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

Avatar for Speedy Water Heaters and Plumbing
Speedy Water Heaters and Plumbing
5.0(
21
)
Tankless Water Heater - Install

Serving Azusa, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"The entire process from the initial call to actually getting to take a shower was easy and pleasant with Speedy Water Heaters. They were upfront with pricing, quick to schedule, installation was clean and timely, the tech was knowledgeable, efficient and so patient with all my questions. I would definitely recommend Speedy Water Heaters to my friends and family! Great job!"
Response time3 hrs
Response rate93%
Recommended by38%of homeowners
Avatar for Alpine Plumbing, Heating, and Air
Alpine Plumbing, Heating, and Air
4.7(
36
)
Tankless Water Heater - Install

Serving Azusa, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"Mike was great! He was friendly and knowledgeable. He let me know all the options for replacing my water heater and did the work quickly and neatly. Will definitely be calling him again!"
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 HARMONY ELECTRIC PLUMBING & AIR INC
HARMONY ELECTRIC PLUMBING & AIR INC
4.8(
36
)
Tankless Water Heater - Install

Serving Azusa, 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."
845 neighbors recently requested a quote
Recommended by38%of homeowners
Avatar for Service Champions Plumbing, Heating & AC
Service Champions Plumbing, Heating & AC
4.4(
50
)
Tankless Water Heater - Install

Serving Azusa, 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 A2Z Plumbing
A2Z Plumbing
5.0(
13
)
Tankless Water Heater - Install

Serving Azusa, CA and surrounding areas

Approved

In business since 2019

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! Book with us online or feel free to give us a call today!

project photos
7 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Sweetwater Plumbing Industries, Inc.
Sweetwater Plumbing Industries, Inc.
4.0(
620
)
Tankless Water Heater - Install

Serving Azusa, CA and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Technician Ruben was able to spot where the issue with the water heater and he also able to fix it right away. I have asked 3 other plumbing company for bid they all recommend to replace the water heater. So Sweetwater literally saved me thousands!! Thank you!"
Water Heater Installation
Plumbing Services
Water Heater
Plumbing Services
On Time Service

+36

Response time3 hrs
19 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Ace’s Plumbing Services
Ace’s Plumbing Services
5.0(
20
)
Tankless Water Heater - Install

Serving Azusa, CA and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Athen did an amazing job installing my utility sink. The job turned out to be bigger than what he quoted, but he kept the same price he originally quoted me. He went above and beyond to make sure the job was custom and solid . He was professional, courteous, and friendly. Highly recommend !"
Water Heater Installation
Valve/Regulator
Tankless Heater
Copper Spot Repair
Automatic Shutoff

+2

Avatar for Accurate Electric, Plumbing, Heating and Air
Accurate Electric, Plumbing, Heating and Air
4.5(
15
)
Tankless Water Heater - Install

Serving Azusa, CA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Jeff Seale at Accurate Electrical Service was the most attentive, considerate, professional electrician I have ever met. I would highly recommend him and will definitely use him for future projects. Thank you for the reference."
Jeff Seale - Owner
Albert Aragon - Dispatch
Cheri Fortner - Operations Manager
Dan Hartman - Journeyman Plumber
Eric Bribiesca - Comfort Advisor

+24

54 neighbors recently requested a quote
Recommended by69%of homeowners
Avatar for Adeedo!
Adeedo!
2.8(
2
)
Tankless Water Heater - Install

Serving Azusa, CA and surrounding areas

Approved

In business since 1949

Free estimates

Emergency services offered

100% Happiness Guarantee – Adeedo is Los Angeles’ trusted plumbing and HVAC expert, delivering fast, reliable service with expert care. We offer Same Day Service—days, nights, weekends, and holidays.\n\nSince 1949, we’ve provided premier HVAC and plumbing services throughout Los Angeles, earning a reputation for quality workmanship and dependable results. Our skilled plumbers handle everything from faucets, fixtures, and water heaters to copper piping, re-piping, trenchless sewer repair, sewer lining, and routine maintenance.\n\nOur HVAC specialists provide furnace and AC maintenance, repair, and installation, including energy-efficient upgrades, mini-splits, programmable thermostats, and complete system replacements.\n\nFrom your first call to job completion, Adeedo delivers the professionalism and expertise homeowners expect.

Drain Clearing
AC Tune-Up
...
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