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Top-Rated Tankless water heater installers in Clinton - Updated Nov 2026

Avatar for Atlantic Water Heater Pros
Atlantic Water Heater Pros
4.8(
51
)
Tankless Water Heater - Install

Serving Clinton, CT and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"I highered Bruce and his team, we're very happy with the service. They installed a couple new baseboard heaters to our existing unit to add more heat to a few rooms that's were cooler than we liked. We're very happy and much warmer. Bruce and his team were responsive and open to everything they were doing. Fast and efficient highly recommended!"
Large Mechanical Room
Response time1 day
Recommended by92%of homeowners
Avatar for N & J Plumbing LLC
N & J Plumbing LLC
4.5(
46
)
Tankless Water Heater - Install

Serving Clinton, CT and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee assures you that we won't leave your property until you are completely satisfied with our work. As a locally owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!

Additional Photos
3 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Rooterman Hartford LLC
Rooterman Hartford LLC
4.0(
68
)
Tankless Water Heater - Install

Serving Clinton, CT and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"The two men arrived on time, were courteous and expedient. They replaced my faucet and showed/explained what they had done before leaving. Shortly thereafter, I am experiencing a leak in my basement which may/may not be related to the project. If it continues, I will call them out to investigate the issue."
HVAC
258 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for M Adorno, LLC
M Adorno, LLC
4.0(
7
)
Tankless Water Heater - Install

Serving Clinton, CT and surrounding areas

Approved

Free estimates

Customers say: True professional

M Adorno, LLC is your go-to partner for all your remodeling and construction needs. With expertise in kitchen and bathroom remodeling, as well as residential and commercial construction, we bring your vision to life. Our team of skilled professionals is committed to delivering exceptional results that exceed your expectations. Contact us today to transform your space into something extraordinary.

Response time2 days
Response rate100%
1 neighbors recently requested a quote
Quinn Plumbing & Heating, LLC
4.3(
198
)
Tankless Water Heater - Install

Serving Clinton, CT and surrounding areas

In business since 1997

Free estimates

Credit card accepted

"Kenny did an excellent job and I give him 5 stars. I was told by the office staff that the installation of the new water heater (under lifetime warranty but only five years old when it needed replacing) would take up to six hours. The actual work time was closer to two and a half hours, most of the time was taken up waiting for the delivery of the new heater as well as half-way through Kenny left for another two hours, maybe even longer, to pick up an expansion tank. I had been quoted a price of $950 for the installation . After the installation the office called to ask how I wanted to pay I challenged this amount and ended up paying $850 instead. - I very much appreciated that Quinns were able and did install the hot water heater so quickly but felt I was taken advantage of financially."
Response time3 hrs
Recommended by97%of homeowners
Avatar for Joe the Plumber
Joe the Plumber
4.7(
157
)
Tankless Water Heater - Install

Serving Clinton, CT and surrounding areas

In business since 2007

Free estimates

Warranties offered

"Kyle and Marc were on time, professional and very knowledgeable. They understood what we are looking to do and were able to provide quotes immediately. We expect that we will contract with them for a new hot water heater or a tankless hot water heater. I expect that their work is as exemplary as their representatives are."
Recommended by86%of homeowners
Avatar for HARP Home Services LLC
HARP Home Services LLC
4.5(
488
)
Tankless Water Heater - Install

Serving Clinton, CT and surrounding areas

In business since 1992

Free estimates

Emergency services offered

"Had a water leak coming from A.C. unit and I called HARP on Saturday morning and was informed a technician could be out on Saturday between 2pm and 6pm. Jaime informed me that it was $89 for service call and $25 for fuel charge and HARP does not charge by the hour but by the job. At 12pm I received a phone call from HARP dispatcher and i am told that the tech finished up his job early and would like to come over to our home, I informed her that we were not home, she said no problem we will see you at your schedule timeframe. Dispatcher called again at 1pm and asked if tech could head our way and I said yes, we were home. Courtney Ivey came out and arrived at 1:45pm, was very professional, personable, clean, wore slippers over his shoes, uniform was sharp looking, wore a mask, provided me with some great helpful hints, turns out I needed I condensate tank pump. He replaced the pump, took the old one away and paid for the part and service. I later saw on HARP website that they offered military discounts, so I called and spoke to a wonderful person named Debbie. I explained that we had just paid for service and was wondering if it was too late for HARP to provide the military discount, she said absolutely we can. She sent an e-mail to HARP billing department and asked I be credited 10%. I have to say little shocked at all the negative reviews. My experience was 100% hands down."
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+9

Recommended by93%of homeowners
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