How to Extend the Life of a Gas Water Heater

A gas water heater can last for years, but its lifespan depends heavily on how well it’s maintained. With a few routine tasks—and prompt attention to warning signs—you can reduce wear on key components, limit corrosion, and keep efficiency from dropping.

Because gas appliances involve combustion and ventilation, some tasks should be handled by a qualified technician. Still, many high-impact actions are homeowner-friendly and can be incorporated into an annual maintenance rhythm.