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Best Water Heater Repair Companies in Massachusetts Ranked
A sudden lack of hot water or a leak under your water heater can disrupt your entire household. In Massachusetts, addressing these issues requires the expertise of a licensed professional due to strict state regulations on plumbing and gas work. This guide explains common water heater problems, the professional repair process, and typical costs to help you make an informed decision when your unit needs attention.

Minuteman Plumbing, Heating & Cooling
100 Garden St, Cambridge, MA 02138
Minuteman Plumbing, Heating & Cooling provides plumbing, heating, and cooling services in Boston, MA. They offer water heater repair and installation, drain cleaning, and leak detection, serving both residential and small business clients. Their licensed technicians deliver thorough inspections and use high-quality parts to ensure effective solutions. The company has a veteran-led team with decades of combined experience and offers 24/7 emergency services to address urgent needs promptly.

Absolute Precision Plumbing, Heating & Cooling
58 Aldrich Rd, Wakefield, MA 01880
Absolute Precision Plumbing, Heating & Cooling is a family-owned business serving Boston, MA, and nearby communities since 1985. They specialize in water heater repair and installation, along with plumbing, heating, and air conditioning services. The company is experienced in handling a wide range of HVAC and plumbing issues, often completing repairs on the spot with well-stocked service vans. Their service area includes several towns around Boston, such as Wakefield, Reading, and Lynnfield.

Yellow Dog Plumbing, Heating & Cooling
19 Kearney Rd, Needham, MA 02494
Yellow Dog Plumbing, Heating & Cooling is a plumbing and HVAC company based near Boston, MA, serving Newton and surrounding areas. They offer a range of services including water heater repair and installation, water softener installation, leak detection, and toilet repair. The company emphasizes technical expertise combined with attentive customer care and provides same-day service when possible. They work with various brands and handle both residential and light commercial projects. Yellow Dog Plumbing, Heating & Cooling also offers 24/7 live answering and online scheduling to support customer needs around the clock.

