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TRUSTED BY MORONGO VALLEY, CA HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon28
    Verified water heater services reviews

Top-Rated Water heater pros in Morongo Valley - Updated Nov 2026

Avatar for All Pro Cooling, Heating, Plumbing & Electrical
All Pro Cooling, Heating, Plumbing & Electrical
5.0(
16
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceTankless Water Heater - Install+5 more

Serving Morongo Valley, CA and surrounding areas

Approved

In business since 1982

Free estimates

Emergency services offered

Since we opened our doors in 1991, All Pro Plumbing, Heating, Air & Electrical has been dedicated to providing residential and commercial customers in Ontario, CA with top-notch plumbing, heating, air conditioning, indoor air quality, and electrical services. Nearly 30 years later, we have grown significantly, but our values have not changed. We are just as committed to customer service and providing you with personalized options to meet your specific needs. We know that when you are dealing with an urgent plumbing, HVAC, or electrical issue, there isn't always time to wait around for hours for your technician to show up. Today, with more technicians, we are able to answer your call 24 hours a day, 7 days a week, and respond to your needs faster, almost always within the hour! When you call us for service, we'll work with you to make sure your problem gets solved according to your specific needs and budget.

My jobs
My jobs
My jobs
My jobs
My jobs

+7

196 neighbors recently requested a quote
Avatar for ASCENT PLUMBING INC
ASCENT PLUMBING INC
4.7(
99
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Install - For Business+5 more

Serving Morongo Valley, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

Sink Install
Sink Install
Sink Install
Sink Install
Sink Install

+3

9 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for A -Team Drains
A -Team Drains
4.7(
19
)
Water Heater - Install or Replace - For BusinessWater Heater - Repair or ServiceWater Heater - Repair or Service - For Business

Serving Morongo Valley, CA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Mr. Aquino was so incredibly helpful. We were on a tight timeline and he was able to come out the same day and do the plumbing repair to our bathtub we needed even though it ended up being a bigger job than originally thought. He explained everything as he was doing it fantastic Customerservice really knows his stuff and a great value for the price highly recommend them."
My jobs
My jobs
My jobs
My jobs
My jobs

+1

Response time4 hrs
Response rate91%
6 neighbors recently requested a quote
Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Solar Water Heater System - Install

Serving Morongo Valley, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"We could not be happier with our new bathroom, thanks to McCormick! Khaled was knowledgeable and really took the time to understand our style preferences. The whole team was great about keeping the workspace tidy, which we appreciated. Now, we have a bathroom that feels luxurious and welcoming. Highly satisfied with their work!"
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+1

Response time6 hrs
Recommended by17%of homeowners
OLD BLUE SCOUT MOBILE SERVICE
New to Angi
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessWater Heater - Install or Replace+1 more

Serving Morongo Valley, CA and surrounding areas

Approved

In business since 2006

Credit card accepted

Offers commercial services

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

RSF Construction Inc.
1.0(
1
)
Solar Water Heater System - Install

Serving Morongo Valley, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

Avatar for Water Heaters Only, Inc
Water Heaters Only, Inc
4.7(
440
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Morongo Valley, CA and surrounding areas

In business since 1968

Free estimates

Emergency services offered

"I called Water Heaters Only out of desperation on Sunday...Seth @ toll free # was fully aware of our tenants being without hot water for 2 days and was able to get a technician out on Monday morning. Monday @ 5 pm, hot water was up and running. David, the technician knew what had to be done to get the heater up and running. The next day, we did have a hiccup with a part but David came out immediately and tweaked the part -- all is good. Here is what I like -- 1. no sales pitch. 2. David gave me a plan b for possible additional work. 3. this company is available 365 days and you dont have to wait for parts to be delivered from out of state. 4. Water Heaters Only has their own facility for parts."
Our technician Fabian getting ready to drain a water heater.
A newly installed 40 gallon residential water heater.
A tankless water heater installed in a garage.
Additional Photos
Additional Photos

+2

Recommended by94%of homeowners
Avatar for AM Plumbing
AM Plumbing
4.4(
103
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessWater Heater - Install or Replace+1 more

Serving Morongo Valley, CA and surrounding areas

In business since 2004

Free estimates

Credit card accepted

"Emery, my service tech was great! Very easy to work with and very informative. He explained in detail what was going on with my water heater and what needed to done to fix the situation. I highly recommend this person and his company"
Tankless Water Heater
Slab leak repair
Slab leak repair
Slab leak repair
Hot water slab leak repair

+10

Response time5 hrs
Recommended by98%of homeowners
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Water Heaters FAQs, answered by experts

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.

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.

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 Morongo Valley, CA homeowners’ guide to water heater services

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