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Top-Rated Tankless water heater installers in Signal Hill - Updated Nov 2026

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

Serving Signal Hill, 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 Tony's Plumbing, Inc.
Tony's Plumbing, Inc.
4.9(
515
)
Tankless Water Heater - Install

Serving Signal Hill, CA and surrounding areas

Approved (Corporate)

In business since 1994

Free estimates

Warranties offered

"I was WOWED by every aspect of our project. I called on Sunday, expecting to just leave a message but got a human voice. Angie was so helpful in answering my questions. She scheduled weds. for replacement of my water heater but because of a cancellation she got them to come on Monday. Both Juan and William Came in and went to work. Got the job done in a couple hours . I didn't have to deal with the old water heater. I was very happy with their work and they were very patient with my questions. George also came early to flush my tankless. This is a well run company and their prices are fair. I will be contacting them for any other jobs I have. Thank you!"
trailer jetter
opening the street
excavation
repairing the street
Response time1 day
2 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Good Guy Plumbing
Good Guy Plumbing
4.7(
82
)
Tankless Water Heater - Install

Serving Signal Hill, CA and surrounding areas

Approved

In business since 2000

Free estimates

Credit card accepted

"Huge job of relocating & rebuilding my entire sewer line and water mains. Came out same day as called. Quote for the Job the same day! Started the same day! Really responsive. Not the cheapest but a quality job and asap."
Good Guy Van!
Shower Valve Install
New 40 Gallon Water Heater Installed
Response time5 hrs
Recommended by94%of homeowners
Avatar for HARMONY ELECTRIC PLUMBING & AIR INC
HARMONY ELECTRIC PLUMBING & AIR INC
4.8(
36
)
Tankless Water Heater - Install

Serving Signal Hill, 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 Albano's Plumbing & Drain
Albano's Plumbing & Drain
4.8(
49
)
Tankless Water Heater - Install

Serving Signal Hill, CA and surrounding areas

Approved

In business since 1978

Free estimates

Emergency services offered

"Albano's responded quickly to my plumbing emergency. They replaced my water heater and cleared a drain stoppage in a timely manner. They are fair in pricing, I would recommend them to anyone looking for a fast and reliable plumber."
Keith
Lucas
Roberto
Shower Before
Shower After

+7

Response time9 hrs
Response rate100%
Recommended by89%of homeowners
Avatar for Service Champions Plumbing, Heating & AC
Service Champions Plumbing, Heating & AC
4.4(
50
)
Tankless Water Heater - Install

Serving Signal Hill, CA and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"Can not say enough positive things about this company. Usually do alot of things diy, but i would hire them any time to do plumbing. Their professionalism is way above board. Prices more than fair. Miguel is a definite asset to this company. When i have a plumbing problem i will definitely call them back. (had another company come before them that could not get the job done and suggested replacing the trap under my bathtub. My home is not on a foundation but a slab, and that means removal of my bathtub. The cost of his visit would have gone from one hundred dollars to thousands. ) Thank you Service Champions!"
Area Drain Cleaning
Plumbing
Plumbing
Garbage Disposal
Drain Cleaning

+13

Response time4 hrs
Recommended by79%of homeowners
Avatar for Titan Plumbing and Rooter
Titan Plumbing and Rooter
4.9(
42
)
Tankless Water Heater - Install

Serving Signal Hill, CA and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"Also had them install faucets, do pipe repair, and clear drains. They were on time, easy to communicate with, returned calls in a timely manner, discussed job prior to starting, and looked for the most cost effective way to solve whatever the issue was."
Sewer repairs
Sewer repairs
Sewer repairs
Sewer repairs
Sewer repairs

+33

Response time4 hrs
Response rate92%
1 neighbors recently requested a quote
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