How Much Does It Cost to Repair a Water Heater?

June 16, 2025

If you're facing a cold shower and wondering, “How much does it cost to repair a water heater?”, you’re not alone. Water heater repairs are one of the most common home maintenance needs, especially in regions with fluctuating temperatures. 


This guide will break down typical costs, common problems, insurance coverage, professional options, and how Matt Evans Plumbing & Heating LLC can help you restore hot water efficiently and affordably.

Key Takeaways

  • Water heater repair costs typically range from $100 to $600, depending on the unit and problem.
  • Common issues include no hot water, leaks, and sediment buildup.
  • Home insurance may cover damage caused by the heater, but not the appliance itself due to age or wear.
  • Call a plumber for most water heater issues, and an electrician if electrical components are involved.
  • Matt Evans Plumbing & Heating LLC offers fast, reliable, and expert service across Lynn, MA.

Factors Affecting Water Heater Repair Costs

The cost of repairing a water heater depends on several factors, and understanding these can help you budget more accurately and avoid overpaying:

  • Type of Water Heater: Electric models generally cost less to repair than gas or tankless systems.
  • Age of the Unit: Older water heaters often require more extensive (and costly) repairs, and sometimes replacement is more economical.
  • Specific Problem: Simple issues like a faulty thermostat are cheaper to fix than a leaking tank or a failed heating element.
  • Labor Rates: Local service rates and time of repair (weekends or emergencies) can impact your total bill.
  • Replacement Parts: Some models have expensive or hard-to-find parts, increasing repair costs.


Average Cost to Repair a Water Heater

Let’s dive into the numbers:

  • Electric Water Heater Repairs: Typically cost between $100 to $350. Common fixes include replacing thermostats or heating elements.
  • Gas Water Heater Repairs: More complex and can range between $150 to $600. Issues might include pilot light malfunctions or thermocouple replacement.
  • Tankless Water Heater Repairs: These can range from $150 to $800, depending on whether it’s a sensor, heat exchanger, or electronic component.


The national average repair cost for water heaters ranges between $294 and $599, though emergency or after-hours service could push costs higher.


What Is the Most Common Problem with Water Heaters?

Understanding common problems helps you spot issues early and potentially save money.

  • No Hot Water: Often caused by a tripped breaker, broken thermostat, or a failed heating element in electric units. In gas models, it could be a pilot light or thermocouple issue.
  • Inconsistent Water Temperature: Usually a thermostat issue or buildup of sediment in the tank affecting heating efficiency.
  • Leaking Water Heater: Leaks may stem from valves, gaskets, or even corrosion in the tank. A leaking tank often signals the need for a full replacement.
  • Strange Noises: Rumbling or popping sounds typically mean sediment has built up in the tank. This reduces efficiency and increases wear.
  • Rusty or Discolored Water: This is a sign of tank corrosion or a failing anode rod. If left unchecked, it can lead to leaks and contamination.


Does Home Insurance Cover a Water Heater?

This is one of the most common and important questions homeowners have.

  • Yes, But It Depends: If your water heater fails due to a sudden, accidental event—like a burst tank flooding your home—home insurance may cover the resulting water damage, not the appliance itself.
  • No for Wear and Tear: Standard homeowners insurance doesn’t cover repairs due to age, rust, sediment buildup, or neglect.
  • Add-on Coverage: Some providers offer an equipment breakdown endorsement, which covers mechanical failure due to wear and tear. It's worth discussing with your insurer.
  • Water Damage Claims: Be cautious—insurance may help with water damage cleanup, but won’t reimburse you for the water heater unless failure was due to a covered peril.


Do You Call a Plumber or Electrician for a Water Heater?

Many homeowners are unsure who to call when their water heater malfunctions. The answer depends on the problem:


  • Call a Plumber If:
  • There are leaks or water flow issues.
  • The heater is gas-powered (plumbers often handle gas lines, too).
  • The issue is likely inside the unit, such as a failing heating element or sediment buildup.

  • Call an Electrician If:
  • The issue is related to the power supply or circuit breakers.
  • There are signs of faulty wiring or thermostat malfunctions in an electric model.


In most cases, starting with a plumber is a safe bet, especially one like Matt Evans Plumbing & Heating LLC, who can advise if an electrician is also needed.

How Matt Evans Plumbing and Heating LLC Can Help You

If you're in Lynn, MA, or the surrounding areas, your best move is to contact a trusted local expert. Matt Evans Plumbing & Heating LLC specializes in diagnosing and repairing tankless boilers and water heaters. Whether it’s a minor fix or major replacement, they’ve got the tools and expertise to handle it.


Why You Should Choose Matt Evans Plumbing & Heating LLC

  • Skilled, Licensed Technicians: With years of experience in both residential and commercial plumbing, the team knows how to get the job done right.
  • Fast Turnaround: Same-day and emergency service options mean you won’t be left in the cold.
  • Upfront Pricing: You’ll know what to expect before any work begins. No surprises.
  • Honest Assessments: Not every issue requires a replacement, and they won’t push for it unless it’s truly necessary.
  • Full-Service Support: From electric to gas, tank to tankless, they can work with all major water heater models and brands.

When you need reliable service and peace of mind, Matt Evans Plumbing & Heating LLC is just a call away.

Conclusion

A faulty water heater can feel like a crisis, but it doesn’t have to be. Knowing the average repair costs, what to watch for, and who to call makes all the difference. While the cost of repairs can range widely depending on your specific situation, having a trusted local expert like Matt Evans Plumbing & Heating LLC ensures that you’ll receive honest, professional help right when you need it most.


Don’t let water heater problems disrupt your comfort—take action early, ask the right questions, and trust professionals who put your needs first.

Frequently Asked Questions

  • How long does a typical water heater repair take?

    Most repairs can be completed within 1 to 3 hours, depending on the issue and part availability.

  • Is it better to repair or replace an old water heater?

    If your water heater is over 10 years old and repairs are frequent or costly, replacement might be more cost-effective long-term.

  • What maintenance can prevent water heater issues?

    Annual flushing, checking the anode rod, and inspecting for leaks can extend the life of your water heater.

  • Are tankless water heaters cheaper to repair?

    Not always. While efficient, their parts and labor tend to be more expensive compared to traditional tank units.

  • Can Matt Evans Plumbing & Heating LLC help with emergency repairs?

    Yes! They offer emergency plumbing services to get your hot water back as quickly as possible.

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