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We spend 90% of our time indoors


European Commission (2003) - Indoor air pollution: new EU research reveals higher risk than previously thought


Indoor air can be up to five times more polluted than outside


US Environmental Protection Agency - Importance of Indoor Air Quality 

77% are unaware that indoor air can be more polluted


YouGov (2018) - The Indoor Generation Report


Children’s bedrooms can often be the most polluted rooms in the house


Danish Eco Council (2016) - Frisk luft og mindre kemi i børneværelser
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Up to 45% of all children's bedrooms have much too high levels of carbon dioxide due to insufficient ventilation


Danish Eco Council (2016) - Frisk luft og mindre kemi i børneværelser


Living in damp and mouldy homes increases our chance of asthma by 40 per cent


IBP Fraunhofer (2016) - European Indoor Environment has impact on Health and Performance


Only 18 per cent of people believe they spend 21 hours or more inside, when previous research suggests we spend 90 per cent of our day indoors


YouGov (2018) - The Indoor Generation Report / WHO Europe 2013 report / US Environmental Protection Agency


1 out of 6 Europeans lives in an unhealthy building


VELUX A/S (2017) - Healthy Homes Barometer


Today, 84 million Europeans currently live in buildings so damp and mouldy that they are a potential threat to physical and mental wellbeing


VELUX press release (16.11.16) - Respiratory illness cost European governments 82 Billios euros per year


The resulting poor indoor air can provoke a whole range of illnesses from headaches and sore eyes to allergies, asthma - and worse


VELUX A/S (2017) - Healthy Homes Barometer 2017 

Lack of direct sunlight also causes health issues such as vitamin D deficiency, which can contribute to feelings of tiredness, fatigue and low mood


NHS UK  (2015) - How to get vitamin D from sunlight

Experts estimate that up to 30% of the world's population suffer from different levels of SAD (Seasonal Affective Disorder)


The Independent (2014) - Seasonal Affective Disorder: 1 in 3 people suffer from SAD


65% of all Europeans dry clothes indoor at least once a week, which gives off damp


VELUX press release (24.03.15) - Fresh air at home more important than exercise

Approximately ten litres of liquid is produced by the average family every day 


British Standard (2002) - Code of Practice for Control of Condensation in Buildings, 2002

Scientific research has proved the links between lack of daylight and a variety of physical and mental problems 


VELUX A/S (2014) - DEIC Basic book

Vitamin D deficiency, has been linked to problems like tiredness, fatigue and increased vulnerability to disease


VELUX A/S (2018) - Circadian House: Principles and guidelines for Healthy Homes

Artificial light can disrupt our body clock, which can lead to concentration issues, high blood pressure - and more


VELUX A/S (2014) - Daylight & Architecture Magazine 22: Sleep, Work, Live

Most scientists agree that being exposed to two hours of daylight per day is a great boost to our mental wellbeing


VELUX A/S (2014) - Daylight & Architecture Magazine 22: Sleep, Work, Live


Young adults have a delayed biological clock and often find it hard to get up in the mornings


VELUX A/S (2014) - Daylight & Architecture Magazine 22: Sleep, Work, Live

Daylight can improve children's learning abilities by up to 15% 


UPMC / INSERM (2016) - Impact of Lighting on School Performance in European Classrooms