Top-Rated Austin, TX, Tankless Water Heater Repair and Installation

For fast tankless water heater help in Austin, TX, call Christianson Air Conditioning and Plumbing at 512-246-5258. Our trusted plumbers offer straightforward pricing and 24/7 emergency service for urgent hot water issues.

Christianson Air Conditioning and Plumbing has been helping Austin, TX, homeowners enjoy reliable hot water since 1950. From Downtown and Hyde Park to South Congress and Cedar Park, our licensed technicians repair and install modern tankless systems—including Noritz and Rinnai tankless water heaters—that deliver instant hot water while saving space and energy. We also work with traditional brands like A.O. Smith water heaters, so we can advise you on both tank and tankless options.

With 24-hour emergency service for true plumbing emergencies, flexible financing options, and Maintenance Agreements through the Christianson Annual Maintenance Program, we make it easy to keep your home’s hot water system working the way it should.

For expert Water Heater Repair and Installation Services in the Austin area, Christianson Air Conditioning and Plumbing delivers prompt diagnostics, clear recommendations, and quality workmanship backed by decades of local experience.

Travis County Tankless Water Heater Repair Services

When your on‑demand water heater suddenly stops producing hot water, you feel it right away—whether you’re in a Barton Hills shower or rinsing dishes in a Zilker condo. Our tankless water heater repair team in Travis County is trained on today’s leading brands and models, including high‑efficiency Noritz tankless water heaters and Rinnai tankless water heaters, as well as other gas and electric units.

Common tankless problems we handle include:

  • No hot water or fluctuating temperatures
  • Error codes or flashing indicator lights
  • Low water pressure on the hot side
  • Burners failing to ignite or staying on too long
  • Mineral buildup restricting flow or heat transfer

Instead of just resetting your system and hoping for the best, our plumbers:

  • Inspect gas, electric, and venting connections
  • Check flow sensors, heat exchangers, and control boards
  • Test safety devices and combustion air paths
  • Verify that the unit is correctly sized for your home’s demand

We understand Austin homeowners want quick answers and no surprises. That’s why we use straightforward pricing and explain your tankless water heater repair options before any work begins. If a repair is cost-effective, we’ll complete it using quality parts and industry-best practices so you can enjoy reliable, instant hot water again.

For urgent situations—like a leaking unit in a Mueller townhome or a gas odor from a system in Westlake—our 24-hour emergency service is available for true emergencies, even nights and weekends.