As their name implies tankless or on demand water heaters don t store water in a tank.
Compare tank vs tankless water heaters.
The doe notes that storage tank water heaters typically last 10 to 15 years while most tankless units have a life expectancy of 20 years or more.
With the option for natural gas or an electric tank water heater you do see some benefits to selecting the tank option.
And there are limits to how much hot water can be produced per minute.
Compared to the tankless the tank water heater will have a higher energy bill due to its continuously heating water even when not in use.
Tankless heaters however are more complex which makes repairs or replacement more challenging.
They are easy to reach and have few parts that may need replacing.
They are smaller and more energy efficient than traditional storage tank water heaters but more expensive.
Tank style water heaters are simple to repair and replace.
Tankless water heaters are more compact and can heat up water as you use it.
Tankless water heaters heat only the water you need when you need it eliminating the need for a storage tank.
And storage tank water heaters while less expensive up front don t last as long as tankless options.
This makes repairs fairly inexpensive if something goes wrong.