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 %?