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TRUSTED BY MILLSTONE, NJ HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon76
    Verified water heater services reviews

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

Garden State Water Heaters
4.5(
521
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Millstone, NJ and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

Our experience is serving our customers with 100% satisfaction on every project we take on. We will give you the peace of mind you need and deserve. Garden State Water Heaters, happily services the community with integrity, professionalism, and competitive pricing. We are fully licensed and insured, and have built a reputation for quality work with each satisfied customer. Thank you for the opportunity to introduce you to our company.

Water Heater Install
Water Heater Install
Water Heater Install
Water Heater Install
Water Heater Install

+1

Recommended by81%of homeowners
Avatar for Garden State Water Heaters
Garden State Water Heaters
4.5(
521
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceTankless Water Heater - Install+5 more

Serving Millstone, NJ and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Anthony and Roger, the Plumbers, are friendly, knowledgeable, and proficient. They assessed the area of the water heater. Simultaneously, they shared their problem-solving skills and quickly devised the best action. I recommend Garden State Water Heaters to family and friends."
Bradford White Water Heater
Water Heater Install
Water Heater Install
Water Heater Install
Water Heater Install

+7

Response time3 hrs
Response rate86%
201 neighbors recently requested a quote
Avatar for Raymond James Hoben Plumbing & Heating, Inc.
Raymond James Hoben Plumbing & Heating, Inc.
4.9(
52
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceTankless Water Heater - Repair+3 more

Serving Millstone, NJ and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: Quick response

"I used them to replace a water heater. Price was good and agreed upon at estimate. They kept me notified of status and appointments. Helped with the permit process. Work was excellent. Would definitely use again. Highly recommended."
Response time11 hrs
10 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Just In Case Plumbing & Heating LLC
Just In Case Plumbing & Heating LLC
5.0(
58
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Millstone, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Warranties offered

Credit card accepted

"Alec from Aqua Sewer & Drain Service very professional when he showed up to check the water leak we had. Alec diagnosed the issue and said we needed an expansion tank since it cracked and that’s where all the water was leaking from. He said we don’t need a water heater because that is functioning properly. He took some pictures and then went to get the parts and came back within 30 mins and started the work. You can tell he really knew what he was doing. He had all the right tools in his work truck. He removed the old expansion tank and put in the new expansion tank and a shut off valve and he also strapped the expansion tank so it got added support. He also check the water pressure and looked for leaks before he left. We had this issue Friday night around 11pm and we call his company Saturday morning and he should up at 8am. It took about 2 hours before he finished. Alec was very knowledgeable, he also wore booties on his shoes in our house. I would recommend Aqua Sewer & Drain Services to anyone who has any plumbing issues. We live in South Brunswick NJ."
Plumbing Project
Plumbing Project
Before
Basement Bathroom
Water Heaters Project

+14

Recommended by46%of homeowners
F.S. Plumbing, Heating, & General Contracting, Inc.
4.6(
145
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessWater Heater - Install or Replace+1 more

Serving Millstone, NJ and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"When we were short on hot water and our furnace was on the way out, I contacted the The SaveGreen Project. They provided a list of contractors, and after numerous calls finally got through to a contractor that understood the program. Greg thoroughly explained the process, and even walked me the process, guiding us through from initial application process to final walkthrough. When Greg came out to assess our situation, he was very professional and extremely honest. He offers the best prices and uses high quality brands. His experience speaks for itself, he was the only contractor who told us we can install a tankless water heater. Additionally, he was able to help us with our failing furnace and provided one of the top systems for an extremely reasonable price. His staff is professional and clean. They put cover grip cloths to protect the floors, and were very careful when handling the equipment. Before installing the furnace and air purifier he performed a full duct cleaning. His staff was nothing short of excellent; they team showed up on time, worked efficiently, and the results speak for themselves. The level of communication speaks for itself, any questions or concerns we had Greg took the time to address and ensure we were completely satisfied. For anyone in need of plumbing, electrical work, or for any HVAC service, I highly recommend Greg and his team."
Rinnai Recirculation 95% efficient Tankless
Another Old tank style heater sent to the junkyard
Response time1 day
Recommended by83%of homeowners
Avatar for Right on Home Improvements, LLC
Right on Home Improvements, LLC
4.3(
70
)
Tankless Water Heater - RepairWater Heater - Repair or Service

Serving Millstone, NJ and surrounding areas

Approved

In business since 2013

Warranties offered

Credit card accepted

We at Right on Plumbing, Heating, Air & Home Services have been in business for 10+ years. We offer all Plumbing and HVAC services, install standard and tankless water heaters, boilers and furnaces, AC and mini splits, duct work, water filtration systems, gas lines, sump pumps, plumbing fixtures and more! We look forward to giving you a world class customer service experience from the initial phone call through the finished project. Give us a call 609-709-7702 today! We look forward to hearing from you.

Recommended by96%of homeowners
Avatar for Arctic Air Conditioning
Arctic Air Conditioning
4.8(
867
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Repair+1 more

Serving Millstone, NJ and surrounding areas

Approved (Corporate)

In business since 1977

Free estimates

Emergency services offered

"Went amazing because Sammy is the best - he noticed my hot water heater was not safe and on the way out and immediately was able to arrange for a ASAP install— Sammy is a treasure to Artic Air -they are both the best - using Artic for over 30 years- best customer service"
photos
photos
photos
photos
photos

+6

16 neighbors recently requested a quote
Recommended by96%of homeowners
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Water Heaters FAQs, answered by experts

In most municipalities, a license is not mandatory for water heater installation or replacement. However, we strongly recommend hiring a licensed plumber or water heater installer to handle the work. Licensed installers are far less likely to make a mistake during the installation, which means paying for the experience decreases your risk of a leak and other issues. You can use our state licensing tool to find out if a contractor you’re considering in your area holds a plumber’s license.

You don’t have to replace expansion tanks at the same time as your hot water heater. You may be able to go six to 12 years or more before needing to replace your expansion tank. At $150 to $450, hot water heater expansion tanks are usually much more affordable than the cost of hot water tanks themselves, which average about $1,190.

Yes, this would be an appropriate choice. In order to comply with the National Electric Code’s rules, you'll need to install a circuit breaker that's 125% larger than the intended load. In this case, you'll multiply 30 amps by 1.25 to find the necessary breaker size. Plugging that equation in for your 30-amp water heater will leave you with a 37.6-amp breaker. If your current water heater keeps tripping the breaker, it might be time to talk to a plumber or electrician about upgrading your water heater's setup.

No, you’ll need to drain the tank before changing a water heater element, as the water heater element sticks through the side of the tank and uses a gasket to prevent water from pouring out. However, you don’t always need to drain it completely. If you’re only replacing the upper heating element, you can drain the tank until the water line is below the element. If you’re replacing the lower element, you’ll need to drain the whole thing.

A well-maintained hot water recirculating pump can last 5 to 15 years. Pumps that run continuously may have a shorter lifespan than demand-controlled models. Hard water can reduce longevity by causing mineral buildup in the pump and pipes. Regular maintenance, such as cleaning or replacing filters, can extend the pump’s lifespan.

The Millstone, NJ homeowners’ guide to water heater services

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