10 January 2019
People spend more than 80 percent of their time in closed rooms – at home, in the workplace, fitness studio, cinema, restaurant or other institutions. In all these places, good quality air is important for health and well-being. What, however, makes indoor air quality good? What does it depend on? And how can it be guaranteed?
If inhabited spaces do not have any particular pollutants with high concentrations of hazardous substances, such as are, for instance, given off in manufacturing processes, then the crucial contaminant to take into account, when determining air quality, is the CO2 content. Many studies have shown that from concentrations in the ambient air of around 1,500 ppm of CO2 upwards, people’s ability to concentrate diminishes significantly. Since people expel around 20 litres of CO2 into the ambient atmosphere every hour, simply by breathing, significantly higher values are soon reached in living rooms, workplaces and classrooms. In workplace regulation ASR 3.6, the German employers’ insurance associations recommend, therefore, that, in order to exclude any possibility of damage to health, the CO2 concentration levels should be kept permanently below 1,000 ppm. This is also recommended in many other standards and guidelines.
As well as CO2, there are other substances that also pollute the indoor air and thus the air we breathe: for example, the emanations from building materials and interior furnishings, such as adhesives and fitted carpets. These and other substances should, therefore, also be removed from interior areas.
No doubt, in many cases, a satisfactory indoor air quality can be achieved by just opening a window or two; but this is never a permanent solution. The influx of cold air in winter or hot air in summer ruins the energy balance of the building. In addition, opening the window in many inner-city locations is not a good option, because of the noise or poor-quality external air. A permanent solution for ensuring good air quality is offered only by sophisticated air-quality technology – in other words, ventilation systems appropriate for domestic dwellings and workplaces. Such systems can be experienced live at ISH.
https://ish.messefrankfurt.com
The importance of air at ISH: good air quality pays off
The ground-breaking advances in the refrigeration, air-conditioning and ventilation technologies can be experienced first-hand at ISH, from 11 to 15 March 2019 in Frankfurt am Main. With over 2,400 exhibitions, ISH is the world’s largest show for the combination of water and energy.
 Photo: Messe FrankfurtProfessional ventilation ensures good air quality |
If inhabited spaces do not have any particular pollutants with high concentrations of hazardous substances, such as are, for instance, given off in manufacturing processes, then the crucial contaminant to take into account, when determining air quality, is the CO2 content. Many studies have shown that from concentrations in the ambient air of around 1,500 ppm of CO2 upwards, people’s ability to concentrate diminishes significantly. Since people expel around 20 litres of CO2 into the ambient atmosphere every hour, simply by breathing, significantly higher values are soon reached in living rooms, workplaces and classrooms. In workplace regulation ASR 3.6, the German employers’ insurance associations recommend, therefore, that, in order to exclude any possibility of damage to health, the CO2 concentration levels should be kept permanently below 1,000 ppm. This is also recommended in many other standards and guidelines.
As well as CO2, there are other substances that also pollute the indoor air and thus the air we breathe: for example, the emanations from building materials and interior furnishings, such as adhesives and fitted carpets. These and other substances should, therefore, also be removed from interior areas.
No doubt, in many cases, a satisfactory indoor air quality can be achieved by just opening a window or two; but this is never a permanent solution. The influx of cold air in winter or hot air in summer ruins the energy balance of the building. In addition, opening the window in many inner-city locations is not a good option, because of the noise or poor-quality external air. A permanent solution for ensuring good air quality is offered only by sophisticated air-quality technology – in other words, ventilation systems appropriate for domestic dwellings and workplaces. Such systems can be experienced live at ISH.
https://ish.messefrankfurt.com
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New study “Global Visitor Insights” published
According to a new Global Visitor Insights study, trade show visitors globally are reporting a stable overall satisfaction with the shows they attend – but at the same time, between 22 and 27 per cent of show visitors from mature markets feel that shows are "getting worse". (more…)2 July 2018
Koelnmesse establishes subsidiary in Colombia
Koelnmesse is further expanding its presence on the Latin American market: With the establishment of the subsidiary Koelnmesse SAS in Colombia with headquarters in Bogotá, Koelnmesse is the first international trade fair organiser to be represented in this key Latin American trade fair market with its own subsidiary. (more…)
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