Table 1.

Types of passive heat therapies by temperature and humidity levels.

Type	Temperature,°C	Humidity, %
Hot tub	37–40	Varies
Russian sauna/sanarium	50–60	40–70
Waon therapy	40–60	50–70
Balneotherapy	34–38	Varies
Hamman/steam room	40–50	100
Infrared sauna	30–40	0
Sauna (wet)	40–60	100
Finnish sauna	70–110	10–20

The exact temperatures and humidity levels can vary depending on personal preferences, location, and specific equipment.