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

Wanda's Water Heaters
4.9(
12
)
Water Heater - Repair or Service

Serving Alton Bay, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Credit card accepted

"Wanda?s is awesome! My old electric hot water heater tank finally retired to the recycling bin. I called on Tuesday evening and spoke to a knowledgeable technician named Chad. I told him what my old unit was doing and he said it definitely needs a replacement after 17 years. He then asked how the home is heated. And then gave me the 2 options for my home. He patiently explained the differences between the hybrid heat pump unit vs the electric one that was presently on its way out. He answered all my newbie questions. He explained the pricing between the two units. I told him I have to discuss everything with the cfo and I would call back Wednesday morning. He also told me they would get me on the schedule for tomorrow or the next day. That was amazing. I called the next day and spoke with Amanda to schedule me in the following day. Chad showed up the following morning and did an awesome job. He was very polite and knew his job well. I am very satisfied so far with Wanda?s."
Installation of boiler
Response time1 day
2 neighbors recently requested a quote
Recommended by8%of homeowners
Avatar for Barrington Solutions Plumbing & Heating LLC
Barrington Solutions Plumbing & Heating LLC
4.9(
17
)
Water Heater - Repair or Service

Serving Alton Bay, NH and surrounding areas

Approved

In business since 2024

Free estimates

Small jobs welcome

Barrington Solutions is the premier plumbing and HVAC specialist for new construction and major residential builds throughout New Hampshire's Lakes Region. Built on a foundation of elite technical expertise, strict project timelines, and clear communication, we partner with builders, contractors, and homeowners to engineer and install flawless mechanical systems from the ground up.While we provide full-service plumbing, high-efficiency heating, and advanced cooling solutions for existing properties, our true passion and specialty lie in rough-in plumbing, complete system design, and the seamless integration of modern heat pumps, boilers, and mini-splits for new homes. We treat every job site with total professionalism, ensuring your project stays on schedule, on budget, and up to code. Contact Barrington Solutions today to bring top-tier mechanical craftsmanship to your next build.

Granite Ridge
Brook hill development
Sanborton
Derry
2.5 bathroom modular

+39

41 neighbors recently requested a quote
Avatar for Bourne Family Plumbing, LLC
Bourne Family Plumbing, LLC
4.8(
13
)
Water Heater - Repair or Service

Serving Alton Bay, 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."
project photos
project photos
project photos
project photos
project photos

+14

3 neighbors recently requested a quote
Avatar for Gotme Under Pressure ?, LLC
Gotme Under Pressure ?, LLC
4.2(
640
)
Water Heater - Repair or Service

Serving Alton Bay, NH and surrounding areas

In business since 1987

Free estimates

Emergency services offered

"Mike is an excellent, friendly, and extremely knowledgeable plumber. I'll definitely be contacting him for future plumbing issues. The new water heater went in quickly and properly, with a few laughs here and there."
Response time6 hrs
Recommended by89%of homeowners
Avatar for Choice Home Warranty
Choice Home Warranty
4.0(
5,680
)
Water Heater - Repair or Service

Serving Alton Bay, NH and surrounding areas

In business since 2008

Emergency services offered

Credit card accepted

"The Choice warranty Co is a lifesaver, great fast and reliable service, we had a water heater and a washing machine malfunction in a two month interval and we were approved for repairs in both instances within 36 hours and scheduled for repairs within one day later"
Recommended by81%of homeowners
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FAQs for water heater repair or service projects in Alton Bay, 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 Alton Bay, 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.