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TRUSTED BY CALIMESA, CA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon60
    Verified water heater services reviews

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

Avatar for WATER HEATER SOS
WATER HEATER SOS
5.0(
17
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessWater Heater - Install or Replace+3 more

Serving Calimesa, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"⭐⭐⭐⭐⭐ Water Heater SOS was a lifesaver! When our water heater broke down, they responded quickly, diagnosed the issue, and had it fixed the same day. The technician was professional, knowledgeable, and took the time to explain everything clearly. Pricing was fair, and the service was top-notch. I highly recommend Water Heater SOS for anyone needing fast, reliable water heater repairs!"
Phyn Install
Phyn Install
Water Heater
Water Heater
Response time8 hrs
Response rate98%
33 neighbors recently requested a quote
Avatar for The Water Heater Whisperer
The Water Heater Whisperer
5.0(
12
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Calimesa, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Credit card accepted

"The water heater whisperer was absolutely amazing, he came to my home to fix my toilet that was not filling up and constantly running. He was very professional, nice and explained everything he was doing! Will recommend him to friends and family."
Start
Middle of project
Finished
Tankless water heater
Response time7 hrs
Response rate93%
1 neighbors recently requested a quote
Avatar for Josh Mailhot Plumbing
Josh Mailhot Plumbing
4.8(
65
)
Water Heater - Install or Replace

Serving Calimesa, CA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Josh installed our new water heater and brought it up to code. He was professional, courteous and prompt. I highly recommend his company and will be using him for future projects. Thanks Josh."
50 gallon water heater
water heater
Water heater replacement
Re-pipe
old toilet

+4

Response time7 hrs
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Isaac Mailhot Plumbing
Isaac Mailhot Plumbing
4.7(
181
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceTankless Water Heater - Install+3 more

Serving Calimesa, CA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"We had a need for quick service to replace a 26 year old water heater. Isaac stepped up and installed a new, high-rated water heater the same day at a competitive price (based on what I had paid recently to install the same water heater at a different location). His service and attention to detail was much appreciated."
Waste system of a multistory custom home
 shower of power
 Custom shower rough in
 **Bling**
 Custom shower finished

+43

Response time6 hrs
4 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Service Flow Plumbing
Service Flow Plumbing
5.0(
23
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceTankless Water Heater - Install+5 more

Serving Calimesa, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"Drew came out and did an excellent job diagnosing my clogged bathtub drain. He was on time, efficient, very descriptive in his repair, left left the job totally cleaned up. And it needs to be stated that his price was very reasonable. I’m so happy that I have now found my new go to plumber. I highly recommended Service Flow to my family, friends and to you."
Sewer Main Valve
Sewer Main Valve
Sewer Main Valve
Sewer Main Valve
Sewer Main Valve

+81

Response time8 hrs
Response rate98%
22 neighbors recently requested a quote
Avatar for Mighty Plumbers
Mighty Plumbers
5.0(
31
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Repair+1 more

Serving Calimesa, CA and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"They got my water heater fixed very quickly, and it works perfect now. The efficiency and attention to detail was much appreciated and these guys were very professional. Iâ d recommend for any plumbing needs."
WATER HEATER REPLACEMENT
WATER HEATER REPLACEMENT
WATER HEATER REPLACEMENT
Water heater replacement
Water heater replacement

+1

Response time20 mins
Response rate89%
13 neighbors recently requested a quote
Avatar for We Care Plumbing, Heating and Air - Murrieta
We Care Plumbing, Heating and Air - Murrieta
4.3(
137
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Repair+2 more

Serving Calimesa, CA and surrounding areas

Approved

In business since 1999

Warranties offered

Credit card accepted

We Care Plumbing, Heating and Air is the trusted plumbing company and HVAC contractor in Murrieta, CA, proudly serving Southern California since 2000. Our team specializes in reliable plumbing, heating, cooling, and indoor air quality solutions for both homes and businesses. Available 24/7, we handle everything from emergency plumbing repairs to complete HVAC installations with unmatched care and professionalism. As a top-rated service provider, we’re dedicated to keeping your family comfortable year-round. Count on We Care Plumbing, Heating and Air for dependable service, honest pricing, and long-lasting results in Murrieta and beyond. \n \nWe Care To Go the Extra Mile! We have 24 hour LIVE answering!

11 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for GG's Plumbing, Inc.
GG's Plumbing, Inc.
5.0(
12
)
Tankless Water Heater - InstallWater Heater - Install or Replace

Serving Calimesa, CA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"We had a great experience with GG’s Plumbing at our cabin in Lake Arrowhead. We originally hired them to install a whole-house water shut-off system, and the job was done quickly and professionally. While they were there, the team noticed that our pipes weren’t properly insulated — something that can obviously become a real issue in the mountains during winter. What I appreciated most was their approach: they didn’t pressure us at all. They simply explained the risk, gave us the option to fix it now or later, and let us decide. That kind of honesty goes a long way. We chose to go ahead and have the insulation done, and I’m glad we did. Their team was easy to work with, the communication (mostly through text) was fast and clear, and everything was handled smoothly. Reliable, knowledgeable, and straightforward — I would absolutely recommend GG’s Plumbing."
Water repipe
Water repipe
...
Showing 1-10 of 191
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.

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.

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.

It is very difficult and dangerous to install your own water heater, so we strongly recommend against tackling this as a DIY project. Not only will you need to wire your water heater, but you’ll also need to connect plumbing to the intake and outlet. Sweating copper pipes and connecting wiring properly are skills most DIYers don’t have, and even if you do feel confident you can do it, working with water and electricity always leaves the potential for electrocution. Hiring a local water heater installer is well worth the investment.

Yes, this would be an appropriate choice. In order to comply with the National Electric Code’s rules, you'll need to install a circuit breaker that's 125% larger than the intended load. In this case, you'll multiply 30 amps by 1.25 to find the necessary breaker size. Plugging that equation in for your 30-amp water heater will leave you with a 37.6-amp breaker. If your current water heater keeps tripping the breaker, it might be time to talk to a plumber or electrician about upgrading your water heater's setup.

The Calimesa, CA homeowners’ guide to water heater services

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