The most common reason a gas water heater fails is corrosion.
Gas water heater lifespan.
However the lifespan of a gas water heater is much shorter compared to others.
If you need to replace your water heater there are many reasons why tankless water heaters are the way to go.
The main exception is gas water heaters which generally only last between six and eight years.
There are two exceptions.
The tag on our ge brand gas water heater says that it is about 18 years old.
I really don t want to come home to a basement full of water.
They can be fairly expensive but live for a long while and can deliver more hot water faster than a standard gas or electric water heater.
These types of heaters tend to last between 8 and 12 years.
A traditional tank type water heater lasts an average of eight to 12 years.
Factors that affect your water heater life span if properly maintained a typical tank water heater can last for about a decade while a tankless heater that s not overused can last twenty years.
We ve been there about 3 years and haven t done any maintenance on it.
First let s look at the lifespan of a conventional gas water heater.
Gas water heater lifespan.
Home inspectors typically expect a generic water heater to last about ten years.
No idea how well the previous owners took care of it.
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.
A typical gas or oil fired water heater life expectancy is from 8 12 years according to sources we ve researched and report here and for tankless water heaters 18 20 years.
The most common reason a gas heating system fails is due to the faulty corrosion once they age.
The heater has an anode rod to protect its interior lining.
Gas water heaters last approximately 6 to 8 years and tankless water heaters can last 20 years or more.
The rod attracts corrosive particles through electrolysis.
In general a gas heater can last anywhere from 9 to 12 years.
Water heater lifespan is on average 8 to 12 years with replacement generally recommended at 10 years.