Hot-water system hub

Water heaters: troubleshooting and repair-or-replace guidance

Compare no-hot-water and leak symptoms with tank age, energy type, repair scope, and installed replacement cost—without opening gas, electrical, or refrigerant systems.

Know when to stopA leaking tank, gas odor, carbon-monoxide alarm, scorching, or electrical damage needs prompt professional help. Do not operate relief valves or gas controls.

Start with the symptom

Common problems

Homeowner-safe help

Related guides

Last reviewed: August 17, 2026

Water heater has no hot water? Check power, settings, and warning signs

A depleted tank, changed operating mode, lost electrical power, or a model-specific alert can interrupt hot water. Leaks, gas odors, carbon-monoxide alarms, and repeated breaker trips require immediate professional help.

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Last reviewed: July 30, 2026

Water heater trouble: when repair stops making sense

Use age, tank condition, repair price, and operating cost—not age alone—to decide.

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Last reviewed: July 30, 2026

Appliance lifespan chart: useful ranges, not expiration dates

Expected life is a planning tool. Condition, use, maintenance, repair history, and installation quality determine the real decision.

Read guide →

Make the next decision

Compare age, repair cost, and replacement cost.

The checker organizes the options using the appliance and symptom you choose. It does not replace diagnosis by a qualified professional.

Use the interactive checker →See the appliance lifespan chart

Need professional help?

Find an appliance technician near you.

Enter your ZIP code to open a local Google Maps search. No account or personal contact information is required here.

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