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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 David Drain and Sewer
David Drain and Sewer
4.4(
135
)
Water Heater - Repair or ServiceWater Heater - Install or ReplaceWater Heater - Install or Replace - For Business

Serving Ossining, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Emergency services offered

Warranties offered

"Was able to come the same day. He picked up and installed a new gas hot water heater and the Installation costs were very reasonable. Would highly recommend. He even called after the installation to make sure I was getting hot water and there were no leaks."
Recent Work
Recent Work
Recent Work
Recent Work
Recent Work

+10

Response time4 hrs
Response rate99%
1 neighbors recently requested a quote
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!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+41

1 neighbors recently requested a quote
Recommended by44%of homeowners
Avatar for NY Connect Plumbing & Heating
NY Connect Plumbing & Heating
4.6(
50
)
Water Heater - Install or ReplaceWater Heater - Install or Replace - For Business

Serving Ossining, NY and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Edwin followed up quickly and set accurate expectations regarding his arrival time and project cost. Despite being challenged by an old, rusted infrastructure, he maintained a positive, can-do attitude. The work was completed in a professional manner; cleanup was complete. We have already identified opportunities for future engagement."
Weil Mclean ultra 550
Navien Combi Boiler Install
Foxwoods
Foxwoods
Response time10 hrs
1 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Cassidy Plumbing and Heating, Inc
Cassidy Plumbing and Heating, Inc
4.5(
32
)
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

"Finally! After an overall fiasco with an installation of a water heater, someone who has experience, expertise and business ethics came to fix the issue. Dave identified the problem, installed the temperature regulator on the water heater. Extremely neat, cleaned up, breaded and zip tied dangling wires. Gave a full detailed invoice after his work. Will definitely use him in the future!"
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

"I can do all the basics on my boiler. But he's the only one who showed app on time. Completed the job and I'm happy as health. I will recommend him to everybody. I'm a harbor flowing contractor any time. I can pass some business. Don't get this young man, I'm going to do it. Thank you , thank you , thank you"
Response time10 hrs
Response rate93%
5 neighbors recently requested a quote
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Water Heaters FAQs, answered by experts

It takes between one and three hours to replace a hot water heater element, depending on whether you hire a pro or do the work yourself. For example, a professional plumber with all the necessary tools and experience can often finish the job in one to two hours, whereas DIY will take two to three hours because it'll involve more preparation and troubleshooting.

An average-sized empty water heater weighs around 150 pounds. Tankless water heaters are much lighter, weighing between 10 and 50 pounds. The smaller size and added convenience come at a price, though—tankless water heaters average about twice the price of their traditional counterparts.

Replacing facilitates energy savings, decreases repair frequency, and aligns with modern safety regulations, maximizing safety.

The time it takes to install or replace a water heater depends on the type of heater and the complexity of the job. A professional can typically replace a standard tank-style water heater in one to three hours. However, if the work area is tight, such as a small closet or crawl space, the job could take four to five hours. Replacing an existing tankless unit takes about two to three hours, while upgrading from a tank-style to a tankless water heater is more complex and can take four to six hours. The project will take longer if you are switching fuel sources, such as installing a gas heater which can add about an hour to the timeline, or if the unit needs to be relocated.

No, boilers and water heaters are not interchangeable because they serve different primary functions. Boilers are used for central heating systems, providing hot water or steam to heat your home. In contrast, a water heater's purpose is to supply hot water for daily household use, such as for faucets and showers. A water heater alone cannot supply the warm water or steam needed for a central heating system.

While they are not interchangeable, it is common to have both a boiler and a water heater. In fact, a conventional boiler often works best when a water heater system is already in place. The two systems can be combined to provide both heating and hot water, either by pairing a boiler with an indirect water heater or by installing a premade combination boiler-water heater unit. For home heating, some homeowners may also opt for a furnace instead of a boiler.

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.