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Restore Your Hot Water

Water Heater Repair

Restore your hot water with expert water heater repair from Harts. Our technicians diagnose and fix a wide range of issues across all brands and models, including gas, electric, hybrid, tank, and tankless water heaters.

Licensed & Insured Upfront Pricing Locally Owned Quality Work
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4.8 / 5 From 8.2k Reviews

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Seattle Times - Best In The PNW
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2025 Best of the Sound Sound Award
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BBB Accredited Business

Water Heater Problems We Repair

Water heater problems can interrupt your routine and may worsen if left unaddressed. Harts diagnoses and repairs a wide range of issues affecting gas, electric, hybrid, tank, and tankless water heaters across all brands and models.

No Hot Water Issues

Repair heating, ignition, electrical, thermostat, and system problems.

Water Heater Leaks

Find and fix leaks from valves, connections, supply lines, and other components.

Inconsistent Hot Water

Resolve fluctuating temperatures, and hot water that runs out too quickly.

Tank and Tankless Repair

Repair gas, electric, and hybrid tank or tankless water heaters across all brands and models.

Water Heater Repair for All System Types

Water heater problems can result from worn components, electrical faults, ignition failures, sediment buildup, leaking connections, or other system issues. Harts technicians diagnose the source of the problem before recommending a repair, helping you avoid unnecessary work and restore dependable hot water.

We repair all brands and models, including gas, electric, hybrid, tank, and tankless water heaters. After evaluating the system, your technician will explain the findings, review available options, and provide upfront pricing before completing any approved work.

Harts technician evaluating tank and tankless water heater equipment
Harts technician discussing water heater service options with a homeowner

Is Repair the Best Option?

Water heater repair may be the right choice when the problem involves a replaceable component and the system is otherwise in good condition. Issues with thermostats, heating elements, ignition components, valves, electrical connections, and other parts can often be corrected without replacing the entire water heater.

Harts considers the system’s age, condition, repair history, leak source, and overall performance before recommending the next step. Your technician will explain whether a focused repair may restore dependable operation or whether replacement would provide better long-term value.

Signs You May Need Water Heater Repair

Water heater problems often begin with small changes in performance. Scheduling service when you first notice a warning sign can help prevent further damage and determine whether the issue can be repaired before it becomes more serious.

No hot water

The pilot light will not stay lit

Water only gets warm

A tankless water heater displays error codes

Water leaking from the water heater

Hot water temperatures change unexpectedly

Harts technician greeting a homeowner before a service appointment

Why Trust Harts to Fix Your Water Heater?

When your water heater stops working properly, you need more than a quick guess. Harts provides careful diagnostics, clear repair options, and upfront pricing before work begins. Our licensed plumbers service all brands and models, including gas, electric, hybrid, tank, and tankless water heaters.

*5% off eligible services, up to $200. Proof of eligibility required. Terms and exclusions may apply.

Ready to Restore Your Hot Water?

Get clear answers, upfront pricing, and dependable service from a licensed Harts plumber.

What to Expect

Harts keeps the process clear and straightforward, so you know what to expect from our team at every step.

01

Book Your Appointment

Call or schedule online and tell us about your water heater issues.

02

In-Home Visit

A Harts plumber arrives at your property, ready to assess the problem.

03

Clear Options

Your plumber explains the findings, discusses available solutions, and provides upfront pricing..

04

Complete the Repair

Your technician completes the approved repair using quality materials and care for your home.

05

Final Review

We test the water heater, clean the work area, and review the completed service with you.

Know Your Options

Water Heater Problems, Repairs, and System Care

Water heater problems can develop from normal wear, mineral buildup, electrical faults, ignition failures, leaking components, or changes in household demand. The right repair depends on the type of system, the source of the problem, and the overall condition of the equipment.

Common Water Heater Repairs

Many water heater problems can be traced to worn parts, faulty controls, loose connections, or other repairable components.

Heating Elements and Thermostats

Electric water heaters rely on heating elements and thermostats to produce and regulate hot water. A failed component may cause no hot water, lukewarm water, slow recovery, or inconsistent temperatures. Testing the system can help identify which part is responsible.

Ignition and Gas Controls

Gas water heaters may stop heating when the pilot, igniter, burner, thermocouple, gas control valve, or related safety component fails. A plumber can evaluate the ignition sequence and determine whether a component can be safely repaired or replaced.

Valves, Connections, and Leaks

Water may leak from supply connections, drain valves, temperature and pressure relief valves, fittings, or other components. The source should be identified promptly because some leaks are repairable, while corrosion or damage to the tank itself may require replacement.

Repairing All Water Heater Systems

Tank, tankless, and hybrid water heaters use different components and require system-specific testing and repair methods.

Tank Water Heater Repair

Tank water heater service may involve replacing heating components, repairing connections, addressing sediment buildup, correcting temperature problems, or restoring proper ignition. The unit’s age, tank condition, and repair history help determine whether repair remains practical.

Tankless Water Heater Repair

Tankless systems may experience ignition problems, restricted water flow, mineral buildup, sensor failures, or error codes. Diagnosis may include reviewing the displayed code, checking system components, and determining whether cleaning, adjustment, or part replacement is needed.

Hybrid Water Heater Repair

Hybrid heat pump water heaters combine electric heating elements with heat pump technology. Problems may involve thermostats, sensors, heating elements, airflow, condensate drainage, or heat pump components. Proper diagnosis helps determine which part of the system is affecting performance.

Reviews

See what local homeowners have shared about their experience with Harts plumbers and the quality of our plumbing work.

