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Top-Rated Tankless water heater repair pros in Epsom - Updated Nov 2026

Avatar for Robert Johnson Plumbing
Robert Johnson Plumbing
5.0(
328
)
Tankless Water Heater - Repair

Serving Epsom, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Free estimates

Customers say: True professional

"I had Rob install a tankless hot water heater, whole house water filter, and run a new gas line for my gas stove conversion. He was very professional and and was quick to set an appointment. The whole job took a single day and he even removed and disposed of the old outdated appliances. Quality work at reasonable prices! Would highly recommend."
Response time2 hrs
Response rate96%
39 neighbors recently requested a quote
Avatar for Barrington Solutions Plumbing & Heating LLC
Barrington Solutions Plumbing & Heating LLC
4.9(
17
)
Tankless Water Heater - Repair

Serving Epsom, NH and surrounding areas

Approved

In business since 2024

Free estimates

Small jobs welcome

"I finally got to build my dream garage to store all my tools and have a cool hangout on Friday nights with the boys n a couple coors. Chris came and did everything from the bathroom and the heating system. I will definitely be calling him back to add a mini split in the future. He was professional, punctual and clean. Very knowledgeable you can tell he cares about his clients."
Granite Ridge
Brook hill development
Sanborton
Derry
2.5 bathroom modular

+39

33 neighbors recently requested a quote
Avatar for A.R. Borges Mechanical LLC
A.R. Borges Mechanical LLC
5.0(
13
)
Tankless Water Heater - Repair

Serving Epsom, NH and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"I called to get our outdoor antifreeze valves replaced, and Andrew called me back right away. He was super helpful, taking the time to explain exactly what needed fixing and replacing everything at a fair price. Thanks, Andrew!"
My jobs
My jobs
My jobs
My jobs
My jobs

+25

8 neighbors recently requested a quote
Avatar for Skovron Mechanical Services
Skovron Mechanical Services
4.1(
85
)
Tankless Water Heater - Repair

Serving Epsom, NH and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Excellent communication from Keith; outstanding service from Roger. Professional, timely, and reasonably priced. They came in under estimate on my boiler repair and advised that a second bit of work that had previously been discussed was not going to be necessary. I will definitely use them again and highly recommend them!"
Commercial Cooling
Before Oil Boiler
Old
Oil Boiler
HVAC Roof Top Unit

+19

Response time9 hrs
Response rate100%
Recommended by84%of homeowners
Avatar for GM Mechanical LLC
GM Mechanical LLC
5.0(
9
)
Tankless Water Heater - Repair

Serving Epsom, NH and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Gage has been excellent to work with. We will hire him any time we need something in the future. The work site is always clean, the new install always looks tidy. He has installed a water filter, fixed several leaks in old plumbing, replaced hose bibs, worked on our booster and expansion tank, replaced fixtures. It's always great work."
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+11

Response time1 day
Response rate100%
Recommended by88%of homeowners
Avatar for Water Heater Installation ProfessionalsWHIP
Water Heater Installation ProfessionalsWHIP
4.6(
164
)
Tankless Water Heater - Repair

Serving Epsom, NH and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"Jake answered the phone when I called the first time, he came out to assess what was needed, he provided the estimate, and then proceeded to do the work - all the same day! He replaced our 15 yr old water heater, including a new pressure expansion tank, piping, fittings and valves. The price was very fair and the work was very good. Jake was friendly, informative, and professional, we will use him again for future work."
Navien water heater
Navien Combi Boiler
HTP Firetube
Recommended by95%of homeowners
Avatar for Coy Plumbing & Heating
Coy Plumbing & Heating
5.0(
8
)
Tankless Water Heater - Repair

Serving Epsom, NH and surrounding areas

In business since 2024

Free estimates

Emergency services offered

"We were very pleased with the communication and the outcome of our project. We have an old home with some older piping. Finding someone that works on steam boilers is tough. When they looked at the install, they explained what needed to happen clearly deand unrstandable."
Additional Photos
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Additional Photos

+4

Response time2 days
Response rate100%
Recommended by87%of homeowners
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