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Top-Rated Water heater installers and replacers in Mahwah - Updated Nov 2026

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

Serving Mahwah, NJ and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"Ralph and his assistant Peter are our go-to for all of our plumbing needs. We have an older home with older pipes and fittings and they have fixed or replaced our toilets, faucets, bathtub, pipes, values, etc. You name it, they've touched it. Ralph discusses all options, explains the problem and potential solutions, and brings decisions to the homeowner to make (most plumbers and contractors that I have worked with before will make the decision and not let you know about it). Ralph shows up on time, is reasonably priced, and always picks up the phone (and responds to texts, which is a big plus for me). He doesn't shy away from difficult problems and can even recommend contractors for other types of work that need to be done. Ralph is the best for emergencies as well; he talks through problems over the phone and shows up in a reasonable amount of time. Highly recommended!"
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+47

Response time7 hrs
Response rate100%
1 neighbors recently requested a quote
Z BEST PLUMBING & HEATING
5.0(
22
)
Water Heater - Install or Replace

Serving Mahwah, NJ and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"I had a leak in my bathtub after a day of cleaning. It was more than inconvenient, so I reached out to Angie’s List and Harold at Zbest Plumbing was one of the recommended on the list. He called me and was extremely friendly and offered to come the next day. I was very desperate and agreed to hold off until the next day so I could compare some prices and clean up after trying to fix the problem on my own. He then offered to come right then and there after thinking about it to at least look at the issue and decided to make me an offer so good I couldn’t turn it down and managed to not only remove the old pipes and shoe that was stuck under the tub but replace the entire system in a matter of hours. I couldn’t be more grateful for this man and will definitely be reaching out to him in the near future for any work I have in the house.please call Harold at Zbest plumber because he is in fact Zè-best"
All Pipeworks Plumbing & Heating, LLC
4.4(
150
)
Water Heater - Install or Replace

Serving Mahwah, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2003

Free estimates

Credit card accepted

"Complete install of new house heating and hot water system. Kept me up to date on project. Work was done very well. Would highly recommend to anyone looking for a plumber. I had met with Erik to get an estimate and before I hired him for the job, my neighbor's hot water heater needed to be replaced, I suggested Erik. He was there the next morning to replace the water heater. After seeing that, I hired him to do my complete heating system overhaul. I was not disappointed. I will not hesitate to call Erik for my next plumbing need."
Response time4 hrs
83 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for All Weather Heating & Cooling
All Weather Heating & Cooling
4.5(
70
)
Water Heater - Install or Replace

Serving Mahwah, NJ and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"James Stone was really good. We had a little confusion about the rebate for the original furnace they were going to install but we came to an agreement and I received half of the rebate due to me not being qualified for the full rebate. I was more than satisfied and they were very accommodating. Everything is working great. He went out of his way to make me satisfied. Thank you for giving me this company's information."
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+13

Response time3 days
7 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Premier HVAC Services
Premier HVAC Services
4.3(
229
)
Water Heater - Install or Replace

Serving Mahwah, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"I had an issue with my stream boiler last Saturday. Did a google search and called multiple companies except Lighthouse (also part of Premier HVAC) picked up the phone right away and the tech Slava (unsure if I spelled his name correctly) showed up an hour after my call. He was very knowledgeable. He first did a thorough inspection on my streamer boiler (I thought mine was called furnace but he corrected me and luckily Lighthouse also repair stream boiler), then giving options (replace the water feeder and side glass or the whole stream boiler since mine was already past 30years and it may not last long). Due to budget issue, after discussed with my family, we chose for now just changed the parts. Slava has no problem with that and I got lucky that he was about to arrange time to have the work done the same day. Slava is also very patient and professional. As he learned that I am new to streamer boiler, while he was doing his work, at the same time, he was giving “a lecture “ in terms of names, functions of each parts and the concept of how the stream boiler works and how to maintain it properly. I gotta be honest that I don’t recall all the he mentioned but at least now I have a concept. In terms of the price, I can’t say that it’s cheap but you pay for the quality of service that you get. Slava literally taking his time and spent about 4 hours to repair. Highly recommend."
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+38

Response time1 day
Response rate100%
1 neighbors recently requested a quote
Avatar for AJ Perri, LLC Plumbing
AJ Perri, LLC Plumbing
3.8(
479
)
Water Heater - Install or Replace

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
Avatar for NJ PLUMBING AND HEATING GUYS LLC
NJ PLUMBING AND HEATING GUYS LLC
4.1(
16
)
Water Heater - Install or Replace

Serving Mahwah, NJ and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Travis and Elvis were very professional on the phone. Travis provided detailed information and answered all of my questions to better help me understand between options when I was choosing a new water heater for my home. Travis provided me with a free estimate and stayed within the price range we agreed to when completing the job. The water heater was installed in a timely manner. I also received a follow up phone call to check how the water heater was working and if I had any questions which I appreciated. I would definitely recommend hiring this company and plan to use them again in the future."
30 neighbors recently requested a quote
Avatar for Advanced Professional Management, LLC
Advanced Professional Management, LLC
4.2(
939
)
Water Heater - Install or Replace

Serving Mahwah, NJ and surrounding areas

Approved

In business since 1999

Emergency services offered

Warranties offered

"This was probably my best experience on Angie's List. I woke up and noticed there was no hot water in the house. Went to the basement and noticed the hot water heater was leaking. I called up Advanced Professional Plumbing, told them what was going on and gave them the specs of the hot water heater. 20 minutes later a technician showed up (a very nice guy named Joey). He inspected everything and showed us the cause of the issue. He gave us a few options on what to do and we decided to replace the 75 gallon hot water heater. Within an hour, Joey came back with Sam and they replaced the old water heater with a new one. They were both professional and got the old hot water heater without making a mess and replaced with a new one. After the job was done, Joey tested all the bathrooms out to make sure the pressure was good and we paid and they were on their way. They were fast, efficient, explained everything and it was a great price. You really can't beat that. Your hot water heater breaks down on a Saturday you are not expecting hot water for the rest of the weekend but Advanced Professional Plumbing delivered. I appreciated the office following with me to make sure everything went. Just an overall class business."
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+33

Response time11 hrs
Response rate100%
8 neighbors recently requested a quote
Avatar for Gashi Plumbing, Heating & Sewer, LLC
Gashi Plumbing, Heating & Sewer, LLC
5.0(
16
)
Water Heater - Install or Replace

Serving Mahwah, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"I called Gashi Plumbing at 9 am after noticing water coming out the wall from my kitchen. I said it’s an emergency, he came just in time at 10:30 and explain to me everything. He did the job in less than 1:15 minutes which included some extra surprises after checking the pipes. Daniel was so professional and honest. The price was so fair. I just want to mention that he did not want to charge me on something that was not needed after checking something else in my bathroom. He just explained how it will be fixed by replacing the top piece. I am so happy that my call was answered and definitely keeping him for my future plumbing needs and I recommend him."
Response time6 hrs
Response rate99%
115 neighbors recently requested a quote
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