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A traditional tank-type water heater lasts an average of 8 to 12 years. Inside the tank, an anode rod protects the interior lining by attracting all corrosive particles to itself through...
The manufacturer’s average suggested lifespan for a traditional water heater is between eight to 12 years. A tankless water heater can last up to 20 years before it needs to be replaced.
Most water heaters last between eight and 20 years, although it depends on the type. Water heaters usually display a few key signs of failure on their way out, including poor performance, leaks, cold water, and abnormal noises.
Water heaters don’t last forever, but can last longer with the right maintenance and care. Visit A.O. Smith’s water heater lifespan guide to learn more.
Expect your gas or electric storage water heater to last around 10 years. If you have a tankless water heater, it could last up to 20 years. Maximize your water heater's useful life by draining it once a year and flushing it quarterly. Look for leaks around the tank or rusty-colored water as sure signs you need to replace your old water heater.
If you’ve properly maintained your water heater, you may get up to 12 to 15 years of life from a gas water heater and 10 to 15 years from electric water heaters. Beyond that, replacement is recommended mainly due to tank conditions, rapid safety advances, and energy efficiency improvements.
A conventional hot water heater can last anywhere from 8 to 12 years, but its life expectancy can vary widely depending on many factors. Larger families place a higher demand on water heaters, which can shorten their life span. If you have hard water, your system may accumulate sediment more quickly and wear down faster.
Over time, they fail and need repairs. At some point, they need total replacement. Here’s what you need to know about the lifespan of different types of water heaters, factors affecting their longevity, signs of a failing unit, and essential maintenance tips to prolong their use.
As a general rule of thumb: A conventional gas-powered water heater will typically last around eight to 12 years. An electric unit can last closer to 10 to 15 years. In both cases, it is possible for a unit to last 20 years or more, assuming good maintenance.
The average lifespan of a water heater is typically between 8 to 12 years. However, this estimate can vary depending on the type of heater, its quality, and how well it has been maintained. Here’s a closer look at the different types of water heaters and their expected lifespans: