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Expert Plumbing Solutions for Southern California
Tankless Water Heaters
Rootersolutions
4.8951 Google reviews
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Douglas Young
0 days ago
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Roland, Cesar and Jarod did a wonderful job quickly resolving our waste line issues. The personable young men were courteous, efficient, and eager to solve the problems promptly. They took care in protecting our property on a rainy day that required efforts both outside our home as well as in a dirt floor underfloor crawlspace. We couldn't be more pleased with your field crew and the courteous office staff we arranged the work with as well. We can definitely recommend your thoroughly professional services. Doug and Margi San Jose Retirees
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Bob Pennings
1 days ago
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Great job done! Replaced toilet elbow and flange. Repaired ceiling.
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Mark Castle
2 days ago
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Replaced 4 angle stop valves. Fast, friendly and clean. Always going to use Rooter Solutions!
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Kenneth Peterson
2 days ago
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Great worker. Straight shooter.
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ida carillio
8 days ago
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The service was done in a timely manner. Adan did a great job with all the work needed to make everything all new again. They are the BEST!
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Terry
10 days ago
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I had an excellent experience with Rooter Solutions, notably Cesar and Hector who diagnosed the problem and had a team out to do the work within a business day. I am very pleased with the craftsmanship of the work. I would highly recommend them to anyone with small to large plumbing needs. Great job !
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Vihari Pola
12 days ago
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Hector did an excellent job resolving our bathroom drain blockage.
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Kevin Foust
12 days ago
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Their customer service, quality of work and professionalism are first class. The crew was fast and efficient and knowledgeable. Cesar and Fernando were easy to work with. Will be using them in future projects.
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Bill Kennedy
14 days ago
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Emergency repair of outside water piping was handled promptly and professionally. Polite, courteous and careful about restoring the landscaping.
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Jeff Spunt
14 days ago
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Excellent company to work with!
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Esselian Whitehouse
14 days ago
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The work was done about a week ago and it looks very good. However, i Need to wait few months to see if it stays clean.
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Jackie Taj
17 days ago
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They did a great job and in less time then I expected. They warn the home owner of all the dirt and dust left behind. Luckily I covered most of my furniture, but I had to wipe down every verticle and horizontal surface that was not covered, like my kitchen cabinets etc. I had to wash the floor three times today get all the dust up. They did the best they could. Very nice people.
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Oggie Kim
21 days ago
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Ernesto did a great job with the plumbing repair. Punctual and very professional.
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CV “CV64” 64
22 days ago
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Joshua was amazing! He was professional, resilient, and respectful of my property. He took the time to explain every step of the plumbing repair, which I truly appreciated. I highly recommend his services and will definitely request him for all my future plumbing needs! Mark
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Judith Ishkanian
22 days ago
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As always, fast, efficient service.
Fast, professional plumbing for homes and businesses throughout Santa Barbara, Ventura, and San Diego.
Plumbing Problem? Consider It Solved
Fast, professional plumbing service when you need it.

Tankless Water Heater Installation & Repair

Running out of hot water halfway through the second shower gets old fast. A traditional tank heats and reheats the same 40 or 50 gallons all day, using energy even when nobody’s home, and it takes up a big chunk of the garage or closet. When it starts to fail, many homeowners wonder whether another tank is really the best choice.

A tankless water heater heats water only when you turn on the tap, so it never runs out and doesn’t waste energy keeping a tank warm. Rooter Solutions installs and services tankless units for homes in San Diego, Santa Clara, Ventura, and Santa Barbara counties.

Tankless Water Heater Service From Rooter Solutions

Homeowners in San Diego and San Jose count on Rooter Solutions, a family-owned and locally operated plumber, for tankless water heater installation, repair, replacement, and maintenance. Our technicians work on any brand of tankless unit, whether it’s a new install or a system that isn’t keeping up.

A tankless upgrade often involves more than swapping one heater for another. Gas line sizing, venting, and electrical needs all change, and we’ll walk you through what your home requires before you commit.

Is a Tankless Water Heater Right for You?

