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

Avatar for All Weather Heating & Cooling
All Weather Heating & Cooling
4.5(
70
)
Water Heater - Install or Replace

Serving Mount Sinai, NY and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"Could not have gone smoother. Tech was very respectful of me and the house, did a fantastic installation and cleaned up everything as if they were never there. Gave me a full walk through and didn't leave until all was tested. New shut off valve, new flue, rehung expansion tank in a better location. Salesman stopped by during the installation to check on things. As it turns out, I believe they were the first to contact me as well after the listing and their price held up. All A+!"
Additional Photos
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+13

Response time3 days
7 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for RDS Plumbing and Heating
RDS Plumbing and Heating
4.7(
146
)
Water Heater - Install or Replace

Serving Mount Sinai, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Small jobs welcome

Offers commercial services

"Had an excellent experience. He replaced my boiler and water heater and did a flawless job from start to finish. Super professional, showed up on time, explained everything clearly, and the work was clean and efficient. The new system runs perfectly, and the installation looks great. Pricing was fair and there were no surprises. It’s hard to find tradespeople this reliable—highly recommend and would 100% use him again."
Response time7 hrs
Response rate86%
Recommended by49%of homeowners
A&M Plumbing & Heating
4.8(
12
)
Water Heater - Install or Replace

Serving Mount Sinai, NY and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

We are a locally owned and operated business committed to providing exceptional service, quality workmanship, and honest communication on every project we undertake. Our experienced team takes pride in delivering customized solutions tailored specifically to meet each client's unique needs. We value integrity and reliability, ensuring every job is completed to your satisfaction. Our goal is to build lasting relationships with our customers through consistency, professionalism, and outstanding results. Let us show you why homeowners continually choose us as their trusted service provider.

Avatar for Mayjac Plumbing, Inc.
Mayjac Plumbing, Inc.
4.6(
15
)
Water Heater - Install or Replace

Serving Mount Sinai, NY and surrounding areas

Approved

In business since 2015

Small jobs welcome

Offers commercial services

"For years I have wanted to update my very old and inefficient American Standard cast iron boiler. I was very fortunate to find Mr Joe Burriesci the owner of Mayjac Plumbing who took the time to evaluate the best options, since the old boiler handled two apartments. We collectively decided to go with two Navien Combi Condensing Boilers, but the best part of the entire process was how meticulous the installation was done. From start to finish Mayjac Plumbing kept every promise and timeline made. I highly recommend Mayjac Plumbing..."
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 Abstract Plumbing, Heating and A/C
Abstract Plumbing, Heating and A/C
4.5(
40
)
Water Heater - Install or Replace

Serving Mount Sinai, NY and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Abstract repaired a slow leak in a drain pipe within the ceiling of my home. They came to my home and determined the cause of the leak the same day I called. I had a price the following morning and the work done that same day, i.e. within 36 hours of my initial contact the job was completed. The work was done quickly and effectively with due care about collateral damage. Clean up was well done. Joe and Raymond were professional throughout."
Response time3 hrs
7 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Suffolk Pro
Suffolk Pro
5.0(
12
)
Water Heater - Install or Replace

Serving Mount Sinai, NY and surrounding areas

Approved

In business since 1985

Credit card accepted

Suffolk Pro Plumbing & HVAC (631)640-1920 provides professional plumbing services throughout Suffolk County, NY. We specialize in water heater installation and replacement, plumbing repairs, leak detection, toilet repairs, faucet installations, drain services, and emergency plumbing.\n\nWe believe in honest pricing, clear communication, and doing the job right the first time. Every home is treated with respect, and we leave every work area clean when the job is complete.\n\nWhether you need an emergency repair or a planned installation, you can count on dependable workmanship, quality materials, and outstanding customer service.

Plumbing Services
Lower Level Kitchen
Lower Level Kitchen
Stove and Top
Counter top

+4

24 neighbors recently requested a quote
...
Showing 1-10 of 183

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