A water heater s useful life varies depending on the type of water heater the quality of the unit and how well it s been maintained.
Hot water heater lifespan.
Conventional tank style electric and gas fired water heaters are cylindrical appliances that warm and store a specified amount of water typically 40 to 80 gallons.
Average lifespan while today s water heaters are better designed than older models they still require regular maintenance in order to prolong their lives.
In fact the only difference is that the water in an electric system is heated with upper and lower heating elements that extend into the tank.
Tankless water heaters have a typical life expectancy of more than 20 years.
The lifespan of a hot water heater will vary considerably based on the make model and level of use.
Their expected service life is 10 and 15 years according to the u s.
The two types of water heaters work in much the same way.
Typical water heater warranty periods for a water heater installed for use by a single family are 6 years 9 years or 12 years.
A traditional tank type water heater lasts an average of.
The warranty period of a water heater may be encoded in its model or serial number.
For example a water heater in a household of eight will see much more use than one in a household of two and in a much shorter period.