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People spend the majority of their time inside buildings. In fact, we spend up to 90% of our time living, working, learning and playing indoors. One major problem in European buildings is damp, which can lead to the growth of mould, and a rise in associated illnesses such as asthma. Around 16% of Europeans currently live in damp or mouldy dwellings, and this poses a major challenge for the health and well-being of society.


of our time is spent indoors

80 million

Europeans live in damp and unhealthy buildings, which nearly doubles the risk of developing asthma

82 billion

euros are used on asthma treatment across Europe per year

We currently spend around €82 billion each year on asthma treatment in Europe, and our productivity at work can rise by up to 15% if the indoor environment has adequate daylight, temperature and air quality. So, there’s a clear incentive to reconsider how we shape our homes, schools and offices

Peter Foldbjerg, Head of VELUX Group’s Knowledge Center


Future buildings

Daylight & Architecture

Indoor climate

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