Emergency HVAC Services in San Marcos
24/7 Emergency HVAC Solutions in San Antonio
If you're reading this, you're probably in need of emergency HVAC services. At Reliable Air, we understand how important it is to have a functioning heater or air conditioner at all times. Our technicians are available 24 hours a day, 7 days a week to get your system up and running as quickly as possible so you can get back to your normal life. Our lead technician has over 30 years of experience in the industry and is NATE certified to ensure you receive the highest quality of service.
What Qualifies as an HVAC Emergency?
There are a number of problems that can arise with your HVAC system that can cause it to break down unexpectedly. While we can't predict when these issues will happen, we can tell you that they always occur at the worst possible time. Whether it's a weekend, middle of the night, or even a holiday, you can always rely on our San Marcos emergency HVAC technicians to come to your rescue.
Some common emergencies we respond to are:
- Faulty thermostats
- Broken fans
- Clogged filters
- Faulty motors
- Frozen lines
- Burning smells
- Frozen lines
No matter what problem you're dealing with, you can always expect our technicians to arrive on time and diagnose the problem as quickly as possible. We'll explain everything that's wrong with your system and let you know exactly how much it will cost to get it up and running again. Once you approve the estimate, we'll get to work repairing your HVAC system so you can get back to your life.
We offer a range of services including:
- Air conditioning repair
- Air conditioning installation
- Air conditioning replacement
- Air conditioning maintenance
- Heater repair
- Heater installation
- Heater replacement
We're committed to providing you with the best service in San Marcos, so you know you can always count on us to get the job done right the first time. Our technicians are always on time, clean, and courteous to ensure you receive the best possible experience. Contact us for your emergency HVAC needs today!

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"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 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. -
"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. -
"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. -
"Reliable Air is dependable and trustworthy."
JW came out on time and did a good job of tuning up my heat pump.- Joe V. -
"These guys went above and beyond to help me."
They walked us through each issue and had us up and running inside of 2 hours. Amazing.- Emily H. -
"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. -
"The installation came with a 10 year parts and maintenance, so this is all being done free of charge."
We used them to install a brand new a/c unit about 4 years ago and just had our first issue with it this week. I called yesterday, and they had someone out first thing this morning to fix it.- Dave N.
Why Choose Reliable Air for Emergency HVAC Services
When it comes to emergency HVAC services, you need a company you can trust to respond quickly and efficiently. At Reliable Air, we understand the urgency of HVAC emergencies and are committed to providing 24/7 emergency service to our customers in San Marcos and San Antonio. Our team of experienced technicians is equipped to handle any HVAC emergency, from sudden system breakdowns to urgent repairs.
When you choose Reliable Air for emergency HVAC services, you can expect:
- Rapid response times, day or night
- Experienced and certified technicians
- Quality repairs using genuine parts
- Transparent pricing and no hidden fees
- Peace of mind knowing your HVAC emergency is in capable hands
Don't let an HVAC emergency disrupt your comfort and safety. Contact Reliable Air for reliable and prompt emergency HVAC services.
Call (512) 580-8837or contact us online to schedule an appointment with our San Marcos emergency HVAC technicians today!

Commonly Asked Questions

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.