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

Avatar for Atlantic Water Heater Pros
Atlantic Water Heater Pros
4.8(
51
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+1 more

Serving Exeter, RI and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"Bruce and Bill of Williams and Associates Mechanical Contracting recently removed and replaced my 18 year old oil fired boiler and added an indirect fired water heater. I had been saving for this project for over a year and had been geeking out in my avid research (Thanks Internet!) of products available, reviews and costs, as well as the reputation and reliability of local heating and plumbing contractors. I knew what I wanted, I just needed to stay within my budget and find a contractor I could trust. It is therefore, my pleasure to let others know, on the same web review sites that I referred to, how overwhelming pleased I am to have worked with Bruce Williams and his team. They skillfully removed and installed the heating system in a day, took pride in their work and took the time to explain the new system and to fully answer all my questions. Bruce and Bill clearly like what they do for a living, have great people skills and work very well together. I was able to get the very best of products and still come well under budget. I cannot thank these guys enough! Honest, Professional and Reliable! My dusty, unfinished basement with my new Viessmann boiler, Carlin burner and HTP indirect fired water heater is now my favorite part of the house!"
Large Mechanical Room
Response time1 day
1 neighbors recently requested a quote
Recommended by92%of homeowners
J&K Supplemental Plumbing, Inc.
4.8(
78
)
Water Heater - Install or Replace

Serving Exeter, RI and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

"I hesitated during this virus to have my water heater replaced, but John and his assistant came in with full masks, gloves, and booties, so I felt very safe. I have already recommended them to a neighbor. His price was lower than the one received by my neighbor by another service."
Repair Pvc broken toilet flange.
Recommended by89%of homeowners
Avatar for J & O Plumbing, LLC
J & O Plumbing, LLC
4.6(
107
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceTankless Water Heater - Install+5 more

Serving Exeter, RI and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"JO plumbing was great, they responded quickly and trouble shot the issues. They were efficient, clean and very polite. They are on my speed dial for any of my plumbing needs. I have often recommended them to other family and friends, who later thanked me for the referral."
Response time6 hrs
11 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for CJ's Plumbing & Heating Specialists, LLC
CJ's Plumbing & Heating Specialists, LLC
4.1(
11
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Install - For Business+5 more

Serving Exeter, RI and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Removed and disposed of old cast iron baseboard in kitchen (to make way for sliding patio doors) then supplied and installed copper piping & fittings to re-connect remaining baseboard. Chris and team always do a good clean job and I like the ease of doing business."
Installation
Master Plumber / Pipefitter
New Corner Shower unit and plumbing
Biasi B-10 5 section triple pass oil fired boiler
Laars 40 gallon indirect water heater

+14

Response time1 day
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for JMB Plumbing, LLC
JMB Plumbing, LLC
4.8(
49
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Exeter, RI and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"We needed to get a new water heater to replace ours due to our warranty being 6 years and we were on the 7th year. We checked Lowe's, Home Depot, and some other plumber's prices. The tanks are affordable but the installation fees were ridiculous. I submitted a request on home advisor and JMB Plumbing was recommended. Jim (owner) contacted me immediately and met with us the same day. He was very friendly, honest, and professional. He quoted a very fair price for the tank and installation. The next day he came back with the tank and installed it. Didn't take much time at all and left the area spotless. We are so happy we found JMB Plumbing and scheduled Jim to come back next week for another job we have been holding off on. We have had a few plumber's in the past few years and prices/quotes are outrageous. My husband and I are very pleased and proud to say, we finally have a plumber!! Hopefully we will not need one often, but when we do, we will call Jim."
Response time5 hrs
Response rate100%
Recommended by82%of homeowners
Avatar for South County Plumbing & Mechanical Inc
South County Plumbing & Mechanical Inc
4.9(
10
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Install - For Business+1 more

Serving Exeter, RI and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Jon the owner is really the best around no doubt,he tackled a job that others literally said it was too much of a job for them, others gave crazy prices off the top Of there head, south county plumbing had the plumbing supply company(Viking no hole depot crap) come out to accurately price out all the materials. Others wanted to take the shortcut and do ?pex? , Jon did all old school copper and no quick connects , everything was soldered .i can say enough , they would be at my door at 7 am sharp everyday. Withought south county plumbing is the areas best plumber , honest, neat, and quality"
5 neighbors recently requested a quote
Avatar for Reed Plumbing Llc
Reed Plumbing Llc
New to Angi
Water Heater - Repair or ServiceTankless Water Heater - InstallTankless Water Heater - Install - For Business+3 more

Serving Exeter, RI and surrounding areas

Approved

I've been a plumber for 20 plus yrs. I have experience in residential and commercial plumbing. I enjoy assisting people with whatever job they have. No job to big or small. Im punctual and have attention to detail. Whether its fixing a faucet to roughing in a new house I take my time and make sure its done right.

Single vanity upgraded to double vanity.
Bath remodel
Bath remodel
Bath remodel
Crawl space plumbing

+6

3 neighbors recently requested a quote
Showing 1-10 of 49
Water Heaters FAQs, answered by experts

Yes, you can convert a gas water heater to an electric one, but it is a complex process. You will need to ensure there is adequate power for the new electric unit, as they require more power than gas models. The project also involves safely closing off the gas lines and ventilation, and some cities may require a permit for the conversion. The cost can range from $1,500 to $4,100, depending on the installation scope, plumbing and electrical work, and the water heater model. For an accurate quote, it's best to contact a local professional. Also, be aware that your monthly utility bills may increase after the conversion, as natural gas is typically cheaper than electricity.

The average cost to install a new water heater is approximately $1,300, with a typical price range between $880 and $1,800. The final cost depends on several factors, including the type and size of the unit, its location and accessibility, and the amount of labor required. For example, installing a unit in a tight space like a crawl space can increase labor costs. The type of water heater significantly impacts the price: while a conventional gas heater might cost less than $1,000, tankless models can cost around $2,600 to install (and up to $3,500), and solar heaters can cost upwards of $3,700. Other factors that can affect the total price include the fuel type, vent system requirements, permits, and whether any additional plumbing work or repairs from previous water heater damage are needed.

If your system is not vented properly, you could experience what’s called backdrafting. Backdrafting is when your ventilation system isn’t working as it should, and instead of releasing gases outside, they get trapped inside your home. 

Gas and propane water heaters create a few types of combustion gases, but the most dangerous is carbon monoxide. If there’s too much build-up of these gases inside your home, it can lead to carbon monoxide poisoning.

The average cost to replace a water heater is around $1,325, with a typical range of $900 to $1,800 for a standard replacement. The final price depends on the type of heater (tank vs. tankless), its size, fuel source (gas or electric), and the complexity of the installation. A simple one-to-one replacement will be on the lower end of the cost spectrum. However, if you are switching from one type of heater or energy source to another, you can expect labor costs to be significantly higher due to the extra work involved. It's also worth considering that while gas and electric heaters may have similar upfront costs, their long-term operating costs can differ based on local utility prices.

Several things can void the warranty for your water heater. Many water heater manufacturers state that installing your own will void the warranty. However, even if you get away with performing the task yourself, incorrect installation, lack of a building permit, and improper repair work, regardless of licensing status, can all render your water heater unprotected by both the manufacturer's warranty and any installation warranties. 

The Exeter, RI homeowners’ guide to water heater services

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