Has sleep at the Office? Blame it on CO2 excess
The Fraunhofer Institute for Microelectronic Circuits and Systems in Duisburg, in Germany, researchers are working on a way to improve the indoor air pollution of buildings. This is because carbon dioxide levels tend to accumulate in divisions over time, while oxygen levels decrease, creating a stale, stuffy environment and less productive for people.If you ever worked or works in an Office with a post-modern building, then you probably know this scenario: you are in a long meeting and the combination of fluorescent lighting with the dearth of fresh air lets a little sleepy. In fact, a study last year by Lawrence Berkeley National Laboratory concluded that CO2 levels are worse in meeting rooms, such as in classrooms.At the same time that there has been an improvement of insulation, airtight Windows and construction heat savings-oriented as a result of greener building practices, indoor air quality suffer a degradation.Normally, the CO2 levels abroad are around 350 parts per million â€" already in the meeting rooms of offices, the levels can soar to thousands of parts per million, usually due to lack of ventilation.The Fraunhofer Institute, working with the company, then threw a fence Athmer for doors measuring CO2 concentrations of spaces. A sensor is responsible for registering the CO2 levels and, when a limit is reached, the ventilation system comes into action, providing new oxygen to their brains tired.According to the creators, the system results in a compromise between indoor air quality and the optimal use of energy efficiency.Already exists also on the market a series of portable CO2 sensors, some of which emit a beep to let you know when the levels are rising enough to make him sleepy.Photo: under Creative Commons license
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