How do electric sauna heaters work? … The resistance causes electric energy to be converted into heat energy, and as a result the elements heat up. Heat is then transferred from the heating elements to stones that are stacked on top of them. These stones store the heat, and consequently heat the air surrounding them.

Can you put water on electric sauna heaters?

As a mater of fact all electric sauna heaters can be used with water. … When adding water to the rocks of the sauna be careful not to add too much at once and be sure to use a sauna ladle. The steam is very hot, and a steam burn can happen quickly to bare skin.

How much electricity does a sauna heater use?

Usually, your sauna seller will be able to help you estimate how much power your sauna will use per hour. As a rough calculation, a 1000W sauna will use around 1 kWh (1 kilowatt per hour) of electricity.