Key Takeaways:
- Units 10+ years old showing two or more warning signs (rust, leaks, sediment noise, inconsistent heat) should be replaced, not repaired.
- Tank replacements run $900–$1,800 all-in; tankless runs $2,000–$4,500. Always get a flat-rate, itemized quote before work starts.
- Tankless water heaters offer 20–30%+ energy savings and 20+ year lifespan — worth serious consideration when you're already replacing.
- Most installations take 2–4 hours. Same-day hot water is realistic. Look for no after-hours up charge.
- Permits are required in most jurisdictions. A licensed installer handles this automatically — no permit is a red flag.
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