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    Average homeowner rating
  • Verified reviews icon163
    Verified water heater services reviews

Top-Rated Water heater pros in Campbell - 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 Campbell, 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!"
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+20

Response time9 hrs
Recommended by95%of homeowners
Avatar for Better Water Heaters
Better Water Heaters
4.5(
195
)
Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+1 more

Serving Campbell, CA and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"The entire project from start to finish was fantastic. Within minutes of requesting a quote I received a text with a time they could be at the house. Rodney called to ask some questions, gave me an estimated price and time. Rodney was great to talk to and was very knowledgeable and helpful. Rolando arrived a little early which was great. He figured out what needed to be done and gave me an estimate which was within the range mentioned and started working. It took an hour to complete. Rolando went over what was done and why. I was extremely impressed with Rolando, he was courteous, informative and did a great job installing the water heater and bringing everything up to code. I wouldn’t hesitate to call Better Water Heaters again."
Additional Photos
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Recommended by90%of homeowners
Avatar for Escamilla Plumbing and Rooter Inc.
Escamilla Plumbing and Rooter Inc.
5.0(
51
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Campbell, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Emergency services offered

Warranties offered

"Gustavo definitely knows his trade. He not only made the installation functional, but it really looks great. Gustavo handled the electrical portion, as well as installing the water heater and recirculating pump. The price was definitely competitive and I would certainly use him again. Nice job!"
Plumbing Project
Electric Heat Pump Water Heater
Shower Valve
Shower Area Remodel
New Bidet

+167

Response time1 day
Recommended by82%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 Campbell, CA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Excellent co-ordination by the office. Lady set up a visit by her field worker - he showed up on time to evaluate the problem. He needed a gasket to fix the problem but had to get one at a supply store. Because he took longer to return then planned, he reduced the price by $30 and threw in a water pressure check as well. Oh, the gasket did fix the leak. Excellent job by all concerned."
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 The Tankless Guys Plumbing Corp.
The Tankless Guys Plumbing Corp.
5.0(
13
)
Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+1 more

Serving Campbell, CA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Exceptional Service from The Tankless Guys I recently had the pleasure of hiring The Tankless Guys for a water heater replacement, and I am thrilled with the exceptional service they provided. From start to finish, this plumbing company demonstrated professionalism, efficiency, and a commitment to customer satisfaction. First and foremost, their pricing was incredibly reasonable compared to other quotes I received. The Tankless Guys understand the importance of offering competitive rates without compromising on the quality of their work. This affordability was a significant factor in my decision to choose them for my plumbing needs. What sets The Tankless Guys apart is the personal involvement of the owners. It was evident that they take pride in their business and genuinely care about their customers. This hands-on approach ensures that every job is handled with attention to detail and a commitment to excellence. It's reassuring to know that the owners are actively engaged in over"
Give us a call today at 408-580-0031
Give us a call
give us a call
give us a call
give us a call

+5

Response time7 hrs
Response rate91%
Recommended by100%of homeowners
Avatar for Durrani Plumbing
Durrani Plumbing
4.9(
15
)
Water Heater - Install or ReplaceWater Heater - Repair or Service

Serving Campbell, CA and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"The work completed by Sarfraz at Durrani Plumbing exceeded my expectations! I had a hot water heater replaced and the job was well done. The quote was fair, accurate, and Sarfraz explained everything thoroughly. I really appreciated knowing all of my options to have the job done correctly. I would hire Durrani Plumbing again for any needs I have in the future."
American Standard Faucet
Insinkerator Garbage Disposal
Bradford White Water Heater
Bradford White Water Heater
75 Gallon Water Heaters

+9

Response time3 hrs
Response rate96%
Recommended by100%of homeowners
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Water Heaters FAQs, answered by experts

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 good news is that most home warranty plans cover hot water heaters, regardless of whether you have a tank or a tankless model. Your hot water heater should be covered by your home warranty because it's considered an essential home appliance.

We recommend you turn off the unit, the power, and the water supply as soon as you notice a leak. Your water heater tank should have a dedicated shut-off valve located on the cold inlet pipes. If the valve is broken or inoperable, use the shut-off valve to your home's main water supply to stop the flow to the entire house.

Avoid touching valves or pipes directly without confirming if they are hot. Wear gloves and other safety gear to keep from coming into contact with hot levers or components when turning off your leaking water heater.

If your system is not vented properly, you could experience what’s called backdrafting. Backdrafting is when your ventilation system isn’t working as it should, and instead of releasing gases outside, they get trapped inside your home. 

Gas and propane water heaters create a few types of combustion gases, but the most dangerous is carbon monoxide. If there’s too much build-up of these gases inside your home, it can lead to carbon monoxide poisoning.

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.

The Campbell, CA homeowners’ guide to water heater services

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