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Top-Rated Water heater repair or service pros in Mahwah - Updated Nov 2026

Avatar for Ralph Maresca Plumbing & Mechanical LLC
Ralph Maresca Plumbing & Mechanical LLC
4.9(
151
)
Water Heater - Repair or Service

Serving Mahwah, NJ and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"Ralph and helper Peter arrived on time, went right to work, highly skilled, kept area neat and cleaned up fully after finishing, improved work done by previous plumber, also did two unrelated plumbing repairs for washing machine and a hot water line. Dealt with 1955-built house conditions, first rate results. Very happy with heater, work performance, cleanup, and price. Old heater pickup done separately."
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+47

Response time7 hrs
Response rate100%
1 neighbors recently requested a quote
All Pipeworks Plumbing & Heating, LLC
4.4(
150
)
Water Heater - Repair or Service

Serving Mahwah, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2003

Free estimates

Credit card accepted

"Erik replaced my water heater. What I particularly liked about his work was that there was ZERO upselling tactics. I paid exactly what he quoted, EVEN though he had to bring in his own vent elbow (because the one I had fell apart) and had to use a Sharkbite instead of soldering because my whole house shutoff would not completely shut off water. If I need water heater replacement again, I would not hesitate to call him. I highly recommend him."
Response time4 hrs
83 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Premier HVAC Services
Premier HVAC Services
4.3(
229
)
Water Heater - Repair or Service

Serving Mahwah, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"I had a great experience with Premier HVAC replacing my old and leaking water heater. I was impressed that they were able to respond quickly and start working on the same day as my call, especially given the severely cold weather and other plumbers being busy replacing freezing pipes. The plumber was able to work with my very tight kitchen space and narrow hallways, and without having to remove the countertop in my kitchen. I am satisfied with the installation and would definitely consider Premier HVAC for future plumbing needs."
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+38

Response time1 day
Response rate100%
1 neighbors recently requested a quote
Avatar for All Weather Heating & Cooling
All Weather Heating & Cooling
4.5(
70
)
Water Heater - Repair or Service

Serving Mahwah, NJ and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"I was very happy with my service call today! The repairman, Scott, was knowledgeable and pleasant and wore a mask and gloves throughout., so I felt safe, despite the pandemic. He serviced both of my central air systems and diagnosed the problem with the malfunctioning one and fixed it. By the time he left my house was already a much more pleasant place to be!"
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+13

Response time3 days
7 neighbors recently requested a quote
Recommended by94%of homeowners
Integrated Home Services
4.7(
659
)
Water Heater - Repair or Service

Serving Mahwah, NJ and surrounding areas

Approved

In business since 2020

Credit card accepted

Offers commercial services

Welcome to our profile. Integrated Electrical Solutions is a full service electrical house. We do great work, at a fair price. Our pricing is very simple: we charge a $175 service fee, and $150 per hour for Lead Electricians, $115 per hour for Second Electricians, and $85 to $95 per hour for Helpers. , plus parts for electrical, drain work and appliances. We service all brands of portable and stand by generators. Work before 6 am as well as night after 6pm, weekends and holidays is subject to additional charges. We normally charge $125 to clean dryer vents and that's it. We provide outstanding, well equipped mechanics, who know their jobs. YOU GET WHAT YOU PAY FOR- TOP SHELF FIVE START SERVICE. Integrated Electrical Solutions is a fully licensed and fully insured electrical company. We do emergency work 24/7, 365. When you want the best and you want it done right the first time, call us. thank you!

30 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for AJ Perri, LLC Plumbing
AJ Perri, LLC Plumbing
3.8(
479
)
Water Heater - Repair or Service

Serving Mahwah, NJ and surrounding areas

Approved (Corporate)

In business since 1971

Credit card accepted

Customers say: True professional

"Robert Kula came out with helper Jason Valles to remove and replace my water heater. Not only did they arrive on time and clean up after themselves, they took the time to go over the new water heater shut off valve and alarm. They helped me install the app on my phone. They both provided my with excellent service. Not to mention, the price was outstanding. I would absolutely recommend them and will be using them for all my future plumbing needs."
New System Installation
Drain Repair
Response time8 hrs
Recommended by74%of homeowners
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Showing 1-10 of 164
FAQs for water heater repair or service projects in Mahwah, NJ

Warning signs include fluctuating water temperatures, a pilot light that repeatedly goes out, unusual noises from the tank, or complete heating failure. You might also detect a rotten egg smell, indicating a potential gas leak, or notice water that never reaches the proper temperature. If your water heater is over eight years old and displaying these symptoms, the gas valve is a likely culprit. Professional inspection is recommended, especially if gas odors are present.

Water heater gas valves are not universally interchangeable. Each valve must match your specific water heater's make, model, and specifications. Important compatibility factors include gas type (natural gas vs. propane), BTU rating, connection types, and physical dimensions. Using an incorrect valve can result in poor performance, premature failure, or dangerous gas leaks. Always consult your water heater's documentation or a professional plumber to identify the appropriate replacement valve for your unit.

The Mahwah, NJ homeowners’ guide to water heater repair or services

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