Thinking About Replacing Your Old Tank Water Heater? Here's Why the Navien 240A Tankless Water Heater Is Worth Considering

Steven Anderson • June 3, 2026

Say goodbye to cold showers and High Utility Bills With a Modern Tankless Upgrade

If your current water heater is over 10 years old, taking up valuable space in your garage, or constantly running out of hot water, it may be time to consider an upgrade. One of the most popular choices among homeowners today is the Navien 240A Tankless Water Heater.

Unlike traditional tank-style water heaters that store and continuously heat 40 to 75 gallons of water, the Navien 240A heats water only when you need it. The result is greater efficiency, unlimited hot water, and long-term savings.

Never Run Out of Hot Water Again

One of the biggest complaints homeowners have about conventional water heaters is running out of hot water. Whether it's back-to-back showers, laundry, or running the dishwasher, a tank can only hold so much hot water before it needs time to recover.

The Navien 240A provides hot water on demand. As long as there is water flowing, the unit continues heating it. That means no more cold showers and no more waiting for the tank to recover.

Lower Energy Bills

Traditional water heaters work around the clock, heating and reheating water even when nobody is using it. This standby heat loss wastes energy every day.

The Navien 240A only operates when hot water is needed, helping reduce energy consumption and lowering utility bills. Many homeowners notice the savings month after month.

More Space in Your Home

A bulky water heater tank can take up a large section of a garage, utility room, or closet. The Navien 240A mounts neatly on the wall, freeing up valuable floor space for storage or other uses.

Faster Hot Water at Your Fixtures

The Navien 240A includes a built-in recirculation system designed to reduce wait times for hot water. Instead of letting gallons of water run down the drain while waiting for hot water to arrive, homeowners enjoy quicker delivery and less wasted water.

Longer Lifespan

Most traditional tank water heaters last about 8-12 years before corrosion and sediment buildup begin causing problems.

A properly maintained Navien tankless water heater can often last 20 years or more, making it a smart long-term investment for your home.

Reduced Risk of Water Damage

A leaking tank water heater can release 40, 50, or even 75 gallons of water into your home, causing expensive damage to floors, walls, and belongings.

Since the Navien 240A doesn't store large amounts of water, the risk of catastrophic tank failure is significantly reduced.

Increase Your Home's Value

Energy-efficient upgrades are attractive to homebuyers. A professionally installed Navien tankless water heater can be a selling point that adds value and modern convenience to your home.

Is It Time to Upgrade?

If your water heater is:

  • Over 10 years old
  • Rusting or leaking
  • Running out of hot water
  • Increasing your energy bills
  • Taking up valuable space

Then now may be the perfect time to upgrade to a Navien 240A Tankless Water Heater.

At A SewerGuy Plumbing, we specialize in removing outdated tank water heaters and installing high-efficiency Navien tankless systems. We'll evaluate your home's hot water demands, perform a professional installation, and help you enjoy endless hot water for years to come.

Ready to Upgrade?

Call A SewerGuy Plumbing today at (530) 313-7923 to schedule your free estimate and learn whether a Navien tankless water heater is the right choice for your home.


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