Tankless water heaters typically last up to 20 years twice as long as a tank style unit.
Tankless hot water heater lifespan.
However although gas fired tankless water heaters tend to have higher flow rates than electric ones they can waste energy if they have a constantly burning pilot light.
Unlike a conventional water heater a tankless water heater is not exposed to the same water base corrosion.
Tankless water heaters can avoid the standby heat losses associated with storage water heaters.
Tankless water heaters are less exposed to water based corrosion than regular water heaters which are exposed to moisture 24 7.
The 24 7 moisture of a tank water heater means the system only lasts around 12 years due to corrosion and rust build up.
Therefore if anything goes wrong the homeowner will not have to pay for repairs or foot the bill for a replacement.
The operational life of a tankless water heater is usually 20 years if not more.
Often more expensive than tank style heaters tankless water heaters can last up to 30 years.
A tankless water heater lasts about 20 years.
For a tank based traditional hot water system the lifespan is usually 10 years.
On average tank style water heaters last between 8 and 12 years however tankless water heaters usually last over 20 years.
Additional maintenance is possible.
In both cases they last for around 20 years.
They also have easily replaceable parts that extend their life by many more years.
Warranties can run up to 20 years which is the average lifespan of a tankless heater.
Because of their lengthy lifespan tankless heaters have longer warranties.
If you re already in your forever home or plan to stay where you are for a while investing in a tankless water heater will save you from needing a replacement for a very long time.
In contrast storage water heaters last 10 15 years.
With regular maintenance and repairs a tankless system may last up to 30 years or up to 3 times longer than a traditional hot water heater.
A traditional water heater lasts about 12 years.
Most tankless water heaters have a life expectancy of more than 20 years.
Tankless water heater maintenance requirements are not owner intense but they are very important.
Unlike traditional heaters though there is little difference in lifespan between tankless gas and tankless electric water heaters.
A tankless water heater can last up to 20 years sometimes even longer.
With proper care however they can keep providing you with hot water for longer even up to 30 years.