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TRUSTED BY WATTS, CA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon32
    Verified water heater services reviews

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

Avatar for THE Water Heater Company
THE Water Heater Company
4.9(
134
)
Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+1 more

Serving Watts, CA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2018

Free estimates

Emergency services offered

"We had our water heater replaced by The Water Heater Company and the service was excellent from start to finish. The technician, Mike P., was professional, on time, and extremely knowledgeable. He explained everything clearly, completed the installation efficiently, and made sure the area was clean before leaving. My new water heater is working great. We really appreciate the quality of work and the attention to detail. We highly recommend The Water Heater Company especially if you want a smooth, stress-free water heater replacement done right the first time."
Van (Side view)
TWHC Vans
TWHC Vans
TWHC Vans
TWHC Vans

+83

Response time7 hrs
Response rate92%
Recommended by84%of homeowners
Avatar for Tony's Plumbing, Inc.
Tony's Plumbing, Inc.
4.9(
515
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Watts, CA and surrounding areas

Approved (Corporate)

In business since 1994

Free estimates

Warranties offered

"This is about the fourth time I've used Tony's Plumbing. They always do an excellent job for me and something just as important, I feel I can trust them to give me an honest answer when they come out to do a job for me. Had them out to do clean a slow drain that had been this way for some time. Had considered getting another company out that I had a coupon for, but then decided to to call Tony's instead since I can trust them if there were additional problem. Glad I did since it turned out to be a lot more complicated than just putting a snake down the pipe as their snake kept getting stuck. Paul, the tech doing the job, finally had to replace a section of the pipe and now drain is running freely again. I have also had them out to replace my water heater, replace my kitchen sink and reroute a drain from my HVAC. They have done a good job for me each time. They are definitely my go to plumber."
trailer jetter
opening the street
excavation
repairing the street
Response time1 day
2 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Albano's Plumbing & Drain
Albano's Plumbing & Drain
4.8(
49
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Watts, CA and surrounding areas

Approved

In business since 1978

Free estimates

Emergency services offered

"I called and spoke with Angelo.  He gave me an estimated range of how much it would cost, and told me that he could have someone at my house within an hour or two.  A plumber showed up in one hour, unclogged the drain, cleaned up, and charged me within the quoted range.  The service was very good, and the price was very fair.  I would definitely use them again.
"
Keith
Lucas
Roberto
Shower Before
Shower After

+7

Response time9 hrs
Response rate100%
Recommended by89%of homeowners
Avatar for HARMONY ELECTRIC PLUMBING & AIR INC
HARMONY ELECTRIC PLUMBING & AIR INC
4.8(
36
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Repair+4 more

Serving Watts, CA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"They called us quickly and got a plumber out within a few days. Super thorough - tested all pipes and water sources to diagnose the problem. They were able to perform maintenance on most bathrooms the same day and improve the water temperature in our showers. Gave helpful, non-biased advice on potential further plumbing improvements. We will likely call this company again for any and all future plumbing needs."
785 neighbors recently requested a quote
Recommended by38%of homeowners
Avatar for GLOVER PLUMBING SOLUTIONS INC
GLOVER PLUMBING SOLUTIONS INC
5.0(
12
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceTankless Water Heater - Install+5 more

Serving Watts, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Had the water on/off to the washer break off, had a very minor flood… thank goodness I knew how to turn off the water to the house. Glover plumbing arrived, quickly corrected the damage, and gave me good advice, too. I knew this was not something I could do myself, and was not disappointed. Save this phone number and listing in case you need a good plumber, because this is the one you want to keep on hand. Highly recommended."
Disposals and more
Commercial Plumbing
Sump pumps
Drain Replacement
Roots in sewer

+10

31 neighbors recently requested a quote
Avatar for Art's Professional Services Inc.
Art's Professional Services Inc.
5.0(
10
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Watts, CA and surrounding areas

Approved

Emergency services offered

Credit card accepted

Customers say: True professional

"I stared to look for a plumber after I found water under my water heater. I jumped on Angi and posted my issue. With in minutes....Art messaged me and said he can be her 1st thing in the morning. BTW. This was 10pm at night. His quick response was a plus for me. I had one other respond but he over extended himself to my need. He came at 7amd and said....you need a new water heater. I can got get one and install it now. I was a bit reluctant and he said call me when your ready and left. My wife said his prices looked fair and he seemed like a good plumber. I called him back and said lets dance. He was back at my home in a hour and 1/2...and started the work. He protected my carpet and placed plastic on it. He warned my that maybe the cost might go up due to the age of the pipes and valves. He had the old one out and the new one in an an hour or so. He was quick, clean and polite. I paid him and shuck his hand. I recommend Art for your household plumbing needs. He was excellent."
Plumbing Project
Plumbing Project
Plumbing Project
Plumbing Project
Plumbing Project

+15

Response time7 hrs
Response rate100%
1 neighbors recently requested a quote
...
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Water Heaters FAQs, answered by experts

Typically, only a high-efficiency water heater with an inducer fan can be vented outside the house. Otherwise, your water heater needs to be installed on the inside and vented through the roof. However, certain areas may allow a standard-efficiency water heater to be vented outside. Check your local building codes to be sure.

Depending on the brand of water heater, you may need to install an expansion tank in order to meet the conditions for warranty coverage. It’s important for consumers to read the fine print of the warranty to see if an expansion tank is necessary. Even if an expansion tank isn’t required for the warranty, it’s usually mandated by building codes—although not for tankless water heaters.

A water heater is one of the heaviest hitters in your home, and it needs as much power as possible to help it run efficiently and effectively.

Your water heater should be on its own dedicated circuit breaker, with no other power sources running to it. This is required to meet the National Electric Code–and to ensure it runs as efficiently as possible.

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.

You can use multiple tankless water heaters, but that doesn’t mean you should. Adding multiple tankless heaters adds considerable cost to your home in both parts and installation costs. Also, you’re adding many more points of failure in the system, making plumbing issues harder to diagnose. More heaters mean more maintenance, and insurers may want a word regarding the increased risk of water damage. A single, larger unit makes more sense in most situations.

The Watts, CA homeowners’ guide to water heater services

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