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Top-Rated Water heater repair or service pros in Duarte - Updated Nov 2026

Avatar for Western Rooter & Plumbing
Western Rooter & Plumbing
4.8(
172
)
Water Heater - Repair or Service

Serving Duarte, CA and surrounding areas

Approved

In business since 1981

Free estimates

Emergency services offered

"I had my tankless water heater serviced by Daniel W. Daniel was throughly professional during his entire visit. I would highly recommend Wester Rooter for all of your plumbing needs."
Ruben installs a new drainage system under a customers home. Working in a crawl space is rough, but we do what is needed.
Backing up? Got roots? Blast those roots out with a Hydro Jetter! We use a wart hog nozzle that combines controlled rotation with a unique 8 jet cutting configuration optimized for removing roots. It’s better with a jetter! Call us! We got this! ??
Sewer Line Camera
No drain clog too big or small, Western Rooter covers them all!
Justin clearing a Kitchen sink back-up after the Memorial holiday.
HALO 5 whole house water filtration system.

+542

Response time12 hrs
Response rate100%
5 neighbors recently requested a quote
Avatar for Payless Water Heaters & Plumbing
Payless Water Heaters & Plumbing
4.2(
132
)
Water Heater - Repair or Service

Serving Duarte, CA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Did a $59 consult only. Turned out the cost of repairing the old heater was almost as much as a new one, so we got a new one, and handled the install ourselves. Luis B was great, knowledgeable, friendly, didn't try to upcharge just to sell a heater, which we appreciated. Gave us an honest evaluation, several options, and was right on time. I will say, though, that the company failed to call me when he was on his way... not a big deal. All in all a good experience."
New Tankless Water Heater Installation
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+19

Response time8 hrs
Response rate100%
Recommended by73%of homeowners
Avatar for Alpine Plumbing, Heating, and Air
Alpine Plumbing, Heating, and Air
4.7(
36
)
Water Heater - Repair or Service

Serving Duarte, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"Mike was great! He was friendly and knowledgeable. He let me know all the options for replacing my water heater and did the work quickly and neatly. Will definitely be calling him again!"
Plumbing - Drain Cleaning Project
Sewer cleaned of roots and ready for lining
Prepping pipe for lining by removing massive roots
Mixing resin for liners, this resin gardens to create a solid pipe
Sewer robot in the pipe

+26

Response time9 hrs
9 neighbors recently requested a quote
Recommended by67%of homeowners
Avatar for So-Cal Plumbing & Rooter
So-Cal Plumbing & Rooter
4.7(
235
)
Water Heater - Repair or Service

Serving Duarte, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1998

Free estimates

Emergency services offered

"Alex and Mauricio were on time, very polite and professional and did a fantastic job installing a tankless water heater. The service was excellent and I will certainly hire them again !"
One of our truckers
Our Jetter
Wotking hard for our clients
New Drainage Completed
New Clean-out Patch

+4

Response time4 hrs
Response rate95%
85 neighbors recently requested a quote
Avatar for Sweetwater Plumbing Industries, Inc.
Sweetwater Plumbing Industries, Inc.
4.0(
620
)
Water Heater - Repair or Service

Serving Duarte, CA and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Technician Ruben was able to spot where the issue with the water heater and he also able to fix it right away. I have asked 3 other plumbing company for bid they all recommend to replace the water heater. So Sweetwater literally saved me thousands!! Thank you!"
Water Heater Installation
Plumbing Services
Water Heater
Plumbing Services
On Time Service

+36

Response time3 hrs
20 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Ace’s Plumbing Services
Ace’s Plumbing Services
5.0(
20
)
Water Heater - Repair or Service

Serving Duarte, CA and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"We’ve used this plumbing company multiple times across several properties and have always had a great experience. Extremely knowledgeable, professional, and quick to respond whenever we need service. It’s hard to find honest plumbers with real experience, and these guys definitely know what they’re doing. Every job has been handled efficiently and with great attention to detail. Communication is always excellent, pricing is fair, and they consistently deliver quality work. We truly appreciate having someone reliable we can count on for our properties. Highly recommend to anyone looking for a dependable and experienced plumber. Five stars all the way."
Water Heater Installation
Valve/Regulator
Tankless Heater
Copper Spot Repair
Automatic Shutoff

+2

Avatar for Accurate Electric, Plumbing, Heating and Air
Accurate Electric, Plumbing, Heating and Air
4.5(
15
)
Water Heater - Repair or Service

