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Top-Rated Water heater repair or service pros in Nottingham - Updated Nov 2026

Avatar for Robert Johnson Plumbing
Robert Johnson Plumbing
5.0(
325
)
Water Heater - Repair or Service

Serving Nottingham, NH and surrounding areas

Approved

In business since 2009

Free estimates

Offers commercial services

"Robert was very responsive to my request for a water heater replacement. His pricing was competitive, and his crew was prompt and professional. The work was complete less than 24 hours after first contact. I recommend Robert Johnson Plumbing and plan to be a repeat customer, myself"
2 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Bourne Family Plumbing, LLC
Bourne Family Plumbing, LLC
4.8(
13
)
Water Heater - Repair or Service

Serving Nottingham, NH and surrounding areas

Approved

Free estimates

Credit card accepted

"Colin Bourne is a pleasant person who we asked for a quote for replacing the water heater expansion tank. We accepted and he arrived on time and had the job done in les than an hour. We're very pleased and plan on using him again for our next plumbing problem."
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+14

3 neighbors recently requested a quote
Avatar for Heritage Home Service
Heritage Home Service
4.1(
1,337
)
Water Heater - Repair or Service

Serving Nottingham, NH and surrounding areas

Approved (Corporate)

In business since 1988

Free estimates

Emergency services offered

"I asked for a rep to come to give quotes for repair or replacement of my gas boiler. Before he came the old boiler failed, and Heritage was able to quickly install a new one so that we without heat and hot water for only a short time."
Grand opening of new location
Team breakfast
Events
Billy working hard
Golf tournament

+29

Response time5 hrs
333 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for St Pierre Plumbing & Drains LLC
St Pierre Plumbing & Drains LLC
5.0(
6
)
Water Heater - Repair or Service

Serving Nottingham, NH and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

Professional Plumbing & Drain Cleaning in Raymond, NH.\nAt St. Pierre Plumbing & Drain Cleaning, we believe you shouldn't have to gamble on the quality of your plumbing. We deliver top-tier residential and commercial plumbing solutions with honest communication, transparent pricing, and dependable workmanship every step of the way.

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20 neighbors recently requested a quote
Avatar for Coy Plumbing & Heating
Coy Plumbing & Heating
5.0(
8
)
Water Heater - Repair or Service

Serving Nottingham, 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."
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+4

Response time2 days
Response rate100%
Recommended by87%of homeowners
Avatar for TJ Thistlewood Plumbing & HVAC
TJ Thistlewood Plumbing & HVAC
5.0(
6
)
Water Heater - Repair or Service

Serving Nottingham, NH and surrounding areas

Emergency services offered

"Tyler & his team were very professional and thorough with repairing my tankless water heater. Tyler was quick to respond to my call for a repair service call and took the care to be as neat as possible during the repair and cleaned up nicely when the service was completed. TOP NOTCH !!!"
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+1

Recommended by100%of homeowners
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FAQs for water heater repair or service projects in Nottingham, NH

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 Nottingham, NH 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.