How Long Should a 40 Gallon Water Heater Last?

How long should a 40 gallon water heater actually last? This is an important question for many people, as the cost of energy keeps going up and many people find themselves having to replace their water heaters every few years or so. Water heaters are built tough and will last for years, but like all things, they can break down from time to time. When this happens, you’ll need to know how long before you might have to replace your heater if you want it to keep working at full capacity.