The environmental conditions to which humans are exposed are linked to their health and well-being. The life-giving air we inhale affects our well-being and problems with the condition of that air affect our health directly.

Aside from our internal vital organs and bone structure, our largest organ, the skin, is exposed to the air and affected by its quality. Air humidity is thus important for an acceptable quality of life.

Variation 10 Litres - Class

A distinction is made between.

•Absolute air humidity, which indicates the quantity of water vapour contained in 1 kg of air and

• relative air humidity, which indicates the relationship between the quantity of water vapour actually contained and the maximum that can be absorbed in %.

The comfort range lies between 50-65% relative humidity. At these values there is a level of comfort in which a person feels a sense of well-being.

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