Due to its specific characteristics, the architecture of the sauna is interesting because it gives us lessons related to efficiency and the beauty of simplicity. These are generally very basic structures with a clear function, created to contain different levels of heat and humidity. Thanks to this steam bath, people can release toxins and improve their blood circulation. In addition, they are widely used in cold climates, in close proximity to nature and utilizing the presence of water.

To function, these normally airtight spaces contain a series of internal benches with different dimensions and a heat source that must reach temperatures between 80 and 90°C, including, if necessary, a chimney to expel the smoke. Wood is the material par excellence for saunas, using in most cases native species that maintain their rustic appearance and natural texture. Next, we review 9 saunas designed by architects, including some of their construction details.