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  • 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(
110
)
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

"Water Heater Masters were top-notch! I called on a Saturday afternoon - they were available 9am Sunday morning to come and inspect and quote. They only had one guy working that day, but scheduled me for Monday morning between 8 and 9. At 8:15am I got a call with an ETA of 8:45, which was a really nice touch! Despite telling me it would take an entire day to install, they were done by 1pm. They also found some creative ways to do the install to avoid drilling through my stucco (for the exhaust vent and for the condensate run-off). Very professional and clean-looking install. These guys may not always be the cheapest around, and they recommended a top-of-the-line heater (which is what I really wanted anyway), but I'd much rather pay a little extra for that level of service and support. Thank you!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+20

Response time9 hrs
Recommended by95%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

"We hired Fantastic Rooter to re-pipe my mother-in-law's house. They did a fantastic job - even the city inspector was praising Gerardo and his crew for their work. She also needed a new water heater and sink, and those were reasonable priced. The guy that replaced the sheetrock did a great job. You can't even tell the walls were ever cut into, he made them so smooth again. And they cleaned up well, too. I 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 Chandler's Plumbing
Chandler's Plumbing
4.3(
746
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceTankless Water Heater - Install+5 more

Serving Gilroy, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Free estimates

Emergency services offered

"We had a water heater break down during the holiday break. Chandler and his crew were able to respond and replace the water heater asap. Chandler explained that we had a large capacity water heater - 75 gallons and it would be more expensive, but we found their quote was very reasonable. They came and replaced the water heater and were very professional. I would highly recommend them and would gladly use them again. Thank you Chandler for such prompt service and great work!"
Sewer Line Camera Inspection
Shut-Off Valve Repair
Main Water Line Replacment
Water Heater Installation
Tankless Water Heater Installation

+310

Response time4 hrs
275 neighbors recently requested a quote
Recommended by86%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

"As a property manager I have doubt was many plumbing companies and I can say I can count on Jess plumbing. He is efficient, reliable and always has fair prices. You can count on him not to overprice because he's honest and knows what he's doing."
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

"Let me start off by saying I will definitely call Mike Counsil Plumbing and Rooter for my future plumbing needs!! I woke up to water in my bedroom closet from a leak coming from my water heater. I called Mike Counsil Plumbing and Rooter, I spoke with Deanna in the office and she was so patient and knowledgeable. She was able to get me an appointment same day. Their technician Abel came out and was able to advise me of what needed to be done. Lets say I have a new water heater and i'm very pleased. Very Grateful, Debra Torres-Sanchez"
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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Water Heaters FAQs, answered by experts

Most hot water heater manufacturers recommend replacing the anode rod about once every three to five years. Anode rods sacrifice themselves by collecting iron, limestone, and other minerals that would otherwise corrode your hot water heater tank. This abuse wears them out long before your water heater does. Check the rod when you remove it and replace it if more than 50% of the metal has been consumed. Check the rod more frequently if you have hard water or use a water softener. 

If your water heater is about to celebrate the big 2-0, you may want to consider sending it off to greener pastures. While the water heater may seem to be working well, any conventional, tanked water heater over 10 years of age is at risk of failure. If your water heater is 20 years or older, your best move is to replace your aging heater before it completely breaks down.

Flushing biannually, checking the anode rod, and temperature settings maximize equipment lifespan while reducing surprise costs.

The amount of time it takes to replace an electric water heater will depend on the skill level of the individual who is replacing it. For example, if you replace it yourself–and you don’t have much experience–you can expect the project to take a full day. 

However, if you have a certified plumber or water heater contractor install your new water heater, it can take as little as 2 to 3 hours.

When installing a new furnace, it's a good time to consider other projects that can enhance your home's energy efficiency. A great first step is to get a home energy audit, which will identify areas for improvement. Common recommendations include sealing or replacing windows and adding insulation to the attic. These upgrades can help you save money on monthly utility costs. You might also consider installing a smart thermostat to make heating your home more convenient and efficient.

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.