Serving Duarte, CA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Accurate Electrical Services contacted us right away and scheduled our appointment quickly. The electrician showed up on time, was clean, knowledgeable and efficiend. We are keeping their number should we need any electrical work in the future."
Jeff Seale - Owner
Albert Aragon - Dispatch
Cheri Fortner - Operations Manager
Dan Hartman - Journeyman Plumber
Eric Bribiesca - Comfort Advisor

+24

58 neighbors recently requested a quote
Recommended by69%of homeowners
Avatar for Walter's Good Plumbing, LLC
Walter's Good Plumbing, LLC
5.0(
3
)
Water Heater - Repair or Service

Serving Duarte, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"â I recently had the pleasure of working with Garrett from Walterâ s Plumbing on multiple occasions, and I must say, his service has been nothing short of exceptional. Garrett has a unique blend of professionalism and personability that makes every plumbing task seem effortless. When my kitchenâ s dish disposal unit malfunctioned, Garrett was quick to diagnose and fix the issue, showcasing his in-depth knowledge and expertise in plumbing systems. His work didnâ t just stop at repairs; he also expertly installed a new air vent for my dryer, ensuring everything was up to code and functioning efficiently. In addition to plumbing, Garrett proved his versatility by changing out the lights and fixing the fan in my office. These tasks, although not typical for a plumber, were handled with the same diligence and attention to detail as his primary trade. Most impressively, Garrett installed a new water meter for my sprinkler system. This task, essential for my lawn care, was completed with precision and understanding of my specific needs. Throughout the process, Garrett was patient, taking the time to explain each step and ensuring I was comfortable and informed. What truly sets Garrett apart is his trustworthiness. In every job he undertook, he demonstrated integrity and a strong work ethic, making sure that the work was not just completed, but done right. In conclusion, Garrett is an exemplary plumber who goes above and beyond. His helpfulness, diligence, understanding, patience, knowledge, and personable nature make him a standout professional. I highly recommend Garrett from Walterâ s Plumbing for any plumbing needs; heâ s truly a master of his craft.â"
Install
Noritz Tankless
Electric water heater
Tank Water heaters
40k BTU 50 Gallon

+1

Response time2 hrs
Recommended by100%of homeowners
Avatar for Merry Plumbing
Merry Plumbing
5.0(
6
)
Water Heater - Repair or Service

Serving Duarte, CA and surrounding areas

Approved (Corporate)

In business since 1946

Free estimates

Credit card accepted

At Merry San Marino Plumbing, we've provided plumbing services with a "get the job done right the first time" attitude since 1946. We believe one of the keys to customer satisfaction is long-lasting quality, and that means making sure our solutions not only fix the issue but keep it fixed for a long time to come. This philosophy has earned us a trusted reputation for reliability and exceptional value that we’re eager to uphold with every customer.

3 neighbors recently requested a quote
Avatar for Faith Plumbing
Faith Plumbing
5.0(
5
)
Water Heater - Repair or Service

Serving Duarte, CA and surrounding areas

Approved

Emergency services offered

Warranties offered

Small jobs welcome

"George was very knowledgeable and informative. He taught me what was going wrong and how to figure out the source of the issues. He helped me pick out a water heater that worked for my house and my budget. Furthermore, he really worked with me and gave me a very fair quote. When he came to replace my water heater, we had some other issues that helped us out with right then and there. Happy to be supporting a family-owned company."
Pressure regulator
2 neighbors recently requested a quote
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FAQs for water heater repair or service projects in Duarte, CA

Warning signs include fluctuating water temperatures, a pilot light that repeatedly goes out, unusual noises from the tank, or complete heating failure. You might also detect a rotten egg smell, indicating a potential gas leak, or notice water that never reaches the proper temperature. If your water heater is over eight years old and displaying these symptoms, the gas valve is a likely culprit. Professional inspection is recommended, especially if gas odors are present.

Water heater gas valves are not universally interchangeable. Each valve must match your specific water heater's make, model, and specifications. Important compatibility factors include gas type (natural gas vs. propane), BTU rating, connection types, and physical dimensions. Using an incorrect valve can result in poor performance, premature failure, or dangerous gas leaks. Always consult your water heater's documentation or a professional plumber to identify the appropriate replacement valve for your unit.

The Duarte, CA homeowners’ guide to water heater repair or services

From average costs to expert advice, get all the answers you need to get your job done.