
Best 2019 Water Heater: State Water heater
Question: How long will my tank water heater last? What is the average life span of a tank water heater?
Answer: The average tank water heater lasts 10-12 years. If you get more than 12 years out of a tank water heater, you're lucky. As the unit ages, tank water heater efficiency drops significantly due to accumulation of sediment inside the tank.
Learn More
Find out how long an electric tank water heater lasts.