Tankless Water Heaters in League City, TX

Thinking about upgrading to a tankless water heater in League City? Red One Plumbing installs, repairs, and flushes tankless units for homes of all sizes.

Service Details

Upgrade to Tankless in League City — Here’s Why

Tired of running out of hot water? A tankless water heater gives you on-demand, endless hot water with better energy efficiency and space-saving design. We install and maintain high-efficiency tankless units throughout League City.

Call 832-281-4022 or schedule online to request a quote on tankless installation today.

Benefits of a Tankless Water Heater

  • ✅ Endless hot water — never run out again
  • ✅ Saves space compared to bulky tanks
  • ✅ Lasts up to 20 years with proper maintenance
  • ✅ More energy-efficient = lower utility bills
  • ✅ Ideal for large families or high-demand households

Whether it’s Navien, Rinnai, Rheem, or another brand, we’ve got you covered.

Our Tankless Services in League City

  • New Installations: We size and install tankless units to match your home and usage.
  • Tankless Replacements: Swap out your old water heater with a high-efficiency upgrade.
  • Flushing & Maintenance: We flush and descale systems to extend lifespan.
  • Troubleshooting & Repairs: Error codes? No hot water? We’ll fix it fast.

We also provide code-compliant installation with proper venting and gas line sizing.

How to Maintain a Tankless Water Heater

Protect your investment with these maintenance tips:

  • Flush the system once per year (we do this for you!)
  • Install a water softener if you have hard water
  • Clean filters and check for scale buildup
  • Schedule annual inspections

Ask us about our maintenance plans for League City homeowners.

Why Choose Red One Plumbing for Tankless?

  • Local pros with tankless-specific training
  • 5-star rated across League City & Houston
  • Honest pricing and clean installations
  • Fast response when repairs are needed

We’ll help you pick the right unit, size it correctly, and install it safely — no guesswork.

Book Your Tankless Water Heater Service Today

Ready for endless hot water in League City? We’re ready to help.

Call 832-281-4022 or schedule your estimate to upgrade to a tankless water heater.

Need other services too? Visit our League City Plumbers page to explore drains, leaks, sewer lines, and more.

Red One Plumbing — Tankless water heater experts trusted across League City, TX.
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