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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon63
    Verified water heater services reviews

Top-Rated Water heater pros in Ossining - Updated Nov 2026

Avatar for Aldos plumbing
Aldos plumbing
5.0(
35
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Ossining, NY and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

"When we realized our water heater was leaking, Aldo's was fast both to respond to the inquiry and to get us a replacement; within 36 hours, we were back to having hot water with a new tankless setup. Pricing was within the range we expected and the team was very communicative; I'd hire Aldo's plumbing again!"
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+41

1 neighbors recently requested a quote
Recommended by44%of homeowners
Wilson Plumbing and Heating
4.7(
12
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Ossining, NY and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Very professional from Start to finish. He evaluated the overall problem, made recommendations for repair, upon agreement, he got busy and was done in no time at all. Plus cleaned up before he left. Very Happy with his work and my pipes not longer leak !!!"
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Response time1 day
Response rate100%
Recommended by66%of homeowners
Avatar for Cassidy Plumbing and Heating, Inc
Cassidy Plumbing and Heating, Inc
4.5(
31
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Ossining, NY and surrounding areas

Approved

Super Service Award Winner

In business since 1992

Emergency services offered

Warranties offered

"Anji recommended four plumbers. Cassidy was the first to respond on Friday afternoon. One other plumber responded but I could not understand his heavy accent, and he asked me if I wanted him to replace the whole burner assembly. That made no sense to me and I questioned him about it. Suddenly he became "too busy" and hung up the phone. Another plumber didn't respond until Monday morning. Too late. The fourth plumber never responded at all. Cassidy asked if it was an emergency or could wait until Monday. I said Monday. and asked what time? I did not get an answer on Friday. Around 8:30P I called and got an answering service which told me that I wouldn't get a response until Monday because their office closed at 8:00P. I had asked about what time on Monday before 6:00P George arrived Monday morning. He was friendly. He knew what he was doing. He replaced the thermocouple. All work was done neatly and professionally. We have hot water again. I'd use Cassidy again."
Heating System
Heating System
Plumbing
The Team
Navien Water Heater

+3

Response time2 days
Response rate100%
8 neighbors recently requested a quote
Affordable Heating & Cooling of NY Inc.
4.3(
53
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Install - For Business+5 more

Serving Ossining, NY and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Dave saved us money and got the job done. Another company diagnosed the problem incorrectly and recommended changing a more expensive part that wouldn't have solved the problem. Dave did his own thorough assessment, found the real issue and fixed it right away. Couldn't be more grateful for heat and hot water. Thank you Dave."
Response time4 hrs
Response rate86%
10 neighbors recently requested a quote
Charles Mechanical
5.0(
37
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Install - For Business+5 more

Serving Ossining, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Credit card accepted

Offers commercial services

"Bob and Tom are great contractors. They not only did an awesome job replacing my water heater, they also identified issues in my chimney while they were connecting the vent pipe for the water heater. I will hire them again for separate HVAC projects."
Response time10 hrs
Response rate93%
9 neighbors recently requested a quote
Avatar for In Town Plumbing and Heating, Corp.
In Town Plumbing and Heating, Corp.
4.7(
33
)
Tankless Water Heater - InstallWater Heater - Install or Replace

Serving Ossining, NY and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"My old boiler was 53 years old! On its last legs. I got In town plumbings number from a neighbor who had her boiler installed by them. I called and the next day Guy was in my home assessing my situation. The next day I had a reasonable quote and the next week he was ordering my new boiler. He installed a new boiler and water tank in a day and a half! With his two employeesâ ¦.Frank and Carl. All these guys are amazing. Full disclosure I am a pain in the behind retired police officer. I ask all the silly questions. And Guy answered them all. This experience with our new boiler could not have gone better. I could go on and on. I highly recommend them for any plumbing situation."
Navien Combi Boiler Install
Navien Combi Boiler Install
Oil Fired Weil-McLain Boiler
Navien Combi Boiler Install
Weil-McLain High Efficiency Boiler

+22

Response time11 hrs
5 neighbors recently requested a quote
Recommended by89%of homeowners
Noble Plumbing & Heating, LLC
4.4(
31
)
Tankless Water Heater - RepairWater Heater - Install or ReplaceWater Heater - Repair or Service+1 more

Serving Ossining, NY and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

"These guys are supermen! Fastest response I've ever seen. Called on a Saturday afternoon and had a technician working on my heater within 30 minutes. Very professional and experienced. Gave great advice. Will be calling them for all my plumbing needs in the future. Don't hesitate to call. Thank you to Lou and Jay for all they did."
Response time4 hrs
Recommended by92%of homeowners
Ruby's Plumbing and Heating
4.2(
260
)
Water Heater - Install or ReplaceWater Heater - Install or Replace - For BusinessWater Heater - Repair or Service+1 more

Serving Ossining, NY and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

"Simple water heater replacement but Kevin Rudy and team did a great job and left me confident for the next 10 years of reliable hot water."
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+2

Response time7 hrs
11 neighbors recently requested a quote
Recommended by88%of homeowners
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Water Heaters FAQs, answered by experts

A water heater is one of the heaviest hitters in your home, and it needs as much power as possible to help it run efficiently and effectively.

Your water heater should be on its own dedicated circuit breaker, with no other power sources running to it. This is required to meet the National Electric Code–and to ensure it runs as efficiently as possible.

Choosing between an electric water heater vs. a gas water heater comes down to personal preference. Overall, electric heaters are more energy efficient than their gas competitors. They’re also quieter to operate, take up less room, and don’t come with a risk of gas leaks. 

The downside is that electric water heaters cost more to operate than gas. They might also struggle to heat water fast enough for households that use large amounts of hot water. Lastly, a power outage could cause your electric water heater to stop working, whereas gas water heaters may still function.

The lifespan of a water heater depends on its type, usage, and maintenance schedule. Traditional tank-style water heaters typically last between 8 and 12 years, though the range can be as wide as 6 to 15 years. Within this category, gas models often last 8-12 years, while electric models may last 10-15 years. In contrast, tankless water heaters have a significantly longer lifespan, often lasting up to 20 years or more. Factors like heavy usage, hard water, and sediment buildup can shorten a unit's life. To extend its lifespan, it is crucial to perform regular maintenance, such as flushing the tank annually and scheduling professional inspections. If your unit is over a decade old and shows signs of rust, leaks, strange noises, or inconsistent heating, it is likely time for a replacement.

Unless you have previous plumbing experience or extensive experience with water heaters, you should avoid replacing your electric water heater yourself. This process involves disconnecting wiring and parts from the old water heater and reinstalling them onto the new one, among other difficult tasks. This job is best left to the pros to make sure that everything is connected correctly to avoid serious leaks or malfunctions.

It is very difficult and dangerous to install your own water heater, so we strongly recommend against tackling this as a DIY project. Not only will you need to wire your water heater, but you’ll also need to connect plumbing to the intake and outlet. Sweating copper pipes and connecting wiring properly are skills most DIYers don’t have, and even if you do feel confident you can do it, working with water and electricity always leaves the potential for electrocution. Hiring a local water heater installer is well worth the investment.

The Ossining, NY homeowners’ guide to water heater services

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