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

Upgrade your home with a high-efficiency tankless water heater that delivers unlimited hot water, saves energy, and lasts for decades

IgnitionLabs Plumbing Sites

IgnitionLabs Plumbing Sites

Nothing’s worse than running out of hot water when you need it most – especially in your own home. Or maybe your old tank water heater is leaking, inefficient, or costing you too much to run. Upgrade today to a tankless water heater and experience nonstop comfort and efficiency.

IgnitionLabs Plumbing Sites provides expert tankless water heater replacement and installation throughout Los Alamitos, California. Our licensed professionals install high-quality systems from trusted brands like Rinnai, Navien, Noritz, and Takagi.

Unlike old tank models, tankless systems only heat water as you use it, providing unlimited hot water while cutting energy bills by up to 30%. Tankless systems are compact, low-maintenance, and built to last almost twice as long as standard tank units.

Whether you’re replacing an old system or upgrading for better efficiency, we make the process simple, fast, and guaranteed.

Call (xxx) xxx-xxxx or Book Online now for a free estimate and expert installation.

Why Tankless Water Heaters Are Becoming the Top Choice for Homeowners in Los Alamitos

Better technology, endless comfort, and real long-term value

Tankless systems go beyond convenience – they’re a modern, cost-efficient way to heat water. Old-style tank heaters waste energy by reheating stored water, while tankless systems heat water instantly as you use it.

Why so many homeowners are choosing to install or replace their old units with tankless systems.

  • Unlimited Hot Water – Hot water on demand, no matter how many showers or loads of laundry you run
  • Energy Efficiency – Save money by heating water only when needed
  • Space Saving – Free up space with a wall-mounted tankless system
  • Longevity – Get decades of dependable performance from your tankless system
  • Better-Tasting Hot Water – No standing water or sediment buildup sitting in a tank
  • Green Performance – Eco-friendly technology that’s better for your home and the environment

Whether your current water heater is leaking, slow to heat, or simply outdated, our expert team can install a modern tankless system that fits your home perfectly.

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

Current Special Offers

SPECIAL OFFER:

CALL (xxx) xxx-xxxx

FREE


FREE Water Pressure Check

Get Offer Now!

Expires: Jan 22, 2026

SPECIAL OFFER:

CALL (xxx) xxx-xxxx

$50 OFF


$50 Off Plumbing Repairs Over $500

Get Offer Now!

Expires: Jan 22, 2026

SPECIAL OFFER:

CALL (xxx) xxx-xxxx

$25 OFF


$25 OFF Leak Detection

Get Offer Now!

Expires: Jan 22, 2026
Water Heater Repair and Replacement

SPECIAL OFFER:

CALL (xxx) xxx-xxxx

$50 OFF


$50 OFF Water Heater Installation/Replacement

Get Offer Now!

Expires: Jan 22, 2026
Water Heater Repair and Replacement

SPECIAL OFFER:

CALL (xxx) xxx-xxxx

$75 OFF


$75 OFF Tankless Water Heater Installation

Get Offer Now!

Expires: Jan 22, 2026

Reach out to us at (xxx) xxx-xxxx now to request your Copper Repipe in Los Alamitos, California. We'll be out to help quickly!

Learn the signs it’s time to upgrade and the instant advantages you’ll enjoy

Here are the common signs you might need a new tankless or upgraded water heater.

  • Uneven or unreliable water temperature from room to room
  • Leaks around your existing unit
  • Your traditional tank water heater is over a decade old
  • It takes too long for hot water to reach your faucets
  • Your energy costs are creeping higher each month
  • You’re remodeling or adding a bathroom
  • You’re upgrading from an outdated tank water heater to modern efficiency

Every installation begins with a full inspection of your home’s plumbing, gas, and vent systems to guarantee a safe, compliant fit.

We’ll guide you in selecting the perfect system to match your home’s size and demand.

When the new system is installed, we run full performance checks and make sure you know how to use it efficiently.

You’ll enjoy endless hot water and worry-free comfort every day.

Frequently Asked Questions

[su_spoiler title='Do you offer water treatment to protect my new unit' open='no' style='fancy']

Yes. Hard water is common in Orange County. We can add a scale reduction filter or softener to extend the life of your heat exchanger and maintain efficiency.

[/su_spoiler][su_spoiler title='How fast can you replace my tankless water heater' open='no' style='fancy']

In many cases we offer same day or next day replacement. Call (xxx) xxx-xxxx for current openings or Book Online to lock a time.

[/su_spoiler][su_spoiler title='What size tankless do I need' open='no' style='fancy']

We calculate flow rate and temperature rise based on your fixtures and usage patterns. The goal is simple – hot showers and laundry at the same time without dropouts.

[/su_spoiler][su_spoiler title='Do you replace tank models with tankless' open='no' style='fancy']

Yes. We convert from tank to tankless, upgrade gas lines if required, add proper venting, and handle permits and haul away.

[/su_spoiler][su_spoiler title='What brands do you install' open='no' style='fancy']

We service and replace most major brands – Navien, Noritz, Rinnai, Takagi, Rheem, AO Smith. We recommend models based on your home, water quality, and budget.

[/su_spoiler][su_spoiler title='How long does a replacement take' open='no' style='fancy']

Straight swaps can be completed in a few hours. Tank to tankless conversions often finish the same day, depending on venting path and gas line work.

[/su_spoiler]
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 (xxx) xxx-xxxx now to request your Copper Repipe in Los Alamitos, 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 IgnitionLabs Plumbing Sites 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!