Top-rated tankless water heater installers.

Get matched with top tankless water heater installers in Oceanside, CA

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

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

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

Serving Oceanside, 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 WATER HEATER SOS
WATER HEATER SOS
5.0(
17
)
Tankless Water Heater - Install

Serving Oceanside, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"Unbelievable customer service. I’ve needed a new water heater for a while, been calling around for quotes. And this was the best!! They came out within a day and took out the old water heater and installed the new one within a few hours. Their customer service was top notch, their install was great and their clean up was very thorough and best of all was the price!"
Phyn Install
Phyn Install
Water Heater
Water Heater
Response time8 hrs
Response rate98%
29 neighbors recently requested a quote
Avatar for Jax Mechanical
Jax Mechanical
4.8(
27
)
Tankless Water Heater - Install

Serving Oceanside, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Michael offered great advice on where to place our new tankless heater and his team did a great job executing. There were a few hiccups that came with replacing the old tank heater and working with the old plumbing of the home, but Jax Mechanical were able to solve any problems that popped up. Michael was also proactive in the initial discussion and found that our PRV needed replacing which was something we were glad he found before it led to any long term issues."
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 - Install

Serving Oceanside, CA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Great job. Anthony did a complete review of the house and the current venting and recommended the proper size for the AC. The installers and electricians came 3 days later, did additional wiring and piping and installed the entire system in 5 hours."
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
11 neighbors recently requested a quote
Recommended by92%of homeowners
Bob Jenson Air Conditioning Inc.
4.9(
169
)
Tankless Water Heater - Install

Serving Oceanside, 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 Airtime Plumbing Heating & Air
Airtime Plumbing Heating & Air
4.8(
29
)
Tankless Water Heater - Install

Serving Oceanside, CA and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

At Airtime Plumbing, Heating & Air, we believe taking care of your home starts with listening, explaining your options, and doing the job right. We’re a family-owned company serving North County San Diego and Riverside County.\n\nOur team repairs and services all brands of air conditioning and heating systems and installs AC units, furnaces, heat pumps, mini-splits, and ductwork. We also handle plumbing repairs, leak detection, drain cleaning, sewer repair, whole-home repiping, traditional and tankless water heaters, and water filtration and softening.\n\nYou can expect honest recommendations, clear pricing before work begins, and a team that respects your home and your time. From routine maintenance to major repairs, we help you stay comfortable, protect your home, and make informed decisions without pressure.\n\nCall 951-541-0151 to schedule a free estimate. Comfort you can count on.

Tankless Water Heater
Kitchen Clean out
Tankless Repair
Tankless Repair
Tankless Repair

+2

5 neighbors recently requested a quote
Recommended by65%of homeowners
Avatar for Personal Plumbing, Inc.
Personal Plumbing, Inc.
4.6(
71
)
Tankless Water Heater - Install

Serving Oceanside, CA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"I've had to repeatedly call for plumbing service to clear a washing machine drain pipe, which is part of very old plumbing in a rental unit I own. With a previous plumber, they kept removing a replacing the fitting to the drain pipe. Personal plumbing simply installed, efficiently and at a reasonable cost, a drain clean-out (and I may not be remembering the exact name of this simple part). I called them after a good experience when they installed a new tankless water heater in my home."
Bathroom remodel
Response time5 hrs
6 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Anderson Plumbing Heating & Air Conditioning
Anderson Plumbing Heating & Air Conditioning
4.4(
1,030
)
Tankless Water Heater - Install

Serving Oceanside, CA and surrounding areas

Approved (Corporate)

In business since 1978

Free estimates

Emergency services offered

"I contacted Anderson Plumbing Heating & Air, a honest and trustworthy company after I realized at the last minute I needed a refrigerator water line assessment and they quickly sent Miguel to my home who noticed upon assessment inspection the water pressure was unsatisfactory and recommended replacing the water pressure valve in addition to the refrigerator water line. Miguel was absolutely amazing , a breath of fresh air, very easy to work with, and managed to accommodate my water line hookup needs fitting me into his busy schedule. Miguel provided me with a great service experience at very reasonable price! He went above and beyond providing before and after pictures of my old and new water setup, answers all of my questions, all while providing outstanding customer service with a smile & 10/10 quality of work! Thank you Miguel for a great refrigerator water line hook up experience !!"
7 neighbors recently requested a quote
Recommended by83%of homeowners
...
Showing 1-10 of 145

The Oceanside, CA homeowners’ guide to tankless water heater installations

From average costs to expert advice, get all the answers you need to get your job done.