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Find Water heater repair or service pros in Amherst

Avatar for Robert Johnson Plumbing
Robert Johnson Plumbing
5.0(
296
)

Serving Amherst, NH and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2009

Free estimates

Customers say: True professional

"Best price of 6 quotes. But more importantly, did a great job and worked with my 90 year old mom home alone that has hearing and vision difficulty. He sent pics and everything. 6 STARS!"
Response time2 hrs
Response rate94%
36 neighbors recently requested a quote
Avatar for Sila Heating, Cooling, Plumbing and Electrical
Sila Heating, Cooling, Plumbing and Electrical
4.7(
4,795
)

Serving Amherst, NH and surrounding areas

Angi Approved

In business since 1989

Free estimates

Emergency services offered

"No invoice transparency at Sila Heating, Cooling, Plumbing, and Electrical. I had an appointment on February 16, 2026, to troubleshoot a no-heat issue on the second floor of my home. I was told the repair would be $1,500. Although hesitant, I agreed to proceed because I needed heat. The repair was completed, I paid $1,524.90, and the technician left. I later realized I had not been provided with an invoice, so I called the company directly at 781 438 4114. The person who answered the phone emailed me an invoice. The invoice listed an HVAC diagnostic fee of $69.00, followed by ?HYD 170,? with no price or itemized breakdown provided. I understand that professional services and parts can incur significant costs, it is unreasonable that the part alone could account for the entire charge without any supporting documentation. I respectfully requested a detailed breakdown of the invoice through multiple phone calls and emails; however, the responses I received were dismissive and failed "
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+6

Response time2 days
54 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Soulios Heating & Cooling, LLC
Soulios Heating & Cooling, LLC
5.0(
14
)

Serving Amherst, NH and surrounding areas

Angi Approved

In business since 2019

Free estimates

Emergency services offered

"Wonderful service from Adam! My water heater was struggling to keep up with my wife?s long showers - which by the way she heats them up hot as hell! ? Besides the point, Adam recommended sizing up the water heater in order to keep up with the demands of some crazy hot water. Incredibly fast installation process and Adam was really friendly. I would definitely recommend him to all my friends who are looking for a plumber. You should certainly give him a call!"
Response time3 hrs
1 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Skovron Mechanical Services
Skovron Mechanical Services
4.4(
76
)

Serving Amherst, NH and surrounding areas

Angi Approved

In business since 2003

Free estimates

Emergency services offered

"Work was done promptly and the boiler works great! All issues were addressed and fixed in a timely matter. So appreciative that they came out quickly and got things done."
Commercial Cooling
Before Oil Boiler
Old
Oil Boiler
HVAC Roof Top Unit

+19

Response time9 hrs
Recommended by84%of homeowners
FAQs for water heater repair or service projects in Amherst, 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 Amherst, 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.