Tankless units aren’t the right fit for every home, but they solve some common frustrations. These are the reasons homeowners most often make the switch.

  • Endless hot water: Back-to-back showers and a running dishwasher won’t drain the supply.
  • Lower standby energy use: The unit only fires when hot water is needed.
  • More floor space: A wall-mounted unit frees up room in a garage or closet.
  • Longer service life: Well-maintained tankless heaters often last 20 years, compared to 8 to 12 for a typical tank.
  • Less flood risk: There’s no large tank that can rupture and flood the house.

The main tradeoff is upfront cost. Tankless units and their installation usually cost more than a standard tank, though lower energy use and a longer lifespan offset part of that over time.

Installation, Repair, and Maintenance

We handle every stage of a tankless water heater’s life, from sizing the right unit to keeping it running for decades.

Tankless Installation

Sizing depends on how many fixtures run at once and how cold the incoming water is, not on gallons stored. Gas units often need a larger gas line and new venting, while electric units may need an upgraded electrical panel. Installation can take longer than a tank swap when those modifications are needed.

We’ll also help you place the unit so hot water reaches the farthest bathroom without a long wait. Mounting location affects venting options too, so it’s part of the plan from the start.

Tankless Repair and Maintenance

Common tankless problems include error codes, fluctuating water temperature, and units that shut off mid-shower. Many of these trace back to mineral scale on the heat exchanger. In San Diego, where the water is very hard, descaling once a year keeps a tankless unit running efficiently and protects its warranty.

Related Services

If you’d rather stay with a traditional tank, our water heater team handles repairs and replacements for standard units. Adding water filtration can slow the scale buildup that shortens a tankless heater’s life.

Why Choose Rooter Solutions for Tankless Water Heaters?

A tankless install is a long-term investment, so the installer matters. Here’s what you get with our team.

  • Any brand serviced: We repair and maintain tankless units from all major manufacturers.
  • Spread out the cost: Qualifying homeowners can finance a new tankless install interest-free for up to 24 months.
  • Yearly service through membership: Our maintenance program includes an annual water heater flush and priority scheduling.
  • Local technicians: Offices in San Diego, San Jose, and Ventura put help close by.

That same standard of service applies to every tankless job, from a first install to a 15-year-old unit that needs attention.

Upgrade to Tankless Hot Water

If your tank is aging or you’re tired of running out of hot water, it’s a good time to look at tankless. Our team will size the right unit and explain what your home needs. Request a tankless water heater quote online today.

Frequently Asked Questions

How much does tankless water heater installation cost?

The cost depends on the unit’s size and fuel type and on whether your home needs a larger gas line, new venting, or electrical upgrades. Replacing an existing tankless unit usually costs less than a first-time conversion. A free estimate after a look at your current setup will show what your conversion involves.

Do tankless water heaters work during a power outage?

Most gas tankless units need electricity to run their controls and fan, so they won’t heat water without power. Some homeowners add a small backup power source for this reason.

How often does a tankless water heater need maintenance?

Most manufacturers recommend descaling once a year. Homes with very hard water may need it more often to prevent error codes and lost efficiency.

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Written By Rooter Solutions

Expert Plumbing Solutions for Southern California

At Rooter Solutions, we’re driven by a mission to provide exceptional services at competitive rates. We believe that every home or business owner deserves quality work that lasts a lifetime. And we understand that budgets aren’t always ready to take on the full cost of expensive plumbing projects all at once. That’s why we offer convenient, no-interest financing plans to those with qualifying credit—with terms of up to 24 months!

Why Chhose Us?

The Rooter Solutions Difference

Coastal-Condition Expertise

Salt air corrodes fixtures, valves, and water lines faster than inland climates; we know which materials and finishes actually hold up along the coast.

Experts in Spanish-Style & Hillside Homes

Many homes in Southern California were built with older materials and layouts that require a different approach than standard tract housing.

30 years serving Southern California

Three decades of licensed, background-checked plumbers who understand local permitting across Santa Barbara, Ventura, and San Diego.