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

Avatar for AMC Plumbing
AMC Plumbing
4.9(
57
)
Tankless Water Heater - Repair

Serving National City, CA and surrounding areas

Approved

In business since 2004

Free estimates

Offers commercial services

"Arturo was very knowledgeable and efficient in replacing my hot water heater in a timely manner. AMC Plumbing did an excellent job. I am glad that I hired Arturo to do this job and would call him again for any plumbing problem or project."
Response time4 hrs
12 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Jax Mechanical
Jax Mechanical
4.8(
27
)
Tankless Water Heater - Repair

Serving National City, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"JAX installed my tankless water heater. They were easy to work with and they did a very neat job. Finally they provided everthing that was promised."
Residential work
Residential work
Residential work
Residential work
Residential work

+15

Response time1 day
5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Carini Home Services
Carini Home Services
4.7(
381
)
Tankless Water Heater - Repair

Serving National City, CA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"My 1950's furnace gave out a few days after Christmas and a friend referred me to Carini. They came to give me a quote within a few days and, due to another job canceling, they were able to start on the work the very next day. I think it took two or three days to get me back up and running with heat. While they were at it, I had them add A/C to my old house so now I'm ready to stay comfortable in summer months too!
"
Using the sewer camera to inspect the inside of a customer's drains
Camera inspection through a sewer vent on a customer's roof
Hydro jet uses water at 4,000psi to clean the inside of the mainline drain which connects all the home's drains to the city's sewer system.
Using a snake we can go through the cleanouts on the side of the house.
With the cleanouts snaked, and the blockage located, we can send the hydro jet through the sewer vent and flush out the blocked drain.

+16

Response time10 mins
7 neighbors recently requested a quote
Recommended by92%of homeowners
Bob Jenson Air Conditioning Inc.
4.9(
169
)
Tankless Water Heater - Repair

Serving National City, CA and surrounding areas

Approved

In business since 1977

Free estimates

Customers say: Quality work

Service, Quality, Comfort. Consistently delivering the best Service and Installation experience in San Diego since 1977. Log in to view what Angie's List Members are saying about us and get exclusive member discounts! Our estimates on a new installation or replacement are always Free! \nOur Certified Technicians service all brands of equipment. We have COVID-19 Protocols in place for your safety and ours! Friendly, Knowledgeable Staff is here to help! Flexible Financing OAC Available. Call Us Today!

18 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Gorilla Plumbing
Gorilla Plumbing
5.0(
14
)
Tankless Water Heater - Repair

Serving National City, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"Best experience replacing a water heater! Mickey was very professional and worked efficiently to replace our old water heater. He took the time to go over the estimate (priced fairly and competitively) and made sure that we had the equipment we needs for our household needs. He made sure that we also were brought up to code since our set up was fairly old. The experience was smooth and stress-free from start to finish. I would highly recommend Mickey and Gorilla Plumbing for future plumbing projects!"
Traditional Water Heater
Traditional Water Heater
Traditional Water Heater
Water Supply
New System

+12

Response time8 hrs
Response rate100%
Avatar for Forthright Plumbing Pros, Inc.
Forthright Plumbing Pros, Inc.
4.8(
68
)
Tankless Water Heater - Repair

Serving National City, CA and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Leo reached out to me immediately upon receiving my request through Angi. I told him what happened and he advised that he would contact a leak detection company ASAP and let me know when they would arrive. He did as promised and we had that company at our house within the hour (on a Saturday, no less). We spoke to that person for a good while about the different steps we could take and decided what was right for us. During this time, Leo texted to check on us and the outcome. I sent him the pictures of the issue and he gave me a reasonable price for the fix. He immediately came over to get our leak fixed so that we would not be without water over the weekend. Leo was pleasant, responsive and punctual. If we need any plumbing issues in the future, we will definitely call Forthright and will recommend him to our friends and family! Thank you Leo!"
Front view
Completed Project
New shut off valve, supply hoses, and flue vent
T & P drain
Drain terminates

+2

Response time7 hrs
Response rate94%
1 neighbors recently requested a quote
Avatar for Same Day Heating, Cooling, Plumbing
Same Day Heating, Cooling, Plumbing
4.4(
31
)
Tankless Water Heater - Repair

Serving National City, CA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Same Day Heating and Air did a fantastic job. They removed the old unit and installed a new one in one day. Thy also took care of the permits and inspection process. I was pleased by the professionalism and great service."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+7

Response time1 day
13 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Point Loma Electric Plumbing Heating & Air
Point Loma Electric Plumbing Heating & Air
4.2(
163
)
Tankless Water Heater - Repair

Serving National City, CA and surrounding areas

Approved

In business since 1988

Free estimates

Emergency services offered

"Great experience. They were quick to respond and completes the work within a couple hours. They identified where the leak was, the root cause, replaced the pipe and we weee back in business!"
Pipe Install
Pipe Install
Dual Sweep Cleanout
Pipe Install
Pipe Install

+38

Response time10 hrs
359 neighbors recently requested a quote
Recommended by76%of homeowners
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