1. Air Circulation: The heated air in the sauna needs to be circulated. Otherwise, the humidity inside the sauna will increase, affecting the user experience.
2. Safety: Safety should be maintained when using a sauna, especially in saunas with wood stoves. Fire safety should be taken into consideration.
3. Temperature Control: The temperature inside the sauna should be kept within an appropriate range to avoid excessively high temperatures that could adversely affect users.
