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Furnace Repair in San Marcos, TX

Providing Reliable Furnace Repairs in Unreliable Times

As times get tough, other companies cut corners. But we decided to stay reliable—for over 25 years. Call us for your furnace repair and you'll get:

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

Understanding Furnace Repair Costs in San Marcos 

  • The service call charge: Most contractors charge a service fee to visit your home and diagnose the problem with your furnace. This fee ranges from $50 to $200.
  • What’s wrong with the furnace: Not all furnace repairs are equal—some require expensive replacement parts and more labor time, making them more expensive. 
  • Your furnace warranty: If your furnace is covered under warranty, you may not have to pay as much for your furnace repair.
  • From our San Marcos office, Reliable Air serves customers across Kyle, New Braunfels, Wimberly, and Hays County. With a bilingual team, we work with both the English and Spanish-speaking communities.

Call us at (512) 580-8837 or reach out here online to get a free estimate and schedule your furnace service today! 

  • "I highly recommend their service."
    Edgar explained in detail what he would be doing, along with the issue he found in terms that any home owner would understand.
    - Steve S.
  • "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.
  • "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.
  • "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
  • "So thankful they could help us today during this unseasonably hot time."
    Second time we've used Reliable Air. Andrew was on-time and professional.
    - Robert G.
  • "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.
  • "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.

Common Heat Pump Repairs

  • Replacing defective blower motor: $450 to $1,200+
  • Replacing bad control board: $300 to $400+
  • Repairing faulty ignitions: $100 to $300+
  • Fixing broken flame sensors: $100 to $250+
  • Repairing/replacing heat exchanger: $100 to $300+ for repairs, $1,200+ for full replacement

You can learn more about the cost to repair a furnace by reading our article, “How Much Does a Furnace Repair Cost in San Marcos?

Want an Accurate Repair Cost?

We can come to your home and find the problem for $99*.

*Diagnosis fee applies only to normal business hours (Monday–Friday: 7am–5pm). Diagnosis fee increases to $119 after normal business hours.

How Our Process Works

  1. Schedule Your Repair - We make it easy for you to schedule your duct repair service. Just give us a ring at (512) 580-8837 or use our online appointment scheduler. We offer 2-hour scheduling windows. We will send you a confirmation, so you’ll know when we’re arriving.
  2. Notify You Before We Arrive - Your service technician will call you when they’re 30 minutes out. This way, you won’t have to wait around, wondering when they’ll get there.
  3. Give You a Price - Prior to your service, your technician will inspect the areas that need repairing. They’ll also provide you with upfront and transparent pricing, so you never have to worry about receiving a surprise bill.
  4. Complete Our Work - Once you’ve signed off on the quote, your technician will get straight to work. They’ll also let you know how long the service will take, so you can have peace of mind about how long they’ll be working in your home.
  5. Make Sure You're Happy - No matter the job, each member of our team values efficiency and a job done right. To ensure that we lived up to your expectations, we’ll request feedback on our performance after the job is complete. We have a 100% satisfaction guarantee— and we mean it.

Contact Us

Why Choose Us?

As times get tough, other companies cut corners. But we decided to stay reliable for over 28 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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