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Upgrading to Tankless Water Heaters: Benefits and Installation Best Practices

Tankless Water Heater

At Dailey Company, Inc., we help Houston homeowners upgrade from traditional tank-style water heaters to modern tankless systems. Tankless water heaters deliver endless hot water, save space, and can reduce energy costs — but proper installation and choosing the right system are key to long-term performance.

Recently, our team completed an installation featuring a Navien NPE-240A2, one of the most trusted tankless water heaters on the market. The customer wanted to upgrade from their old tank system and add a commercial-style ice maker in their garage. By completing both projects together, we saved them time and money while ensuring a professional installation built to last.

Why Homeowners Choose Tankless Water Heaters

  • Instant Hot Water: Systems like the Navien NPE-240A2 feature built-in buffer tanks that eliminate the “cold-water sandwich” effect.
  • Recirculation Options: Navien includes an integrated recirculation pump so you won’t have to wait for hot water to reach your shower.
  • Flexible Venting: Many tankless models allow for standard PVC venting in multiple configurations, lowering installation costs and avoiding unnecessary roof penetrations.
  • Long-Term Protection: Navien’s 15-year heat exchanger warranty far exceeds the standard for tank-style water heaters.
  • Energy Efficiency: On-demand heating reduces standby energy loss, saving you money.

What Sets a Professional Tankless Installation Apart

A quality installation makes all the difference for safety, performance, and longevity. At Dailey Company, Inc., we follow best practices for every tankless water heater installation in Houston — including this recent Navien NPE-240A2 project.

For this job, we:

  • Dropped water lines inside the wall and added a fire-resistant panel backing (FRP) for safety and a clean finish.
  • Installed a tankless-specific drain pan to protect surrounding areas from leaks or drips.
  • Added a thermal expansion tank or valve to prevent plumbing damage from pressure fluctuations.
  • Included a condensate neutralizer filter to protect your pipes and the environment.

These careful steps are why our installations deliver reliable performance for years.

After-Hours Service from Certified Houston Plumbers

We know plumbing issues don’t always happen during regular business hours. That’s why Dailey Company, Inc. offers after-hours service for tankless water heater installations and repairs in Houston. Our certified plumbers carry full parts kits for major brands like Navien so we can complete most repairs and installations with minimal downtime.

Whether you’re installing a new tankless system or replacing an old one, Dailey Company, Inc.’s experienced team will ensure your home gets fast, reliable service — even after hours.

Ready to Upgrade to Tankless?

If you’re ready to experience the benefits of a tankless water heater, trust the Houston plumbers at Dailey Company, Inc.. We specialize in tankless installation, maintenance, and repair — and we’re available when you need us, including evenings and weekends.

Contact us today to schedule your tankless water heater installation in Houston, Austin, Round Rock, or Bryan–College Station.