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Tankless Water Heater Repair Services in San Marcos, TX

Has your tankless water heater suddenly stopped working? Are you experiencing lukewarm water, or see water dripping from your unit? Whatever the issue, Reliable Air has you covered. Our team of highly-trained plumbers can fix any issue, big or small, with expert quality workmanship.

Some plumbing companies cut corners to save time– but not us. We value doing the right thing, and that means providing reliable repairs done right the first time. Rest assured you’ll never pay for repeat labor ‘round here!

Call us for tankless water heater repairs in San Marcos and you'll get:

  • Reliable expertise— Our plumbers go through ongoing training to stay up to date on the latest advances, techniques, and industry changes. You can sleep easy knowing all work is completed safely and accurately.
  • Reliable scheduling— We’re here to accommodate your busy schedule, not the other way around. To make it easy to book repairs, we offer same-day service and convenient 2-hour scheduling windows.
  • Reliable staff— Our company has a tight-knit culture with strong values. No matter what
    technician is assigned to your job, you can trust they’ll have a good attitude and provide service with a smile.
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  • "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.
  • "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.
  • "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.
  • "Reliable Air is dependable and trustworthy."
    JW came out on time and did a good job of tuning up my heat pump.
    - Joe V.
  • "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.
  • "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.
  • "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.
  • "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.

Signs You Need a Tankless Water Repair

See any of the below symptoms? You probably need a tankless water heater repair.

  • No hot water
  • Lukewarm water
  • Inconsistent water temperatures
  • Strange noises or smells
  • Error codes
  • Water leaks

Want a free quote on the cost to repair your tankless water heater? We can do a preliminary inspection and then give you a free exact quote on the cost to repair
your tankless water heater.

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 29 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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