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TRUSTED BY GILROY, CA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon58
    Verified water heater services reviews

Top-Rated Water heater pros in Gilroy - Updated Nov 2026

Avatar for Water Heaters Masters
Water Heaters Masters
4.9(
112
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Gilroy, CA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"I have what turned out to be a 30 year old water heater replaced by this great company and they did it the same day of the quote. The installer had the water heater I wanted on the truck and did an excellent job of putting in the new unit, cleaning up and even replacing copper flex tubing and installing a new overflow pipe out of copper as well, no additional cost. This company specializes in water heaters and couldn't do any additional work on supply lines and they clearly state that on their website. I didn't need that type of additional work."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+20

Response time9 hrs
Recommended by94%of homeowners
Avatar for DAE Plumbing, Inc.
DAE Plumbing, Inc.
5.0(
7
)
Water Heater - Install or ReplaceWater Heater - Install or Replace - For Business

Serving Gilroy, CA and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Dan arrived when he said he would installed my water heater as agreed and hauled off the old one. He was pleasant and thorough. I will be calling him again soon as I have another challenge that I believe he will be able to help me with. Thanks Dan"
3" Gas Line to Apartment Complex
Solar Water Heating System
Solar Water Heating System
New 4" Sewer Main connection
Side by Side Lav Sink

+9

Response time3 hrs
Response rate91%
Recommended by100%of homeowners
Avatar for Fantastic Rooter, Inc.
Fantastic Rooter, Inc.
4.5(
174
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Gilroy, CA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"I was blown away! When I explained the circumstances, this project was for my 78 year old mother whoâ d been going without hot water for a week. They bent over backwards to help! They worked with her limited budget and did an amazing job, despite my mistake with the size of the water heater. Jazmine at the office was kind, understanding and diligent in communication. Jamie was on time, patient and extremely hard working! I would highly recommend them!"
Outdoor Tankless w H
Before a Tankless install
After a Tankless install
Indoor Tankless & Repipe
Indoor Tankless W H

+1

Response time2 days
Recommended by96%of homeowners
Avatar for Jess Plumbing
Jess Plumbing
4.9(
50
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Gilroy, CA and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"I noticed my water heater leaking late in the evening (Saturday night), and Sunday morning I reached out to Angie's List for a water heater replacement. I set my expectations that it probably wouldn't be attended to until the work week, but Jesus for Jess Plumbing responded within minutes. Checking with some of the big box stores, Jesus had extremely reasonable pricing that included the purchase of the water heater, labor for removing/installing, and hauling away the old one. After confirming pricing, he was at my home with the new water heater in hand within the hour. Once he arrived, he had a very warm and open attitude as he broke down all the steps that we'd be going through. he was very knowledgeable with the alternate methods of electric or tankless, and gave the pros/cons should I decide for an upgrade in the future. Throughout the install, I enjoyed our conversation very much and he didn't mind that I hung out in the garage while working on other projects. He moved with the intention that only comes with years of experience, deliberate and precise. When we had to shut off the water he communicated that ahead of time knowing that my family could possibly have a need to access it. Overall the whole process went incredibly smooth and would not hesitate to hire him again or to recommend him to a friend."
Plumbing Project
Plumbing Project
Plumbing Project /water main
Old gate valve/ doesn’t shut off water
Installed new Zoeller sewer tank lid

+178

Response time1 day
Response rate100%
Recommended by93%of homeowners
Avatar for Mike Counsil Plumbing and Rooter
Mike Counsil Plumbing and Rooter
4.0(
331
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Gilroy, CA and surrounding areas

Approved (Corporate)

In business since 1994

Emergency services offered

Warranties offered

"All went great they rehung the sewer pipes under the house. Replaced the damage sewer pipe. Installed a new fresh water pipe from the water meter to the house installed a pressure regulator and a back flow on the hot water heater. Pached all the holes and even one the didn’t cause"
Preparing a safe environment for working on a sewer line replacement.
Water heater installation with expansion tank
Additional Photos
Additional Photos
Additional Photos

+28

Response time8 hrs
Response rate100%
Recommended by81%of homeowners
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Showing 1-10 of 144
Water Heaters FAQs, answered by experts

When the water expands in a hot water heater, it puts pressure on your hot water pipes and can cause leaks or a rupture in the hot water tank under certain conditions. Pipes or water heaters may split due to the pressure where there is a backflow preventer that prevents the hot water heater from diffusing pressure by releasing water back to the public water line.

In these scenarios, a hot water heater expansion tank provides a place for the hot water heater to relieve pressure and prevent bursts and leaks.

Traditional gas or electric water heaters last an average of six to 11 years. However, with excellent maintenance, they can last up to 15 years. Heat pump water heaters, on the other hand, last an average of between 12 and 15 years and potentially longer with proper maintenance. In both cases, your home's water quality can be a determining factor regarding the lifespan of your water heater.

Installing a water heater without a permit can result in high fines—as much as hundreds of dollars per day, in some areas. It can also void your homeowners' insurance and cause problems when selling your home because it violates local building codes and safety regulations.

Yes, you can convert a gas water heater to an electric one, but it is a complex process. You will need to ensure there is adequate power for the new electric unit, as they require more power than gas models. The project also involves safely closing off the gas lines and ventilation, and some cities may require a permit for the conversion. The cost can range from $1,500 to $4,100, depending on the installation scope, plumbing and electrical work, and the water heater model. For an accurate quote, it's best to contact a local professional. Also, be aware that your monthly utility bills may increase after the conversion, as natural gas is typically cheaper than electricity.

The standard copper wire gauge to use with any 30-amp circuit is a 10-gauge wire. The National Electric Code specifies a 10-gauge wire with appliances like water heaters running on 30 amps. If you try to use a smaller gauge wire, such as a 12 gauge, with a 30-amp breaker, you run the risk of the wire overheating and melting or causing a fire. Because of the safety hazards, the gauge of the wire is not an area to try to cut costs when connecting a 30-amp breaker to a water heater.

The Gilroy, CA homeowners’ guide to water heater services

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