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

Avatar for Payless Water Heaters & Plumbing
Payless Water Heaters & Plumbing
4.2(
132
)
Water Heater - Repair or Service

Serving Guasti, 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 Guasti, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"I Called to get an in person quote for a tankless water heater flush and left this job with a whole house filter and a fridge connection. When Michael first arrived we inspected the tankless unit and tested the water to conclude flushing was not my best option. He then walked me through my options for home filters and we decided on a Halo system. Michael was very well educated on the subject and gave me the best value filter for my needs. He installed the unit the next day in less than a few hours and left me with a flawless work of art. I couldn't be more impressed with the professionalism he brings to this trade! I also requested to hook up a fridge and he did that in what seemed like 30 minutes. He will be the only plumber I call from now on!! Thank you Michael!!!"
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
7 neighbors recently requested a quote
Recommended by67%of homeowners
Avatar for Ace’s Plumbing Services
Ace’s Plumbing Services
5.0(
20
)
Water Heater - Repair or Service

Serving Guasti, 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 Utility Plumbing Services, Inc.
Utility Plumbing Services, Inc.
5.0(
5
)
Water Heater - Repair or Service

Serving Guasti, CA and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

We are a trusted plumbing company dedicated to delivering top quality workmanship, exceptional customer service and reliable solutions for every home. Our highly skilled and professional technicians take great pride in their craft ensuring every job is completed with accuracy, care and respect for your property. \n\nWhether you have a routine service or an urgent repair, we are committed to providing dependable honest and long lasting plumbing solutions you can count on. \nOur desire is to create lasting relationships with clients for years to come. \n\nCheck us out on Instagram, Facebook, TikTok or our website utilityplumbingservices.com

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+1

Response time6 hrs
Response rate94%
42 neighbors recently requested a quote
Avatar for Larry Dean Viseur
Larry Dean Viseur
5.0(
14
)
Water Heater - Repair or Service

Serving Guasti, CA and surrounding areas

Approved

In business since 1991

Free estimates

"All of my experiences with this professional have been Exceptional. Every job has been completed as promised and well done. Customer service and honesty is a priority of this Professional. I have hired them many times and will continue to use this Contractors services."
Plumbing
Plumbing
Plumbing
Plumbing
Plumbing

+1

1 neighbors recently requested a quote
Avatar for Cruz Plumbing and Rooter Services
Cruz Plumbing and Rooter Services
4.5(
15
)
Water Heater - Repair or Service

Serving Guasti, CA and surrounding areas

Approved

In business since 2002

Free estimates

Warranties offered

"Very Professional and knowledgeable with plumbing. Mr Cruz provided quick service and understood why we wanted this project done quickly to facilitate my mother's handicap situation. Hoping to give him more business in the future. Thank You"
Water Main replacement
Complete Sewer Replacement
Response time1 day
Recommended by100%of homeowners
Avatar for Ecko Plumbing
Ecko Plumbing
5.0(
2
)
Water Heater - Repair or Service

Serving Guasti, CA and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

I pride myself on my professionalism, as well as my ability to complete every job to the homeowner's total satisfaction. I never leave a job unfinished, or a homeowner not 100% satisfied with my level of service - Call today! \n

Wax ring replacement
New cartridge and toilet
No closet flange
New closet ring and wood screws
New vanity

+28

Response time3 days
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Service Champions Plumbing, Heating & AC
Service Champions Plumbing, Heating & AC
New to Angi
Water Heater - Repair or Service

Serving Guasti, CA and surrounding areas

Approved

In business since 2000

Free estimates

Credit card accepted

Service Champions is Southern California's best residential plumbing, heating & air conditioning company. We service, repair, and install all kinds and brands of heaters and air conditioners along with drain clearing. We have been serving Orange County, Los Angeles County, Riverside County, and San Bernardino County since 2000 with thousands of happy customers.

HVAC System Install
AC Tune-Up
Heat Pump Install
Furnace Repair
Drain Clearing

+14

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FAQs for water heater repair or service projects in Guasti, 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 Guasti, 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.