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

Avatar for Gentille Plumbing and Heating
Gentille Plumbing and Heating
5.0(
28
)
Water Heater - Repair or Service

Serving Weymouth, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Credit card accepted

"This was a relatively small water heater repair, and Ryan did an outstanding job. He responded immediately to my request, provided a reasonable quote, was polite, professional, knowledgable, and friendly to deal with. Will definitely hire again if needed."
Response time6 hrs
Response rate96%
23 neighbors recently requested a quote
Avatar for Sila Heating, Cooling, Plumbing and Electrical
Sila Heating, Cooling, Plumbing and Electrical
4.5(
5,404
)
Water Heater - Repair or Service

Serving Weymouth, MA and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

Live Your Most Comfortable Life with a Company You Trust. \nWe offer Same Day Service and Next Day Installation! \n \nSila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it?s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe ? season after season. \nWe guarantee satisfaction and are proud to have earned over 7,000 ?A? ratings on Angie?s List and its prestigious Super Service Award!

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+6

115 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Keith Brothers Plumbing, Inc.
Keith Brothers Plumbing, Inc.
4.5(
122
)
Water Heater - Repair or Service

Serving Weymouth, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"My boiler stopped working and we had no heat or hot water. CMK P&H responded quickly, diagnosed the issue, resolved the issue promptly and charged a fair price. Professional, courteous and friendly. I am glad I found them! Thank you!"
Water Heater Replacement
Ball Valve install on Water Main
Sewer Main
Water Heater Replacement
Before & After - Tub to Shower

+4

Response time1 day
8 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Quarry Hills Plumbing & HVAC, Inc.
Quarry Hills Plumbing & HVAC, Inc.
4.2(
224
)
Water Heater - Repair or Service

Serving Weymouth, MA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Our gas water heater failed on a Friday night. Waking up Saturday a.m. to water in our basement wasn't a pleasant experience. We placed several calls and Quarry Hills was the only company to return our call. Michelle was very helpful with locating the same water heater within a short time frame as the gas heater that failed was still under warranty, to our surprise. She promptly scheduled a tech to our house by 1 p.m. the same day with the new water heater in tow. Seth was very knowledgeable and worked efficiently to get us back up and running. They were straight up with the cost and didn't exceed it when finished with the job. Rebecca followed up with a call to check in on our experience with Quarry and confirmed that they'd forward any warranty information upon receipt. Very professional from start to finish! We won't hesitate using them again for any future issues we may have."
Bryant Evolution High Efficiency Gas Furnace
Bryant Evolution 17-SEER 2-Stage Condensing Unit
Noritz NRC-111-DV Natural Gas Tankless Water Heater
Lochinvar Knight WHN-110 and Squire SIT-040 in Sherborn, MA
Lochinvar Knight WHN-110 and Squire 40-gallon indirect in Milton, MA

+4

6 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Comfort Professor
Comfort Professor
5.0(
24
)
Water Heater - Repair or Service

Serving Weymouth, MA and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"Steven showed up and was able to repair our AC after two years of multiple repair companies that could not help. Everyone else said we had to replace when Steven was able to determine that it just needed a quick repair. He was professional and so pleasant. English is not our first language but he was so patient with us. Highly recommend!"
10 neighbors recently requested a quote
Avatar for Cotti-Johnson Heating-Cooling-Plumbing-Electrical MA
Cotti-Johnson Heating-Cooling-Plumbing-Electrical MA
4.6(
231
)
Water Heater - Repair or Service

Serving Weymouth, MA and surrounding areas

Approved (Corporate)

In business since 1944

Free estimates

Emergency services offered

"My electrician from Cotti-Johnson HVAC was a master electrician. If you get him, you are getting the best. I went with the most expensive work package of the 3 that were presented. First off, it was pricey. I knew that going in. I want Cotti-Johnson to understand that I am serious about a working relationship with them. I feel I have done that with their electrical department. Now, if I need their plumbing or HVAC service, our relationship can build off the first experience."
Home Standby Generator Installation
Home Standby Generator Installation
Home Standby Generator Installation
Home Standby Generator Installation
Home Standby Generator Installation

+56

Response time9 hrs
Response rate97%
84 neighbors recently requested a quote
Avatar for Ken Cyr Plumbing Inc
Ken Cyr Plumbing Inc
4.4(
49
)
Water Heater - Repair or Service

Serving Weymouth, MA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

I am a Master Plumber here on the Sorth Shore, and have 20 years experience in plumbing. I pride myself on the quality of my work, and put great thought and effort into every detail. I am very professional, and offer excellent workmanship at a competitive price. My niche is small service jobs such as water heaters, fixture replacements, and general repairs etc. I am also available to to boiler replacements, and specialize in high efficiency boiler installations. \n

1 neighbors recently requested a quote
Recommended by72%of homeowners
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FAQs for water heater repair or service projects in Weymouth, MA

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 Weymouth, MA 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.