
Family owned in San Marcos, serving Central Texas for three decades.
2-hour windows
Same-day service and tight arrival windows, so you are not stuck waiting all day.
BBB A+
A local name Central Texas has trusted and accredited since 2009.
Voted Top 3 Best of Hays 2024 by the San Marcos Daily Record One local team for air conditioning, heating, and plumbing, serving Central Texas in English and Spanish. Financing available, with free estimates.

We don't cut corners. Even when times get tough.

Cutting corners means do it cheaper, do it faster, just get it done. When an HVAC company works that way, you pay the price later. Since 1996 we have done it the other way, built on three simple things.

Reliable people
Done right the first time
We train our team constantly, so you can be confident the job is done right the first time.
Reliable scheduling
Same-day, two-hour windows
If we say we will be at your home at a certain time, we will. Same-day service on a two-hour window.
Reliable relationships
Familiar faces, year after year
Many of our people stay 10 years or more, so you hear a familiar voice and see a familiar face.
By far the best company you can find. No pressure, no salesy pitch. They kept helping us even when they knew our system was old, and worked around our schedule.
Susan & Blake · Reliable Air customer

Comfort for the whole house. Under one roof.

Air conditioning, heating, plumbing, and air quality from one trusted local team. No juggling three different contractors when something goes wrong.

Cooling
AC Repair Same-day
AC Installation & Replacement
Ductless Mini-Splits
Maintenance & Tune-ups
Heating
Furnace Repair
Furnace Installation
Heat Pumps
Duct Repairs
And plumbing too. Reliable Air is a full-service home company, not just HVAC. Same team, same standard.
Clean plumbing fittings under a bathroom sink

Plumbing

Drain cleaningLeak & pipe repairWater heaters TanklessWater softenersRepiping
A home air purifier in a comfortable living room

Air Quality

Air purifiersDuct cleaningDuct sealing HumidifiersUV light

Residential and commercial. Financing available and free estimates. Ask when you call.

Three steps. No runaround.

The Texas heat does not wait, so getting your home comfortable again should not come with a week long wait or a mystery bill.

1 A technician checking an air conditioning unit

Book your two-hour window

Call (512) 580-8837 or book online. Most repairs are same-day, and we give you a two-hour arrival window so you are not waiting around all afternoon.

2 A technician diagnosing a heating system

We show up when we say

A trained technician arrives on time, finds the real problem, and explains it in plain terms, with the price up front, before any work starts.

3 A technician completing an installation

Done right the first time

Whether it is AC, heating, or plumbing, our people are trained to do it right the first time. And if we ever get it wrong, we make it right.

A Central Texas family relaxed and comfortable at home
Since 1996
"We let our yes be yes, and our no be no. If we say we will be there, we will."
Why Cheryl started Reliable Air

It has been about faith and family. Since 1996.

"This is Cheryl, the owner of Reliable Air. When I started Reliable Air in 1996, I aimed to do things a little differently." For Cheryl that has always come back to faith and family: hiring for character as much as skill, and investing in people so they stay for the long run. The nice side effect is that you hear a familiar voice on the phone and see a familiar face at your door, year after year.

Family owned since 1996
BBB A+ Accredited
Bilingual, English and Spanish
Cheryl Founder
Reliable Air

Central Texas keeps calling Reliable Air back.

Real reviews from Reliable Air customers · BBB A+ Accredited · Best of Hays 2024
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Chance S.Reliable Air customer
"Three years of frustration cured in under an hour. They diagnosed the root cause and fixed an issue that had been a nagging problem ever since the HVAC was installed by another company."
D
Dave N.Reliable Air customer
"We had them install a brand new a/c unit about 4 years ago and just had our first issue. I called yesterday, and they had someone out first thing this morning to fix it, all free of charge."
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Jennifer S.Reliable Air customer
"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."
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Michelle M.Reliable Air customer
"Geoff came to fix our toilet that has been acting up. He did a great job and was very professional. He was very kind and helpful. Thanks again for the great service."
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Amanda N.Reliable Air customer
"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. No outrageous service call fee and saved us money."
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Travis H.Reliable Air customer
"Technician JW called ahead of arrival and was on time. He quickly ID'd the problem, explained what needed to be done, and completed the job without delay."
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Erik G.Reliable Air customer
"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."
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Robert G.Reliable Air customer
"So thankful they could help us today during this unseasonably hot time. Second time we have used Reliable Air. Andrew was on time and professional."
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Steve S.Reliable Air customer
"I highly recommend their service. Edgar explained in detail what he would be doing, along with the issue he found, in terms that any homeowner would understand."

Your Central Texas neighbors.

Based in San Marcos and covering the New Braunfels, Seguin, Kyle, and San Antonio corridor across Hays County and beyond.

4702 N State Highway 123, Suite C
San Marcos, TX 78666
San MarcosNew BraunfelsKyle SeguinBudaWimberley Canyon LakeDripping SpringsSchertz CiboloUniversal CityConverse SelmaGarden RidgeLockhart LulingLa VerniaDriftwood FischerManchaca + surrounding areas

Reliable, on every job.

We Keep Our Word

If we say we will be at your home at a certain time, we will. And if we ever get it wrong, we make it right.

Same-Day, Two-Hour Windows

Most repairs are same-day, with a tight arrival window so you are not stuck waiting around.

Discounts That Say Thanks

Five percent off any repair for seniors, military, and first responders.

Mention it to your technician. Not valid on the service call fee or new system replacements.

Financing & Free Estimates

Flexible financing on bigger jobs, and a free estimate before you decide anything.

BBB A+ Accredited Business
Top 3 Best of Hays 2024
Family OwnedIn San Marcos since 1996
Hablamos EspaƱolBilingual team, English and Spanish

Reliable people, on a
two hour window.

A local team that has picked up since 1996 and will not sell you what you do not need.

Book a visit Call now