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

Avatar for BGC Plumbing & Drain Cleaning
BGC Plumbing & Drain Cleaning
5.0(
51
)
Water Heater - Repair or Service

Serving Mendon, MA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"I called Brandon for a hot water heater problem. To my surprise he came within two hours on a Saturday. He was knowledgeable, personable, and his fee was the best I highly recommend BGC. For all your plumbing needs. Brandon went above and beyond. When I mentioned a problem with my kitchen sink he took the time and fixed it. He is the best."
Kohler Toilet
Electric Water Heater Install
Heat Pump Water Heater Installation
Boiler Exhaust Repair
Shower Installation

+5

Response time2 hrs
Response rate95%
4 neighbors recently requested a quote
Avatar for A&B Plumbing Service
A&B Plumbing Service
4.4(
157
)
Water Heater - Repair or Service

Serving Mendon, MA and surrounding areas

Approved

In business since 1992

Emergency services offered

Warranties offered

"Al did an immaculate job of replacing my old gas water heater, and was kind enough to replace the water valves for my washing machine despite dropping the request on him last minute. Highly highly recommended!"
New tiled shower with Kohler fixtures
52 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Rodenhiser Home Services
Rodenhiser Home Services
4.4(
522
)
Water Heater - Repair or Service

Serving Mendon, MA and surrounding areas

Approved

In business since 1928

Emergency services offered

Warranties offered

"Not easy finding an HVAC company willing to install a gas steam boiler. These guys did it all and did it well, removing the old oil burner and oil tank, installing a Weil McClain boiler including steam piping and hot water, installing gas piping, electrical and plumbing, including all inspections, even leaving me a temporary hot water heater until the furnace installation was completed. They fully accommodated my schedule as well. The town electrical inspector who came after installation was complete confirmed their good reputation."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
28 neighbors recently requested a quote
Recommended by86%of homeowners
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 Mendon, 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%
83 neighbors recently requested a quote
Avatar for Burke Plumbing & Heating, Inc.
Burke Plumbing & Heating, Inc.
4.0(
707
)
Water Heater - Repair or Service

Serving Mendon, MA and surrounding areas

Approved

In business since 1975

Free estimates

Emergency services offered

"My water heater died (leaked) late Wednesday nite. Thursday I called numerous plumbers-left messages, Burke's called back and by Friday afternoon I had a new water heater installed. I am in a mobile home and some plumbers said they don't service mobile homes."
Heating and Plumbing jobs
Heating and Plumbing jobs
Heating and Plumbing jobs
Heating and Plumbing jobs
Heating and Plumbing jobs

+19

Response time2 days
Response rate88%
136 neighbors recently requested a quote
Avatar for Peters plumbing & Heating
Peters plumbing & Heating
5.0(
6
)
Water Heater - Repair or Service

Serving Mendon, MA and surrounding areas

Approved

Free estimates

"The first time I used Peters Plumbing was to Replace all the old cast iron sewer line in house out to the septic system .Replacing all drain lines and plumbing a bathroom vanity .Started in the morning finished later that evening but everything was finished working as it should .Quick efficient service ,high quality work .Highly recommend"
Peters plumbing & Heating
24 neighbors recently requested a quote
Avatar for Morton Plumbing and Heating
Morton Plumbing and Heating
5.0(
5
)
Water Heater - Repair or Service

Serving Mendon, MA and surrounding areas

Approved

In business since 1985

Free estimates

Credit card accepted

"Morton’s Plumbing & Heating did an excellent job replacing my bathroom vanity and sink. I would recommend them to anyone looking for a great honest plumber who is reasonably priced compared to these big corporations."
1 neighbors recently requested a quote
Avatar for Heritage Home Service
Heritage Home Service
4.6(
22
)
Water Heater - Repair or Service

Serving Mendon, MA and surrounding areas

Approved (Corporate)

In business since 2018

Free estimates

Emergency services offered

Heritage Home Service is a premier home service provider operating in New Hampshire, Massachusetts and Southern Maine. Bringing all the perks that come with having a large team while maintaining a strong focus on family-oriented service. Our namesake is about honoring those who came before us, and most importantly, it is about leaving a legacy of serving people extraordinarily well. For over 37 years in business, we have helped countless families across our community stay comfortable and healthy in their homes, and today we continue to evolve and find new ways to serve you even better.

Garbage disposal
Bathroom plumbing
Water heater
Water Filtration
Plumbing maintenance

+19

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