Tankless water heaters have a typical life expectancy of more than 20 years.
Hot water heater lifespan.
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.
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.
With regular inspection draining and flushing you can expect a gas water heater to last anywhere from 8 12 years and an electric water heater to last anywhere from 10 15 years.
The warranty period of a water heater may be encoded in its model or serial number.
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.
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.
A traditional tank type water heater lasts an average of.
An average electric water heater life expectancy is just a few years longer than a gas water heater lifespan at around 10 15 years.
Homeowners should anticipate replacing their water heater every eight to 12 years.
Typical water heater warranty periods for a water heater installed for use by a single family are 6 years 9 years or 12 years.