Top-rated water heater repair or service pros.

Get matched with top water heater repair or service pros in Central Islip, NY

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Water heater repair or service pros in Central Islip

Avatar for RDS Plumbing and Heating
RDS Plumbing and Heating
4.6(
124
)

Serving Central Islip, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Small jobs welcome

Offers commercial services

"Rich was a life saver. My hot water heater sprung a leak at a valve at 4pm on a sunday night. Had boiling hot water leaking all over. Called RDS up and they said they would be there within the hour. Came found the problem and replaced the valve and they were back on the road by 6pm. saved me from having a very miserable sunday night. Thanks Again."
Response time7 hrs
Response rate85%
Recommended by57%of homeowners
Avatar for Varsity Home Service Company, Inc.
Varsity Home Service Company, Inc.
4.4(
242
)

Serving Central Islip, NY and surrounding areas

Approved

In business since 1962

Free estimates

Emergency services offered

"For my central A/C install. Varsity is the gold standard for professional service. Varsity works as a team who patiently brought me through the process from start to finish. I'm extremely satisfied with with the results, I will always have Varsity for my home services. Varsity earlier this year installed a walk in shower for me. The results were fantastic. In the future I will have Varsity install a hot water heater."
Shower Fixtures
Installation
Truck
Best of L.I. Winner 2024
Angi 2022 Super Service Award Winner

+86

Response time11 hrs
96 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for All Weather Heating & Cooling
All Weather Heating & Cooling
4.6(
68
)

Serving Central Islip, NY and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"I was very happy with my service call today! The repairman, Scott, was knowledgeable and pleasant and wore a mask and gloves throughout., so I felt safe, despite the pandemic. He serviced both of my central air systems and diagnosed the problem with the malfunctioning one and fixed it. By the time he left my house was already a much more pleasant place to be!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+13

Response time3 days
12 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Mr. Big Plumbing & Heating
Mr. Big Plumbing & Heating
4.9(
15
)

Serving Central Islip, NY and surrounding areas

Approved

In business since 2022

Free estimates

Warranties offered

"Andre is extremely knowledgeable. The services were performed efficiently. I would highly recommend him for other plumbing services within your home/business."
Response time1 day
Response rate90%
Recommended by100%of homeowners
Avatar for Surefire Mechanical Corporation
Surefire Mechanical Corporation
4.5(
157
)

Serving Central Islip, NY and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Called on a Sunday evening and there was a serviceman at my door by 8 AM Monday morning. Mike, the serviceman, was extremely knowledgeable, professional and courteous. Will recommend this company to anyone I know who needs air conditioning or servicing. Thanks again for the speedy service and knowledgeable serviceman who repaired the air conditioner quickly!"
4 Zone Navien Boiler
1st Floor AC System
Hi Efficient Heat and Hot Water
Snow melt sensor
Manifold

+14

Response time10 mins
Recommended by97%of homeowners
Avatar for Varsity Home Service
Varsity Home Service
4.2(
90
)

Serving Central Islip, NY and surrounding areas

Approved

In business since 1962

Free estimates

Emergency services offered

"Varsity is an exceptional company. I highly recommend them to anyone seeking water filtration or general plumbing services. What truly sets Varsity apart is their honesty, kindness, and hard work. Their dedication to their craft is evident in the meticulousness of their work. Thank you for another job well done!"
Water Filtration Systems
Heating and Air Conditioning
Toilet, Faucet and Vanity
Water Heaters and Boilers
Water Filtration Systems

+73

Response time5 hrs
2 neighbors recently requested a quote
Recommended by86%of homeowners
Country Wide Heating & Air Conditioning Corp.
3.9(
10
)

Serving Central Islip, NY and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"The owner showed up on the planned afternoon appointment day and called 20 minutes before arrival. He quickly assessed the problem with my air conditioner. Despite spending over two hours working in my attic, the price he charged was very reasonable and lower than what I anticipated. If I have any future air conditioner problems I will definitely call this owner/company."
Recommended by100%of homeowners
Avatar for BERARDI ELECTRICAL CONTRACTING, INC.
BERARDI ELECTRICAL CONTRACTING, INC.
3.7(
71
)

Serving Central Islip, NY and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"We contacted Berardi Electricals through Angi, and Leo reached out to us right away.Leo came to our house within an hour, quickly identified the issue as water damage to the main electrical box, and explained that it was an emergency situation. He returned the following week, exactly as discussed, despite bad weather, and efficiently moved the box, repaired the wiring, and provided temporary electricity until the next day. His work was exceptionally clean, efficient, and thorough, and he took the time to give us the right advice, possibly saving us from an electrical fire. We found him to be honest, knowledgeable, and true to his word. We would highly recommend Berardi Electricals to anyone looking for a trustworthy electrical work."
Lido beach NY
Lido beach NY
Lido beach NY
Response time6 hrs
Response rate91%
6 neighbors recently requested a quote
...
Showing 1-10 of 201
FAQs for water heater repair or service projects in Central Islip, NY

Warning signs include fluctuating water temperatures, a pilot light that repeatedly goes out, unusual noises from the tank, or complete heating failure. You might also detect a rotten egg smell, indicating a potential gas leak, or notice water that never reaches the proper temperature. If your water heater is over eight years old and displaying these symptoms, the gas valve is a likely culprit. Professional inspection is recommended, especially if gas odors are present.

Water heater gas valves are not universally interchangeable. Each valve must match your specific water heater's make, model, and specifications. Important compatibility factors include gas type (natural gas vs. propane), BTU rating, connection types, and physical dimensions. Using an incorrect valve can result in poor performance, premature failure, or dangerous gas leaks. Always consult your water heater's documentation or a professional plumber to identify the appropriate replacement valve for your unit.

The Central Islip, NY homeowners’ guide to water heater repair or services

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