How Long Does a Hot Water Heater Last?

The lifespan of a hot water heater depends on the type and how well it’s maintained. Tankless units can often last as long as the heating system they’re connected to, though performance may gradually decline over the years. Traditional storage water heaters, booster tanks, and indirect-fired systems generally have a lifespan of about 7 to 15 years.

At Exeter Fuel, we inspect your hot water setup as part of our service and provide honest guidance on its condition and estimated remaining life—so you can plan ahead with confidence.