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Free homeowner guide · 6 min

Water heater trouble: when repair stops making sense

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

Safety first Disconnect power and water only when you can do so safely. Stop for gas, damaged wiring, flooding, or instructions beyond the owner’s manual.
  1. 1

    Treat a tank leak as urgent. Shut off the fuel or electricity and the cold-water supply, then call a qualified professional.

  2. 2

    For no-hot-water complaints, verify the breaker or pilot only if the manufacturer’s instructions allow it. Do not bypass a safety control.

  3. 3

    Compare the quoted repair with roughly half the installed replacement cost. On an older tank, a major repair can be poor value.

  4. 4

    Include operating cost. DOE reports that newer heat-pump water heaters can produce substantial lifetime utility savings, although installation requirements vary.

  5. 5

    Get a written scope that includes removal, permits, venting or electrical changes, and warranty terms.

Last reviewed: July 30, 2026

This date changes only when the guide is reviewed or revised. Cost decisions use national ranges and may differ by location, brand, access, permits, and parts availability.

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