Tank Water Heater Installations in San Marcos, TX

Reliable Tank Water Heater Installations for Over 25 Years

  • Reliable people—Our water heater replacement specialists are licensed, insured, and trained to install most tank water heater models.
  • Reliable financing— High credit score? Low credit score? We can help people with either!
  • 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.

Cost of a tank water heater installation in San Marcos, TX

Low Price:$1,050
Average Price:$2,220
High Price:$4500+

Want an accurate install price?

Contact us for an in-home estimate (it's free).

Service Area

Reliable Air Texas
How It works

How we work in 5 easy steps

  1. We lock in your appointment time

    Schedule an in-home estimate online or call us at 512–396–8183. We schedule service in 2-hour windows, so you'll know when we'll arrive.

  2. We will notify you before we arrive

    Thirty minutes before your plumber arrives, you'll receive a call confirming their arrival. No need to wait around the house all day!

  3. We give you an upfront price

    You'll never be in the dark about pricing when installing your water heater with Reliable Air. We'll introduce you to various tank water heater options and provide pricing for each. You'll know exactly what system you're getting and the price you're getting it for.

  4. We install your new system

    Our plumbers are highly trained and tend to finish most water heater installations in just a few hours. We also test your new system and clean everything up before we leave.

  5. We make sure you're satisfied

    We don't dine and dash. After the installation, we call to get you're feedback so we can ensure you're 100% satisfied.

How we work
Customer Reviews

See water heater installation reviews from homeowners in San Marcos, TX and the surrounding areas

4 stars on Yelp
4.8 stars on Google

"Very professional...I highly recommend them!"

"The guys were very professional. I was expecting them to come between 2-4pm, and they actually came sooner. The guys did a great job with hardly any mess whatsoever! I highly recommend them!"


"Personable and completed the job without delay."

"Technician JW called ahead of arrival and was on time. JW quickly IDed the problem and explained what was happening and what needed to be done. He was personable and completed the job without delay."


Our 100% satisfaction guarantee

We do whatever it takes to make you happy (like, a 3-day weekend happy). So, if you have any issues with your new water heater, we'll make it right—even if that means giving you your money back.

Reliable Air Van

Ready? Y'all give us a ring!