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  • Average homeowner rating star icon4.5
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  • Verified reviews icon251
    Verified water heater services reviews

Find Water heater pros in Cupertino

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 Cupertino, 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 Fantastic Rooter, Inc.
Fantastic Rooter, Inc.
4.5(
174
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Cupertino, 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 Chandler's Plumbing
Chandler's Plumbing
4.3(
745
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceTankless Water Heater - Install+5 more

Serving Cupertino, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Free estimates

Emergency services offered

"Called Chandlerâ s Plumbing came out in two hours after calling them. Removed the old water heater and replaced it with a brand new water heater. Was great to get it done so fast and have hot water again in my house. Would recommend this company to anyone looking to have plumbing work done."
Sewer Line Camera Inspection
Shut-Off Valve Repair
Main Water Line Replacment
Water Heater Installation
Tankless Water Heater Installation

+310

Response time4 hrs
388 neighbors recently requested a quote
Recommended by86%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 Cupertino, 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 Aaron's Plumbing & Rooter
Aaron's Plumbing & Rooter
4.8(
104
)
Tankless Water Heater - InstallTankless Water Heater - Install - For Business

Serving Cupertino, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Emergency services offered

"Solid customer service and the plumber that did the thankless install did a great job. I had a frozen valve and they were able.to repair that on the fly. Their price was competitive with another quote I got. When asking for quotes for a water heater install, Aaron realized I bought the wrong type for my situation and pointed me in the right direction. I will absolutely use these guys for any future plumbing projects."
Bathroom Remodel
Bathroom Sink Fixture Install
Bathroom Remodel
Kitchen faucet fixture repair
Shower Ugrade

+108

Response time6 hrs
Response rate93%
79 neighbors recently requested a quote
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Water Heaters questions, answered by experts

A tankless water heater with a flow rate of 10 GPM should replace a conventional 50-gallon water heater. To avoid a surprise cold shower or two and to keep your energy costs in check, it's important to replace a conventional tanked water heater with the equivalent tankless water heater. Your household size and the number of hot-water-using devices you use at once can help you determine the best-size tankless water heater.

Gas water heaters last between eight and 12 years on average. You can help them reach their maximum lifespan with regular cleanings, maintenance, and professional checkups, though don’t hesitate to swing for a full replacement if the total cost of repairs is greater than that of purchasing and installing a new unit. 

Unless they are connected to the same system, boilers and water heaters will both need their own expansion tanks. The only case they wouldn’t have separate expansion tanks is if the boiler is pulling double duty and managing a heating system while also supplying hot water for a home. In which case, you may not need a hot 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.

Unless you have previous plumbing experience or extensive experience with water heaters, you should avoid replacing your electric water heater yourself. This process involves disconnecting wiring and parts from the old water heater and reinstalling them onto the new one, among other difficult tasks. This job is best left to the pros to make sure that everything is connected correctly to avoid serious leaks or malfunctions.

The Cupertino, CA homeowners’ guide to water heater services

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