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Top-Rated Tankless water heater repair pros in Claremont - Updated Nov 2026

Avatar for Western Rooter & Plumbing
Western Rooter & Plumbing
4.8(
172
)
Tankless Water Heater - Repair

Serving Claremont, CA and surrounding areas

Approved

In business since 1981

Free estimates

Emergency services offered

"Daniel arrived on time, bathroom tub work was estimated and confirmed to repair to stopped leaking faucets. Also had toilet valve replaced. Very pleased with work done. Will use this service again.?"
Ruben installs a new drainage system under a customers home. Working in a crawl space is rough, but we do what is needed.
Backing up? Got roots? Blast those roots out with a Hydro Jetter! We use a wart hog nozzle that combines controlled rotation with a unique 8 jet cutting configuration optimized for removing roots. It’s better with a jetter! Call us! We got this! ??
Sewer Line Camera
No drain clog too big or small, Western Rooter covers them all!
Justin clearing a Kitchen sink back-up after the Memorial holiday.
HALO 5 whole house water filtration system.

+542

Response time12 hrs
Response rate100%
10 neighbors recently requested a quote
Avatar for Alpine Plumbing, Heating, and Air
Alpine Plumbing, Heating, and Air
4.7(
36
)
Tankless Water Heater - Repair

Serving Claremont, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"Mike came out and helped so much! He was able to diagnose a few things and gave us some great suggestions as to what things we needed to fix. Really loved the professionalism and expertise he brought. All the work was done quickly and efficiently. I'd go to Alpine plumbing again in the future, they do great work."
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 Service Champions Plumbing, Heating & AC
Service Champions Plumbing, Heating & AC
4.4(
50
)
Tankless Water Heater - Repair

Serving Claremont, 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 Dr Rooter Plumbing
Dr Rooter Plumbing
5.0(
18
)
Tankless Water Heater - Repair

Serving Claremont, 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
Avatar for Northstar PHAC, Inc.
Northstar PHAC, Inc.
4.5(
128
)
Tankless Water Heater - Repair

Serving Claremont, CA and surrounding areas

Approved

In business since 2008

Free estimates

Credit card accepted

"'i thought that my expensive wall heater would need to be replaced, but they were able to do a service and get it back up and running like new the same day."
FURNACE AND COIL
new furnace
Our Beautiful Installs
Our Beautiful Installs
Our Beautiful Installs

+29

Response time3 hrs
Response rate94%
21 neighbors recently requested a quote
Avatar for CARLOS HERRERA
CARLOS HERRERA
4.5(
215
)
Tankless Water Heater - Repair

Serving Claremont, CA and surrounding areas

Approved

In business since 2008

Free estimates

Offers commercial services

Owner operated. We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Cost is determined by the job. No travel charges. No service charges. No extra charge for after hours services. Give us a call today.

Tub Installation
55 neighbors recently requested a quote
Recommended by93%of homeowners
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