As the industrial revolution approached metal chimneys were added to the sauna to provide a means of venting the smoke. The wood fired sauna heater evolved to provide a means of integrating the hot fire with a large bed of stones that surrounded the sauna heater. The wood fired sauna heater remains the choice for modern outdoor saunas as it has the power to provide unlimited heat and Loyle.
In 1938, the first electric sauna heater was introduced using an element like that found on a traditional electric stove. The Electric sauna heater provides a means of controlling the heat to a much more accurate level than was possible with wood fried heater. It also provides the convenience to allow users to pre heat the sauna quickly without having to make a fire. The electric heater was the start of the indoor sauna room popularity as homes could now have their own saunas without the need for chimneys and fires. It is now known that there are more saunas in Finland than there are cars. This is due to the popularity of indoor saunas that became popular with the introduction of the electric sauna heater.
While the methods of heating a sauna have evolved, the sauna benefits remain the same. The sauna is the only place where both high heat and low humidity are used. The water added the saunas creates the humidity know as a "wet sauna". Without water the sauna is sometimes called a "dry sauna". The construction of a wet or dry sauna is the same the only difference is the preference for humidity by the bathers.
Today saunas are enjoyed all over the world and are generally known for their relaxing properties their ability to relieve stress. The health benefits or a sauna are well documented and are a great way to improve one's overall wellbeing. Home sauna rooms are also considered a positive investment in a home same as a kitchen or bathroom renovation!