The main aspect of the ventilation device — it should not interfere with the set and maintaining a high temperature in the paired room. To do this, do it deaf, or with a small window in the washing room. Such a principle will save the heat in the steam room and significantly heat the washing room for a comfortable stay. Air exchange should maintain the optimal oxygen content, since hypoxia, along with fever, can lead to dizziness, loss of consciousness, etc. D.
