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What is the main difference?
A tank water heater stores hot water (40–80 gallons). A tankless heats water on demand — no tank.
Which saves more money?
Tankless units use less energy day-to-day. Up-front cost is higher but payback is often 6–10 years.
Which is better for big families?
A large tank or a 2-unit tankless setup. One small tankless can struggle if two showers run at once.
Do tankless units last longer?
Yes. Tanks last 8–12 years; tankless can last 15–20 with yearly flushes.
Which do you recommend?
Tankless for long-term savings and space. Tank for lower up-front cost and simple replacement.
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