We often talk about healthy living and quality of life but have you considered the quality of the air you breathe?
Most of us spend up to 90 per cent of our time indoors, according to many surveys. Add up the time you spend at home, in the office and on transport, and you will see how close this figure is for yourself.
The study of indoor air quality did not achieve any public prominence until the 1970s. This was brought on by the "Oil Shock" that rapidly pushed energy prices to unprecedented highs. The response from building managers in the United States and elsewhere was to reduce the fresh air entering a building and recirculate as much as possible to retain heat in winter and keep out heat in summer. Read more...