Sauna with an electric heater
- The air in the sauna should change six times per hour.
Mechanical ventilation
The supply air vent must be located in the upper part of the sauna. If the sauna heater is equipped with a separate temperature sensor, ensure that the supply air does not interfere with the operation of the temperature sensor. Figure 1. See instructions for Installing a temperature sensor.
Figure 1. Minimum distance from the supply air vent to the temperature sensor.
Gravity ventilation
The supply air vent should be installed below or next to the sauna heater. The diameter of the supply air vent should be between 50 mm and 100 mm.
Exhaust air vent: Place the exhaust air vent near the floor, as far away from the heater as
possible. The diameter of the exhaust air pipe should be twice the diameter of the supply air
pipe.
Optional vent for drying (closed during heating and bathing). The sauna can also be dried by
leaving the door open after bathing.
If the exhaust air vent is in the washroom, the gap underneath the sauna door must be at
least 100 mm. Mechanical exhaust ventilation is mandatory.
Note! Heaters equipped with a separate temperature sensor:
The temperature sensor must always be installed in the specified place instructed in the heater manual. If the minimum distance from the supply air vent is not met, the ventilation must be altered!
Do not place the supply air vent so that the air flow cools the temperature sensor! Figure 1.
See instructions for Installing a temperature sensor.
Sauna with a woodburning heater
Gravity ventilation
A. The fresh air inlet must be placed close to the floor near the stove and
B. its outlet should be as far away from the stove as possible, and near the roof. The stove itself circulates air effectively; the purpose of the outlet is mainly to remove humidity from the sauna after bathing.
Mechanical ventilation
A. The fresh air inlet must be approx. 500 mm above the stove and
B. the outlet should be close to the floor, e.g. under the benches.