Emergency Heating Repair in San Marcos

When your heat stops working on a cold night, you need a local company that can respond today. Reliable Air has provided heating and HVAC service to San Marcos homes and businesses since 1996, and we offer same-day scheduling with 2-hour arrival windows so you’re not waiting in the cold.

San Marcos winters are short, but they bite. Nights in the 20s and events like the February 2021 freeze proved that Central Texas heating systems can face genuine emergency conditions. A no-heat situation during a hard freeze isn’t just uncomfortable. It’s a safety concern. Indoor temperatures can drop quickly in older homes, and uninsulated pipes don’t take long to follow.

Call us now at (512) 580-8837 to schedule same-day emergency heating repair in San Marcos. We serve both English and Spanish-speaking customers.

Why San Marcos Residents Call Reliable Air

Over 28 years in the San Marcos area means our technicians know the heating systems in local homes and commercial properties. That tenure also translates to a stable team: many of our technicians have been with us for 10 or more years, so you’re likely working with someone who has been in your neighborhood before.

We operate on honest assessments and fair pricing. Before any repair begins, we diagnose the problem, explain it clearly, and give you a quote. No surprises. Reliable Air was recognized as a Top 3 Winner in Best of Hays 2024, a community recognition that reflects how San Marcos residents have experienced our service over the years. We serve residential and commercial customers across San Marcos, Kyle, New Braunfels, Wimberley, and Hays County.

When to Call for Emergency Heating Repair in San Marcos

Some heating problems are urgent. Others can wait until morning. Knowing the difference protects your household and helps you act quickly when it counts.

Safety-critical situations that require an immediate call:

Gas odor near the furnace: Evacuate the building immediately, call 911 from outside, then contact an HVAC professional. Don’t attempt to relight the pilot or restart the system.
Carbon monoxide detector alarm: Leave the home and call 911. Carbon monoxide is colorless and odorless and can be produced by a malfunctioning furnace.
Complete loss of heat during freezing temperatures: Indoor temperatures can fall fast enough to create health risks and damage pipes in uninsulated areas.
Loud banging, booming, or grinding from the furnace: These noises can signal ignition problems, a failing blower motor, or other failures that worsen with continued operation.
Visible sparks or burning smell from the unit: Shut the system off and call immediately.

Urgent same-day situations that still need prompt attention:

Heat pump blowing cold air in winter
System short-cycling (turning on and off repeatedly without reaching temperature)
Pilot light out and won’t relight
Thermostat unresponsive despite new batteries

Furnaces typically last 15 to 20 years. Older systems are more likely to fail when called into sudden, heavy use after sitting idle, which is exactly the pattern San Marcos winters create. If your system is aging, an emergency failure during the first hard freeze of the year isn’t unusual.

Heating Systems We Service in San Marcos

San Marcos homes use a mix of heating equipment depending on when they were built and how they’re configured. Heat pumps are common given the mild climate. Gas furnaces are standard in many homes built before the 2000s. Some older properties still use electric strip heat. Each system has different failure modes, and our technicians diagnose the specific equipment rather than applying a one-size-fits-all approach.

We handle gas furnace repair and heat pump repair for both residential and commercial customers. Commercial properties often use rooftop units or larger-scale systems that require different diagnostic tools than residential equipment. Whatever you have, we’re equipped to work on it.

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"Thank you JW!"
JW was very professional, checked the system out top to bottom, quickly identified the issues and hopefully, will be tasked with getting our heat system up and running after speaking with owner.

- Daryl F.
"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 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.
"Thanks again for the great service!"
Geoff came to fix our toilet that's been acting up for a couple of weeks now. He did a great job and was very professional. He was very kind and helpful.

- Michelle M.
"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.
"Tom was very honest, informative and professional."
I would definitely recommend this company to anyone.

- Daveed O.
"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.
"When Edgar arrived he was polite and courteous. He explained what he was going to complete the diagnostics first."
He then explained what needed to be done and made sure I understood. It was very appreciated that he gave me time to decide on my repair because it was going to cost a bit of money.

- Esther T.

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What to Expect When You Call Us for Emergency Heating Service

When you call Reliable Air for emergency heating repair, we schedule your appointment with a 2-hour arrival window so you know when to expect us. We don’t give you a six-hour span and hope for the best.

When your technician arrives, the visit starts with a safety inspection: checking for gas leaks and carbon monoxide before any diagnostic work begins. Once the system is confirmed safe, we identify the root cause of the failure, explain the problem in plain language, and provide a quote before touching anything. Our customers consistently tell us they appreciate technicians who explain what’s wrong in terms a homeowner can actually understand.

After the repair, we test the system and confirm safe operation before we leave. One customer noted their system was back up and running within 2 hours of arrival. That’s the pace we work toward on every call. Our technicians receive continuous training, and we stand behind the quality of everything we do.

Financing for Unexpected Heating Repairs

Emergency repairs don’t appear in anyone’s budget. Financing can let you restore heat today and manage the cost over time rather than delaying service while you sort out an unexpected expense.

Reliable Air offers financing through two lenders, covering all equipment brands:

Synchrony Financial
Offers no monthly interest if paid in full within 18 months, 5.99% APR for 36 months, or 9.99% APR for up to 132 months. All terms are subject to credit approval and lender conditions.
Wells Fargo Home Projects Credit Card
Provides a revolving credit line with same-day purchase power upon approval, which can give you immediate access to funds when you need them most.

The application process is straightforward, with fast credit decisions so financing doesn’t slow down your repair.

Call us now at (512) 580-8837 to schedule same-day emergency heating repair in San Marcos. We serve both English and Spanish-speaking customers.

Why Choose Us?

As times get tough, other companies cut corners. But we decided to stay reliable for over 30 years. Call us and you'll get:

Reliable Relationships
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.
Reliable Scheduling
With same-day service and 2-hour scheduling windows, you'll get service at a time that's convenient for you.
Reliable People
Since we constantly train our employees, you can be 100% confident that your job will be done right—the first time.

Ready? Y'all Give Us a Ring! (512) 580-8837

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