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

Avatar for Sila Heating, Cooling, Plumbing and Electrical
Sila Heating, Cooling, Plumbing and Electrical
4.5(
5,404
)
Water Heater - Repair or Service

Serving Marlborough, 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 David M. Clay Plumbing& Heating
David M. Clay Plumbing& Heating
4.1(
178
)
Water Heater - Repair or Service

Serving Marlborough, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Warranties offered

"David helped me install Heat Pump Water Heater that I purchased from Home Depot. It was his first time installing a heat pump water heater but he made sure it gets installed as per code and right way. He worked with me to install stop valve in the end."
Plumbing Project
On demand waters for nail salon
Plumbing Project
Installed 6 new wall mounted gas water boilers 96 Afue
Converted a old fire station to a residential home and this is one of the bathroom we installed

+21

Response time1 day
Response rate100%
18 neighbors recently requested a quote
Avatar for Rodenhiser Home Services
Rodenhiser Home Services
4.4(
522
)
Water Heater - Repair or Service

Serving Marlborough, 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."
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28 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Morton Plumbing and Heating
Morton Plumbing and Heating
5.0(
5
)
Water Heater - Repair or Service

Serving Marlborough, 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 Advanced Energy Concepts of Worcester, Inc.
Advanced Energy Concepts of Worcester, Inc.
3.8(
140
)
Water Heater - Repair or Service

Serving Marlborough, MA and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"Could not be happier with the install of our new propane system. They were very easy to work with Quinn answered all my questions Doug and Bernie and I forget the other guys name were a pleasure to have in my house. They did the work and the Quoted amount of time. They handled all the inspections and permits with the town. Extremely happy with the level of service and would recommend to anybody looking for heating needs. Edit from 2 years ago?. The company still has not picked up old water heater and boiler. Have called a number of times to get this done. Vicki is extremely unpleasant to deal with. Rude. Has zero phone skills. Should really look into finding a new person to answer the phones. She was basically yelling at me for asking, follow up questions. And when I I said, why are you yelling? She said so you would know if I was yelling at you. But she definitely was yelling. I really hope those phone calls are recorded. They?ve got their money. So obviously the customer service ha"
Response time3 days
Response rate85%
25 neighbors recently requested a quote
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FAQs for water heater repair or service projects in Marlborough, 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 Marlborough, MA homeowners’ guide to water heater repair or services

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