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

Avatar for Mayjac Plumbing, Inc.
Mayjac Plumbing, Inc.
4.6(
15
)
Tankless Water Heater - Repair

Serving Montauk, NY and surrounding areas

Approved

In business since 2015

Small jobs welcome

Offers commercial services

MayJac Plumbing INC. is a family-owned and operated plumbing company that has proudly served our community since 2017. We are fully licensed and insured and are committed to providing dependable, high-quality plumbing services with exceptional attention to detail. \n \nAs Navien Service Specialists, our team has the training and hands-on experience to handle everything from everyday plumbing service and repairs to water heaters, renovations, and larger plumbing projects. \n \nAt MayJac Plumbing, we believe in treating every home and property as if it were our own. That means clear communication, honest service, quality workmanship, and respect for your property from start to finish. \n \nWhether you need a trusted plumber for your home, property, or next project, you can count on MayJac Plumbing INC. to provide the service and quality you deserve. \n \nQuality Plumbing. Dependable Service. A Local Company You Can Trust. \n \nCall 631-909-1829 today to discuss your plumbing needs.

Before Installations
After installations
Whole House PVC Piping 7
Whole House PVC Piping 6
Whole House PVC Piping 5

+16

Response time10 hrs
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Handy Hubby
Handy Hubby
3.3(
43
)
Tankless Water Heater - Repair

Serving Montauk, NY and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"I had a handyman replace my sink and vanity in the bathroom of my home. He was very reliable. He took ownership and returned to fix a leaky faucet. He took care of the issue immediately. Fantastic customer service."
Stand Alone  Structure
Painted wood porch
Large deck and covered area
Large deck and covered area
Before - Pad removed

+5

Recommended by78%of homeowners
HomeServe of Long Island
2.5(
1
)
Tankless Water Heater - Repair

Serving Montauk, NY and surrounding areas

Approved

In business since 2003

Free estimates

Credit card accepted

HomeServe Energy Services (HES) provides reliable heating and cooling experts that service over 1,000 communities in 26 counties across New York, Massachusetts and Rhode Island, from five “depot” sites supporting metro New York, southern New Jersey, Rhode Island and eastern Massachusetts. With almost 200 technicians (including certified refrigerant handling technicians and NATE-certified technicians), HomeServe provides emergency heating, cooling and water heater repairs as well as tune-ups and new equipment installations. \n

Avatar for MFS PLUMBING AND WATER HEATER CO.
MFS PLUMBING AND WATER HEATER CO.
5.0(
17
)
Tankless Water Heater - Repair

Serving Montauk, NY and surrounding areas

In business since 1987

Free estimates

Emergency services offered

"I cannot recommend Mark more! We called him for a dishwasher installation and pipe repair. He quoted us reasonably - and was generous with his work and time when what we thought was a simple job turned out to be much more complicated. He was absolutely a pleasure to work with - communicative about the issue and his solution, flexible with scheduling, and just an all-around nice guy. We will not be hesitating to call him in the future - our go-to-guy for all plumbing needs."
Additional Photos
Recommended by100%of homeowners
Avatar for APV Mechanical Inc
APV Mechanical Inc
4.8(
89
)
Tankless Water Heater - Repair

Serving Montauk, NY and surrounding areas

In business since 2005

Free estimates

Credit card accepted

",ther plumber
Upon my initial call to APV Mechanical I received a call back within 10 minutes from Tony the owner. I explained that I didn't have any hot water at all. Tony understood the situation immediately and said he could come by the same day within a few hours. This blew me away bc I had called someone with whom I had done business with in the recent past who quoted me a price that was astronomical and wasn't sure when he could get to it. I also called a plumber that I didn't know who said they wouldn't be able to come out to even look at the job for 2 days and that a quotation and "service call" would be $99.00 and that "maybe", if I had the work done, I would receive a credit for the $99.00 fee off of the final bill. I said thanks but no thanks, I'll take my chances with someone else. Then I called APV, never heard of them and never did business with them before, just got them off of Angies list. WOW, what a find!!. Tony and his assistant came when they said, couldn't be nicer or more personable. They were in and out within two hours and price was fair and exactly what he quoted over the phone. They worked neatly and professionally. When everything was finished they stayed and tested the system. There was a minor snag but they stayed until it was right and worked properly.
Tony knows his business, is proud of it and was very appreciative of the work. I would not hesitate one second to recommend  them for this type of work. If you live in this area, use them because you will get a fair price and top quality work.
I have used Angies List a few times now over the past several years and have generally had great results. Unfortunately the other vendors also had good ratings on Angies list but  turned out to be just awful. I will definitely call APV the next time I need heating or cooling work.
APV is the real deal and you won't be disappointed.
"
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+2

Recommended by91%of homeowners
Avatar for Braido Heating & AC
Braido Heating & AC
5.0(
25
)
Tankless Water Heater - Repair

Serving Montauk, NY and surrounding areas

In business since 1978

Emergency services offered

Credit card accepted

"Repairman, Andrew, came and located the problem. The ignitor had burned out, so the burners would not light. Andrew did not have the part in his truck but was able to fit in a used part from another furnace to give me heat until he got the other part. I got a call the next day and scheduled a time to put in the exact part. Again, repairman was within the stated time window. Heat working well."
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Recommended by100%of homeowners
Avatar for Central Suffolk Mechanical LLC
Central Suffolk Mechanical LLC
4.8(
22
)
Tankless Water Heater - Repair

Serving Montauk, NY and surrounding areas

In business since 2009

Free estimates

Emergency services offered

"I've been using Central Suffolk Mechanical for my AC and heating maintenance for a number of years at 2 houses in Suffering lol County. Work is always performed professionally and timely. Extremely reliable service. Also had a hot water heater and a central AC unit installed, again done professionally and at the time and price promised. I highly recommend Joe and his crew for all HVAC needs."
Recommended by95%of homeowners
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