“Harts was absolutely amazing! We had experienced random hot water outages with our brand-new water heater and had multiple plumbers and an electrician come out, but no one could identify the problem except Nathan. He quickly found the incorrect breakers and poor connections causing sparks and outages. He fixed the issue and was a pleasure to work with!”

Brennan S.

Tacoma, WA

Tankless Water Heater Repair

“We had a leak in one of our water heater hoses and called Harts to assess the situation and any possible damage. Matt was extremely knowledgeable and informative and went above and beyond to make sure my family and home were taken care of. I’m so thankful we called and would absolutely recommend Harts.”

Red B.

Tacoma, WA

Water Heater Leak Repair

“Luis was extremely polite and professional. I didn’t know much about water heaters, but he thoroughly explained our options and repaired our water heater. I highly recommend Harts.”

Robert C.

Bellevue, WA

Water Heater Repair

“Thomas came out to fix our water heater. Not only did he repair it, but he waited until the tank warmed up to make sure it was working properly.”

Melissa T.

Shelton, WA

Water Heater Repair

“Pattrick was prompt and very knowledgeable. I appreciated that he took the time to explain all the available options for fixing my water heater so I could make an informed decision. I had a very positive experience with Harts and would work with them again.”

Jennifer H.

Tacoma, WA

Water Heater Repair

“Dominick was great. He took the time to assess our broken water heater, walked me through all the options, and then completed a plan we were both confident in. The entire process was smooth and stress-free.”

Ovidio B.

Edgewood, WA

Water Heater Repair

“Luis was excellent and fixed the issue smoothly. He also showed me a few things about my water connections and water heater that I didn’t know.”

Utsab B.

Kirkland, WA

Water Heater Repair

“Matt was awesome at identifying the problem with my water heater and was very friendly while explaining the services Harts could provide to fix it.”

Joshua T.

Gig Harbor, WA

Water Heater Diagnosis and Repair

“The technician was friendly and polite. He explained everything carefully and left it up to me to decide which services I needed. The water heater service was completed quickly.”

Jacqueline S.

Centralia, WA

Water Heater Service

Harts service area map covering communities across Pierce, King, Thurston, Snohomish, and Kitsap counties.

Water Heater Repair Service Areas

Harts provides water heater repair throughout the Puget Sound region, serving communities across Pierce, King, Thurston, Snohomish, and Kitsap counties. Our licensed plumbers repair gas, electric, hybrid, tank, and tankless water heaters

Primary service hubs:

The Harts markers identify our primary service hubs, while the shaded area shows the broader communities we serve. From south of Olympia through Tacoma, Renton, Seattle, Lynnwood, and the Kitsap Peninsula, Harts brings professional water heater help directly to you.

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Offers & Discounts

Check out the current promos and coupons from Harts Plumbers, Electricians, & HVAC Technicians.

Water Heater Repair FAQs

Find answers to common questions about water heater problems and repair options.

A water heater can often be repaired when the problem involves a replaceable component and the tank or system is otherwise in good condition. The unit’s age, leak source, repair history, corrosion, and overall performance help determine whether repair or replacement is the better long-term option.

A water heater may stop producing hot water because of a failed heating element, thermostat problem, ignition failure, tripped breaker, gas control issue, or another system fault. A licensed plumber can test the equipment, identify the cause, and explain the available repair options.

Some water heater leaks can be repaired when they come from valves, fittings, supply lines, or other replaceable components. However, a leaking or corroded storage tank usually requires replacement. The source of the water should be identified promptly to help prevent additional property damage.

Yes. Harts repairs tankless water heaters experiencing error codes, ignition problems, restricted flow, mineral buildup, temperature fluctuations, and other performance issues. Our plumbers inspect the system, identify the likely cause, explain the available options, and provide upfront pricing before approved work begins.

Yes. Harts services all brands and models of gas, electric, hybrid, tank, and tankless water heaters. Repair options depend on the condition of the equipment, availability of compatible parts, the source of the problem, and whether repair remains practical for the system.

Many common water heater repairs can be completed during a single service visit, but the exact time depends on the problem, system type, accessibility, and availability of replacement parts. Your plumber will diagnose the issue and explain the expected work before beginning the approved repair.

Yes, a leaking water heater may need to be shut down to reduce the risk of further damage. Turn off the water supply and power or gas only if you can do so safely, then contact a licensed plumber. Avoid touching electrical equipment near standing water.

Water heater repair costs vary based on the problem, system type, required parts, labor, and accessibility. A minor component repair may cost less than fixing multiple failures or servicing a complex tankless system. Harts diagnoses the issue first and provides clear options with upfront pricing before any approved work begins.

Contact Us Now

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Ongoing Maintenance

Join The Harts Home Care Plan

Harts Home Care Plan Member

Stay ahead of unexpected home service problems with the Harts Home Care Plan. Members receive priority service, no trip fees, dedicated support, and 10% off eligible service work, making it easier to care for the systems that keep your home safe and comfortable.

Membership includes ongoing preventive service, with biannual HVAC tune-ups, an annual plumbing and sewer safety check, and an annual electrical safety inspection. These visits can help identify wear, safety concerns, and developing problems before they lead to larger repairs or unexpected disruptions.

The plan supports your home’s plumbing, sewer and drain, electrical, heating, and cooling systems, giving you one convenient way to maintain essential equipment, receive member benefits, and get help when you need it.

Plumbing Services Across the Puget Sound

Our licensed plumbers provide plumbing services throughout the Puget Sound region.
For tank or tankless water heater help, find a plumber near you.

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