you spend 90 % of the time within four walls?
the indoor air is up to five times more polluted than the external air?
30 % of people born after 1980 in industrialised countries are clinically allergic?
a healthy indoor climate improves learning performance by up to 23 %?
a combination of ventilation and solar shading reduces the cooling load by up to 63 %?
solar shading can lower the average temperature by up to 12 %?