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Top-Rated Tankless water heater installers in Fontana - Updated Nov 2026

Avatar for Payless Water Heaters & Plumbing
Payless Water Heaters & Plumbing
4.2(
132
)
Tankless Water Heater - Install

Serving Fontana, CA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Did a $59 consult only. Turned out the cost of repairing the old heater was almost as much as a new one, so we got a new one, and handled the install ourselves. Luis B was great, knowledgeable, friendly, didn't try to upcharge just to sell a heater, which we appreciated. Gave us an honest evaluation, several options, and was right on time. I will say, though, that the company failed to call me when he was on his way... not a big deal. All in all a good experience."
New Tankless Water Heater Installation
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+19

Response time8 hrs
Response rate100%
Recommended by73%of homeowners
Avatar for Speedy Water Heaters and Plumbing
Speedy Water Heaters and Plumbing
5.0(
21
)
Tankless Water Heater - Install

Serving Fontana, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"Proffesional installation by Hector and Michael. They installed Bradford White Water Heater, and day before installation I called and asked Hector if they can install also Halo 5 water treatment system, self cleaning, and he said Yes! Clean, speedy job. Great price. Effective, fast communication. Hector answered my questions via phone, text, email literally within minutes, or instantly. Highly recommend this crew, company. Already informed my family, if they need fast, reliable service, installation of new systems, to contact them. GO SPEEDY WATER HEATERS!!!! Thank You for great service, consultation, explanations, answering all my questionsin details, fast, and installation for great price. I would give them 6 Stars, if I could."
Response time3 hrs
Response rate93%
Recommended by38%of homeowners
Avatar for WATER HEATER SOS
WATER HEATER SOS
5.0(
17
)
Tankless Water Heater - Install

Serving Fontana, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"I have a tankless water heater that was giving an error code and i had no hot water! The tech that came out was very nice and knowledgeable. Im glad to report i now have hot water again. As a side note I talked with the tech about water treatment options and a RO system and as long as my husband agrees I will be having them install both items!!"
Phyn Install
Phyn Install
Water Heater
Water Heater
Response time8 hrs
Response rate98%
30 neighbors recently requested a quote
Avatar for J I G Plumbing
J I G Plumbing
4.9(
98
)
Tankless Water Heater - Install

Serving Fontana, CA and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"The plumber spent a lot of time just trying to figure out the source of the hidden leak. He had a lot of patience. The quality of work was good as was the price. I would definitely hire them again."
Completed Install
Preparing new install
Completed Install
Completed Install
Completed Install

+8

40 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Alpine Plumbing, Heating, and Air
Alpine Plumbing, Heating, and Air
4.7(
36
)
Tankless Water Heater - Install

Serving Fontana, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"I Called to get an in person quote for a tankless water heater flush and left this job with a whole house filter and a fridge connection. When Michael first arrived we inspected the tankless unit and tested the water to conclude flushing was not my best option. He then walked me through my options for home filters and we decided on a Halo system. Michael was very well educated on the subject and gave me the best value filter for my needs. He installed the unit the next day in less than a few hours and left me with a flawless work of art. I couldn't be more impressed with the professionalism he brings to this trade! I also requested to hook up a fridge and he did that in what seemed like 30 minutes. He will be the only plumber I call from now on!! Thank you Michael!!!"
Plumbing - Drain Cleaning Project
Sewer cleaned of roots and ready for lining
Prepping pipe for lining by removing massive roots
Mixing resin for liners, this resin gardens to create a solid pipe
Sewer robot in the pipe

+26

Response time9 hrs
10 neighbors recently requested a quote
Recommended by67%of homeowners
Avatar for AXP Plumbing Solutions
AXP Plumbing Solutions
4.8(
44
)
Tankless Water Heater - Install

Serving Fontana, CA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"I have my regular plumber but wanted a second quote so I went on the Angie app. They recommended several plumbers to install an automatic water main valve shut off unit that I needed for my homeowners. AXP contacted me on a Sunday and had a technician out by 9:00 on Monday. Felipe was wonderful and gave me an extremely reasonable quote. His boss, Albert came with parts and they did the work. Came across some excessive root problems but fixed the issue that made the job harder and longer but they got the job done!! Very professional and kept me abreast every step of the way. I would highly recommend this company!"
Water Heater Replacement
Water Heater Replacement
Main Drain Replament
Rough plumbing
Rough plumbing

+17

Recommended by67%of homeowners
Avatar for Service Champions Plumbing, Heating & AC
Service Champions Plumbing, Heating & AC
4.4(
50
)
Tankless Water Heater - Install

Serving Fontana, CA and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"Kayvan was a wonderful service tech! He was on time and professionally checked out the water heater and the HVAC system. He was so polite and friendly. He explained the need for a new filter in the heating unit and showed me photos of the unit located in the attic. He also offered to do a friendly deed for free, which I greatly appreciated, He’s a great asset to Service Champions!"
Area Drain Cleaning
Plumbing
Plumbing
Garbage Disposal
Drain Cleaning

+13

Response time4 hrs
Recommended by79%of homeowners
Avatar for Service Flow Plumbing
Service Flow Plumbing
5.0(
23
)
Tankless Water Heater - Install

Serving Fontana, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"Service Flow Plumbing did an excellent job flushing my tankless water heater at a very reasonable cost. Rose provided outstanding customer service from start to finish, and Andrew—the technician who performed the flushing—was extremely professional, knowledgeable, and sure to explain everything clearly. The whole process was smooth and stress-free. Highly recommend their team!"
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 Dr Rooter Plumbing
Dr Rooter Plumbing
5.0(
18
)
Tankless Water Heater - Install

Serving Fontana, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Offers commercial services

"Dr. Rooter came through for me when I was in a pinch. I needed to connect my tri-fuel generator to my gas line for continuous power. They contacted me within a few minutes and we scheduled a time for later the same day for them to come out and assess the situation. They then provided me with a solution. By later that night my generator was connected to my gas line. They did a very good job. Thanks Dr. Rooter!"
Response time3 hrs
Response rate100%
3 neighbors recently requested a quote
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