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Posts Tagged ‘carbon dioxide’

January 23, 2017

CO2 in homes! Measure temperature, humidity and carbon dioxide!

Many hazardous substances in our homes and in indoor air are neither smell nor give any clear symptoms. Clearly, however, that good ventilation is a very important prerequisite for the indoor air to be and be perceived as clean and healthy. With simple measuring devices for household use, we can measure the air temperature and […]...

AUTHOR: Petra Vladykova Bednarova

December 30, 2015

History of ventilation: Carbon dioxide as an indicator of indoor air pollution in 1858!

In 1858, the German scientist Max von Pettenkofer was interested in the "air toxins", i.e. smells of the crowded room. He did not know what it was to poisons, how…...

AUTHOR: Daniel Olsson