Like most appliances and systems in your home the life expectancy of a tankless water heater varies.
Average life of tankless hot water heater.
In both cases they last for around 20 years.
Using a natural gas rate of 10 86 per 1 000 cubic feet we calculated that the payback time for converting from a storage tank gas water heater to a gas tankless ranges from 22 years to 27 years.
Additional maintenance is possible to keep the warranty valid owners must perform annual maintenance and perhaps run a water softener.
Unlike traditional heaters though there is little difference in lifespan between tankless gas and tankless electric water heaters.
Warranties can run up to 20 years which is the average lifespan of a tankless heater.
Tankless water heaters can avoid the standby heat losses associated with storage water heaters.
Often more expensive than tank style heaters tankless water heaters can last up to 30 years.
A tankless water heater lasts about 20 years.
Also called on demand water heaters these appliances do not work continuously to maintain a supply of hot water and.
In contrast storage water heaters last 10 15 years.
Time frame during the average life span of a water heater the minerals that have dissolved into the water source collect on the inside of the tank and can slowly corrode the tank over time.
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.
Homeowners should also flush out their system annually to prevent mineral build up in the heater or water line.
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.
A traditional water heater lasts about 12 years.
The maintenance requirements for a tankless model are not too intensive fortunately.
With proper care however they can keep providing you with hot water for longer even up to 30 years.
Most water heater manufacturers predict their unit s lifespan to be around 20 years with normal usage and moderate upkeep.
They also have easily replaceable parts that extend their life by many more years.
Most tankless water heaters have a life expectancy of more than 20 years.
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.
On average tank style water heaters last between 8 and 12 years however tankless water heaters usually last over 20 years.
Department of energy estimates gas fired tankless heaters save an average of 108 in energy costs per year over their traditional tank counterparts while electric tankless heaters save 44 per year.
