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Types of ventilation

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h air. Opening windows twice a day is not enough (see [[[planning:building services:Ventilation:Basics:... aks is not adequate in the heating period at all (see also [[Planning:Airtight construction]]): \\ *... hour is insufficient for good health and comfort (see following illustration).\\ \\ ==== Why is an ade... d humidity can be seen clearly. * One can also see that each time the window is opened for air excha

Air volumes

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eased effort for maintenance, hygiene and energy; see section about ventilation/humidity).\\ \\ ==== A... at -5°/90% only about 3 g per cubic metre of air, see following illustration).\\ \\ |{{:picopen:vapour-... about physiological impairments at low indoor air see {{:picopen:low_humidity.pdf|here}}. In this case,... which must however be cleaned regularly. ===== See also ===== [[planning:building_services:ventilat