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

Avatar for D Day Plumbing
D Day Plumbing
5.0(
46
)
Water Heater - Repair or Service

Serving Fitchburg, MA and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"I'm a deep value oriented consumer and this guy is one of the best contractors I've come across for the money. Why would you want to pay for the administrative and marketing costs which comes with the fees charged by the big box guys. D-Day is a true professional and a master craftsman at his work. I've hired him to replace a water heater, install a dishwasher and washing machine, as well as miscellaneous plumbing repairs with exemplary results. I wouldn't even consider looking elsewhere."
Cabinet - finished product
Cabinet rebuild (before picture)
Gas Hot Water Heater Install - Power Vented
Navien Wall Hung Water Heater
3 Bay Commercial Sink Install

+32

Response time2 hrs
Recommended by100%of homeowners
Avatar for BGC Plumbing & Drain Cleaning
BGC Plumbing & Drain Cleaning
5.0(
51
)
Water Heater - Repair or Service

Serving Fitchburg, 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 Fitchburg, MA and surrounding areas

Approved

In business since 1992

Emergency services offered

Warranties offered

"Al did great work. He replaced a water heater for me. He was responsive, prompt, and professional. His work was efficient and clean. His quoted price for the replacement was definitely good compared to some others. I would recommend Al to take care of your plumbing needs."
New tiled shower with Kohler fixtures
49 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Domination Plumbing and Heating
Domination Plumbing and Heating
4.6(
23
)
Water Heater - Repair or Service

Serving Fitchburg, MA and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"First off, the consult was great. I was able to add services to my initial request and received a deal doing so. I also added a second set of services later that month. Adam and Steve completed the work and were completely professional and super efficient. They answered my questions and made sure I understood the work being performed. They worked with my schedule and were fantastic. I had a gas hook-up for a change from electric stove to gas stove - they even took care of the permits and inspection. They removed an old water access point for the fridge's icemaker that was in an awkward spot. They also added a regulator for the water pressure and water filtration system. Fantastic work all around. Should we need any more plumbing/gas work, I would definitely hire them again."
Custom Work
Custom Work
Custom Work
Custom Work
Custom Work

+20

Response time4 hrs
Response rate96%
10 neighbors recently requested a quote
Avatar for Jeff Bernard Plumbing Heating and Drain Cleaning, Inc.
Jeff Bernard Plumbing Heating and Drain Cleaning, Inc.
4.6(
8
)
Water Heater - Repair or Service

Serving Fitchburg, MA and surrounding areas

Approved

In business since 1985

Free estimates

Emergency services offered

"My pipe broke on a Sunday I found Jeff Bernard on Monday they came right out and fixed the leaks super fast very friendly and professional and reasonably priced I can’t express enough how great full I am to have my leak fixed so fast"
Response time4 hrs
Response rate94%
Recommended by100%of homeowners
Avatar for Advanced Energy Concepts of Worcester, Inc.
Advanced Energy Concepts of Worcester, Inc.
3.8(
140
)
Water Heater - Repair or Service

Serving Fitchburg, MA and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"Aron did a excellent job repairing my hot water tank. He replaced the control valve and it still did not worked. He took it all apart right to the pilot light and found the orface was blocked. He is very professional and a good personalty.He was a pleasure to have at my home and he is an asset to your company."
Response time3 days
Response rate85%
25 neighbors recently requested a quote
Avatar for Wachusett Plumbing Services
Wachusett Plumbing Services
4.6(
11
)
Water Heater - Repair or Service

Serving Fitchburg, MA and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

"Dennis did an excellent job replacing our electric water heater! We noticed our old one leaking one evening, and Dennis was VERY fast to respond to my Angi request for service. He was out the next day to install our new water heater and arrived promptly at the promised time. From start to finish, Dennis completed the work in just over 2 hours. He cleaned up the area nicely and took our old water heater with him. A+ 5-Star service for sure! Would highly recommend this friendly professional for your plumbing needs. :)"
Recommended by100%of homeowners
Showing 1-10 of 44
FAQs for water heater repair or service projects in Fitchburg, 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 Fitchburg, 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.