Top-rated water heater repair or service pros.

Get matched with top water heater repair or service pros in Rochester, NH

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Water heater repair or service pros in Rochester

Avatar for Robert Johnson Plumbing
Robert Johnson Plumbing
5.0(
298
)

Serving Rochester, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Free estimates

Customers say: True professional

"Our water heater broke over the weekend (of course...) and RJP answered immediately to my Angi request. Other companies are calling me all day on Monday to offer to start quotation process, while I had a new water heater installed by lunch time on Monday. Quick, clean and professional service and competitive price."
Response time2 hrs
Response rate94%
20 neighbors recently requested a quote
Avatar for Mitch Comeau's Plumbing & Heating, LLC
Mitch Comeau's Plumbing & Heating, LLC
5.0(
28
)

Serving Rochester, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"Mitch was nothing short of professional, accommodating with a splash or sense of humor. We will be using him again and highly recommend him for all your plumbing and heating needs."
Our Work
Our Work
Our Work
Response time9 hrs
22 neighbors recently requested a quote
Recommended by60%of homeowners
Avatar for Heritage Home Service
Heritage Home Service
4.5(
986
)

Serving Rochester, NH and surrounding areas

Approved (Corporate)

In business since 1988

Emergency services offered

Warranties offered

"My service technician today was Ken and he was very professional and friendly! He gave me various quotes and fixed the toilet to my satisfaction. This was my second time having them come for repairs and I was extremely satisfied both times. Prices can be a little high but the work is impeccable and the technicians are always very professional! I would recommend them for any home repair or job that you have. I have actually scheduled a visit for another job as well. Thanks Ken! Great job!ð ð ð"
Golf Tournament
Water quality team
HVAC tech
Electrical team
Bryan, electrician

+24

201 neighbors recently requested a quote
Recommended by91%of homeowners
FAQs for water heater repair or service projects in Rochester, 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 Rochester, 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.