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Professional Tankless Water Heater Replacement in Fullerton, California - Continuous Hot Water On Demand

Save space, energy, and money with a durable, high-efficiency tankless water heater built to last

Elder & Young Plumbing

Elder & Young Plumbing

Frustrated by inconsistent hot water or sudden temperature drops?. Your current tank heater could be leaking, wasting energy, or driving up your utility bills. Upgrade today to a tankless water heater and experience nonstop comfort and efficiency.

Elder & Young Plumbing provides expert tankless water heater replacement and installation throughout Fullerton, California. Our licensed professionals install high-quality systems from trusted brands like Rinnai, Navien, Noritz, and Takagi.

With tankless water heaters, you’ll enjoy continuous hot water on demand and improved efficiency that can reduce your utility costs significantly. They save space, reduce maintenance needs, and outlast traditional tank-style heaters by years.

From replacements to new installations, our team handles everything quickly, cleanly, and with guaranteed results.

Call (714) 464-7889 or Book Online now for a free estimate and expert installation.

What’s Driving Fullerton Homeowners to Switch to Tankless Water Heating

Smart design, reliable comfort, and lower energy costs for years to come

Tankless water heaters are more than a luxury, they’re a smart investment. Instead of storing and constantly reheating water like a tank model, tankless water heaters work on demand for maximum efficiency.

Here’s what makes tankless water heaters the preferred upgrade for today’s homes.

  • Endless Hot Water – Hot water on demand, no matter how many showers or loads of laundry you run
  • Energy Efficiency – Stop wasting energy reheating water all day and start saving immediately
  • Compact Design – Compact design fits tight spaces and adds valuable storage room
  • Long Lifespan – Lasts 20 years or more with proper care and maintenance
  • Clean, Fresh Water – Tankless systems eliminate stagnant water and mineral buildup
  • Green Performance – Eco-friendly technology that’s better for your home and the environment

If your old water heater is leaking or inefficient, we can replace it with a modern tankless model designed for your household needs.

Looking for a regular tank water heater? Our team handles those, too.

Current Special Offers

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Water Heater Repair and Replacement

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Water Heater Repair and Replacement

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$75 OFF Tankless Water Heater Installation

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Reach out to us at (714) 464-7889 now to schedule your Copper Repipe in Fullerton, California. We'll be out to help quickly!

Discover the key indicators it’s time to upgrade and the benefits that start on day one

It may be time to replace or upgrade your tankless water heater if you’re experiencing.

  • Uneven or unreliable water temperature from room to room
  • Leaks around your existing unit
  • Your traditional tank water heater is over a decade old
  • Slow hot water delivery or limited capacity
  • Rising gas or electric bills
  • Expanding your home and need more hot water capacity
  • You’re ready to switch from inefficient tank systems

Our installation experts will inspect your plumbing, gas, and venting systems to ensure a safe and code-compliant installation.

We’ll also help you choose the right unit size for your household’s hot water needs.

Once installed, we fully test the system, fine-tune performance, and teach you how to use it for maximum efficiency.

From now on, you’ll have consistent hot water whenever you need it, with zero stress or wasted energy.

Frequently Asked Questions

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Our Hot Water Guarantee

Your tankless water heater will be installed or replaced to the highest standard, tested for perfect operation, and guaranteed to function properly. If your new system fails due to our workmanship, we will return promptly, fix the issue, and cover all labor and materials at our expense during our workmanship warranty period. No cold showers, no hidden costs - just reliable, efficient hot water you can trust.

Reach out to us at (714) 464-7889 now to schedule your Copper Repipe in Fullerton, California. We'll be out to help quickly!

CUSTOMER RATINGS & REVIEWS

Don't take our word for it. Here are some recent reviews shared by satisfied customers. After we help you, we'd love to get a rating and review from you and add you to this list!

Chårlene Låsiter

Chårlene Låsiter

Garden Grove, CA

"Eric is a very hard worker. He's honest, efficient and clean. Most importantly, he handled our plumbing projects and made sure the job is done right. GREAT MAN!"

john_kirker

John Kirker

Tustin, CA

"I highly recommend Elder & Young Plumbing as my top rated choice. We punctured a pipe during a remodel. E&Y was out in a jiffy to solve the problem so that we could continue our project."

tyler_w

Tyler W.

Newport Beach, CA

"A pleasure to find a friendly professional that has your safety and well being in mind for the water heater.  Advises what needs attention and what can wait!"

How can we help you get the job done right?

We love helping our clients and we're here to help you with your plumbing needs, 24/7. We want to be there for all of your plumbing problems no matter what time it is! We know that everyone deserves peace of mind when they call someone in for work around their home or business property so don't hesitate any longer before picking up the phone and giving us a call - let's get started right away!