AJM Plumbing And Heating LLC
45 Exchange St, Rockland, MA 02370
AJM Plumbing And Heating LLC is a plumbing and heating service provider based near Boston, MA. They offer water heater installation, repair, and maintenance for both tank and tankless systems, along with leak detection, repiping, gas line installation, and toilet repair. The company installs high-efficiency heating systems and provides warranties on parts and labor, with tankless water heaters qualifying for Mass Save rebates. AJM Plumbing also handles gas appliance connections and plumbing winterization to protect systems from harsh New England winters. They serve a wide area including Rockland, Hull, Quincy, and other nearby communities.
Perricone Home Services
111 Middlesex Turnpike #1103, Burlington, MA 01803
Perricone Home Services is a plumbing and gas service provider based in Boston, MA. They offer a range of services including water heater repair and installation, tankless water heater services, sump pump repair, leak detection, repiping, gas line installation, and garbage disposal repair. The company is known for thorough inspections, clear communication, and using quality materials. They have experience handling complex plumbing issues such as re-piping and interior gas leaks. Customers appreciate their detailed explanations and multiple repair options. Perricone Home Services responds promptly to emergencies, including after-hours and weekend calls, ensuring timely repairs and installations.
Common Water Heater Problems in Massachusetts Homes
Residents across the Commonwealth frequently encounter a few key issues with their water heaters. The most common complaints include insufficient or lukewarm water, strange rumbling or popping noises, and visible leaks 1 2 3. Discolored water or a foul, rotten egg odor can also indicate problems, often related to bacterial growth or a failing anode rod 1 4 5.
Understanding the root cause is the first step toward a solution. Many symptoms differ slightly depending on whether you have a gas or electric unit, which helps technicians diagnose the issue more quickly.
Troubleshooting Gas vs. Electric Water Heaters
While some problems are universal, the underlying causes often depend on your system's fuel source. Here's a breakdown of common symptoms and their typical origins:
| Problem Symptom | Common Cause (Gas) | Common Cause (Electric) |
|---|---|---|
| No hot water/Lukewarm water | Pilot light out (often a thermocouple issue) 1 4 | Faulty heating element(s) 1 6 |
| Noises (rumbling, popping) | Sediment buildup in the tank 1 | Sediment buildup in the tank 1 |
| Water too hot/inconsistent temp | Thermostat malfunction 1 5 | Thermostat malfunction 1 5 |
| Foul odor (rotten eggs) | Bacterial buildup or bad anode rod 1 4 | Bacterial buildup or bad anode rod 1 4 |
| Visible Leaks | Faulty T&P (Temperature and Pressure) relief valve or drain valve 1 | Faulty T&P valve or loose heating element bolts 1 6 |
The Professional Repair Process: Why Licensing is Crucial
In Massachusetts, state law explicitly prohibits homeowners from performing their own plumbing and gas fitting work 7. This means all significant water heater diagnostics, repairs, and installations must be handled by a licensed plumber or gas fitter. This regulation is in place for critical safety reasons, especially when dealing with gas lines, high-pressure systems, and complex electrical connections.
The standard professional repair process follows these steps:
- Diagnosis: A licensed technician will inspect your unit to pinpoint the exact problem. Most companies charge a flat diagnostic fee, which is often applied to the total cost if you proceed with the repair 8.
- Quoting: After diagnosis, the technician provides a clear, upfront estimate detailing the required parts and labor. You should approve this estimate before any work begins.
- Repair/Replacement Recommendation: If your unit is older (typically over 8-12 years) or the repair is extensive and costly-such as a leaking tank-the professional may recommend full replacement as a more economical and reliable long-term solution 7 9.
- Professional Service: The licensed expert performs the repair or installation, ensuring all work meets state and local safety codes.
- Permitting and Inspection: For new installations or major repairs, the contractor is responsible for obtaining the necessary local plumbing permits and scheduling a final inspection to certify the work 10 11.
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Understanding Water Heater Repair Costs in Massachusetts
Repair costs can vary based on your location within the state (with Boston-area services often commanding higher rates), the specific part needed, and the complexity of the job 1 12. Labor rates, part availability, and the age of your unit all factor into the final price. As a general range, repairing a traditional tank-style water heater in Massachusetts can cost between $150 and $700 1 13.
The table below provides estimated price ranges for common repairs, broken down by unit type. These are averages as of late 2025/early 2026 and can vary based on your specific provider and circumstances 1 12.
| Common Repair | Gas Unit Avg. Price | Electric Unit Avg. Price |
|---|---|---|
| Thermostat replacement | $150 - $200 | $150 - $200 |
| Heating element replacement | Not applicable | $200 - $300 |
| Thermocouple replacement | ~$155 - $400 (pilot assembly) | Not applicable |
| Gas control valve replacement | $300 - $500 | Not applicable |
| Pressure relief valve (TPR) replacement | $20 - $200 (parts, labor extra) | $20 - $200 (parts, labor extra) |
| Anode rod replacement | $50 - $150 (parts, labor extra) | $50 - $150 (parts, labor extra) |
When to Repair vs. Replace Your Water Heater
Making the decision between a repair and a full replacement involves weighing several factors. A repair is usually the best course of action if your unit is less than 8 years old, the problem is minor (like a faulty thermostat or valve), and the repair cost is less than half the price of a new unit 14 15.
Replacement often becomes the more prudent choice if:
- Your water heater is over 10-12 years old.
- The tank itself is leaking (this is rarely repairable).
- You're facing frequent, costly repairs.
- You want to upgrade to a more energy-efficient model, such as a tankless system, which can offer long-term savings on energy bills 9 16.
A licensed professional can help you evaluate the age of your unit, the severity of the problem, and your household's hot water needs to determine the most cost-effective path forward.
Maintaining Your Water Heater for Longevity
Proactive maintenance can extend the life of your water heater and help you avoid unexpected breakdowns. While homeowners cannot perform internal repairs, simple upkeep tasks can make a difference. Periodically checking around the base of the unit for moisture or small leaks can help you catch problems early 3. You can also test the Temperature and Pressure (T&P) relief valve by lifting its lever to allow a burst of water into the drain pipe; if it doesn't operate smoothly, it may need professional service 17.
For a thorough maintenance check, consider scheduling an annual inspection with a licensed plumber. They can flush the tank to remove sediment buildup, inspect the anode rod for corrosion, and verify that all valves and connections are functioning safely and efficiently 14 8. This preventative care can improve efficiency, maintain water quality, and delay the need for a major repair or replacement.
Frequently asked questions
Sources
Footnotes
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Water Heater Repair & Replacement in Massachusetts - https://goendlessenergy.com/water-heaters/ ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8 ↩9 ↩10 ↩11 ↩12 ↩13 ↩14 ↩15
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7 Signs Your Hot Water Heater Is Going to Fail - https://blog.constellation.com/2021/03/26/7-signs-your-hot-water-heater-is-going-to-fail/ ↩
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Signs Your Water Heater Is Failing | Bill Fry Plumbing Lee's - https://www.billfrytheplumbingguy.com/post/signs-your-water-heater-is-failing-and-what-to-do-about-it ↩ ↩2
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Gas vs. Electric Water Heaters: Should You Make the Switch? - https://accurateelectricplumbingheatingandair.com/blog/gas-vs-electric-water-heaters-make-the-switch/ ↩ ↩2 ↩3 ↩4
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Water Heater Repair - https://www.ssihvac.com/plumbing/water-heater-repair/ ↩ ↩2 ↩3
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San Diego Water Heater Repair | Water Heater Installation - https://hpsmechanicalsd.com/residential-plumbing/water-heater/ ↩ ↩2
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FAQs • Can I do my own plumbing and gas fitting work as the - Andover, MA - https://www.andoverma.us/Faq.aspx?QID=70 ↩ ↩2
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Heating/Plumbing in Somerset & Swansea, MA - https://greenpointplumbing.com/plumbing-heating-drain-gas-pipe-tankless-water-heater-services-in-bristol-ma ↩ ↩2
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Reliable Water Heater - Blue Bear Plumbing, Heating & Air - https://bluebearplumbing.com/plumbing/water-heaters/ ↩ ↩2
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Gas Water Heater Repair - How to Spot Issues Early and Get help ... - https://crawfordmech.com/blog/gas-water-heater-repair ↩
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Install or Replace a Water Heater or Boiler - Boston.gov - https://www.boston.gov/boston-permitting/install-or-replace/install-or-replace-water-heater-or-boiler ↩
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How Much Does Water Heater Repair Cost in Boston, MA? - https://www.angi.com/articles/how-much-does-it-cost-repair-water-heater/ma/boston ↩ ↩2
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Water Heater Repair Cost 2026: Prices, Fix Types & Tips - https://modernize.com/plumbing/water-heaters/repair-cost ↩
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Hot Water Heater Problems: Symptoms to Spot Issues Early - https://crawfordmech.com/blog/hot-water-heater-problems-symptoms-to-spot-issues-early ↩ ↩2
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Water Heater Repair - ckSmithSuperior - https://cksmithsuperior.com/water-heater/water-heater-repair/ ↩
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Water Heater Repair at The Home Depot - https://www.homedepot.com/services/c/water-heater-repair/201c992c0 ↩
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Common Water Heater Problems And Troubleshooting Tips - https://www.theenergyexperts.com/common-water-heater-problems-and-troubleshooting-tips/ ↩