Big difference in indoor air quality with and without ventilation

It is a well-known fact, however, at KE Fibertec we were recently reminded of how important it is to have a healthy indoor climate in order to maintain high productivity and a good working environment.

During week 12 the floor of a large common room had to be sanded and recoated. To avoid dust in the ventilation system it was turned off Monday and Tuesday. That gave us the opportunity to measure the conditions with and without mechanical ventilation including our own textile based ventilation system for air distribution, and the difference was quite astonishing. 

Using our InTex Meter we are able to measure e.g. temperature and CO2 level. These factors present us with an overall picture of the indoor climate of the room.


The room temperature climbed to 24.7°C during Tuesday (at an outdoor temperature of 10°C).


CO2 level

Normally, the CO2 level is below 500 PPM in this administrative room, but with no ventilation running it rose to critical 1332 PPM during Monday. If the CO2 level exceeds 1000 PPM it may result in headaches and fatigue late in the day which is a very unfortunate development.

Under normal conditions with the textile based ventilation system running, the indoor air quality of the room is on a par with the outdoor air quality - approx. 450 PPM. The ventilation system was turned on again on Wednesday, March 23 at 10 a.m. It takes about 13 hours without ventilation and heat load of persons before the room is back at around 500 PPM.



Above "mini analysis" of the impact with and without ventilation speaks volumes. Mechanical ventilation is necessary to maintain a healthy indoor climate and by that high productivity level at the workplace.

You, too, can measure the indoor air quality at your workplace by using the InTex Meter by KE Fibertec. Contact us for further information. 

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