Leader in the Massachusetts Home Service Industry since 1992
YOUR LOCAL 5-STAR COMPANY
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If you’re searching for Chelmsford MA water heater repair, you likely don’t have time to wait. No hot water. Leaks around the tank. Strange noises. Or water that turns cold halfway through a shower. At 128 Plumbing, Heating, Cooling & Electric, we provide professional water heater repair in Chelmsford and surrounding towns. We’ve been serving Massachusetts homeowners since 1992, and our headquarters is right here in Chelmsford.
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Here is a quick list of the top heating services we offer:
Signs You Need Water Heater Repair
Not every water heater problem means full replacement. Many issues can be repaired if caught early.
Call for water heater repair if you notice:
- No hot water
- Inconsistent water temperature
- Rust-colored water
- Water leaking from the tank
- Popping or rumbling sounds
- Low hot water pressure
- Higher energy bills
According to the U.S. Department of Energy, water heating accounts for about 18% of a home’s energy use. When your system isn’t working properly, it can increase energy costs and reduce efficiency.
Water Heater Repair Services in Chelmsford, MA
We service most major brands and models.
Tank Water Heater Repair
We diagnose and repair issues with gas and electric tank systems, including:
- Heating element replacement
- Thermostat repairs
- Anode rod replacement
- Leak repairs
- Pilot light issues
Tankless Water Heater Repair
If your tankless system isn’t delivering steady hot water, we inspect for:
- Mineral buildup
- Ignition problems
- Error codes
- Flow sensor issues
Massachusetts water can be hard on water heaters. Regular maintenance helps extend system life.
Repair or Replace? How to Decide
Most traditional tank water heaters last 8–12 years. Tankless systems can last 15–20 years with proper maintenance.
You may want to consider replacement if:
- Your system is over 10 years old
- The tank is leaking from the base
- Repairs are becoming frequent
- Energy bills are climbing
If repair makes sense, we’ll tell you. If replacement is the better long-term option, we’ll explain why. No pressure.
Why Choose 128 for your Water Heater Repair in Chelmsford, MA?
We’re A Proud Heat Pump Installer of Mass Save®
We’ve helped thousands of homeowners learn about Mass Save financing and rebates. Call or message us now to learn about the process.
Official Home Services Company of the Boston Red Sox
We are proud to say that we’re the first ever Official Home Services Company of the Boston Red Sox!
Ask about our loyalty program: base+ membership
Our whole-home loyalty membership allows for exclusive visits & benefits, SmartHome access, and peace of mind for your plumbing, HVAC, and electrical services from attic to basement
Frequently Asked Questions
How quickly can you repair a water heater in Chelmsford?
In many cases, we offer same-day service depending on availability. Because we are locally based, we can respond quickly to homeowners in Chelmsford and nearby towns.
Why is my water heater making popping or rumbling noises?
This is often caused by sediment buildup at the bottom of the tank. Over time, minerals harden and trap water underneath, causing noise as it heats. Flushing the system may resolve the issue.
Is a leaking water heater always a replacement?
Not always. Leaks from fittings or valves may be repairable. However, if the tank itself is leaking from the base, replacement is typically required.
Why am I running out of hot water faster than before?
This could be due to a failing heating element, sediment buildup, or a thermostat issue. A professional inspection can pinpoint the cause.
How long does a water heater typically last?
Traditional tank water heaters usually last 8–12 years. Tankless systems often last 15–20 years with proper maintenance.
Do you repair tankless water heaters?
Yes. We service and repair tankless water heaters, including diagnosing error codes, mineral buildup, and ignition issues.
If your water heater isn’t working properly, don’t wait for it to fail completely. Call for professional water heater repair in Chelmsford, MA.
We have 3 locations across Massachusetts
Our Wakefield, MA Location
78 Foundry St, Wakefield, MA 01880
Our North Andover, MA Location
3 Johnson St, North Andover, MA 01845
Our Chelmsford, MA Location
80 Brick Kiln Rd, Chelmsford, MA 01824
Being local means faster response times and technicians who understand Chelmsford homes, HVAC systems, and their demands.

