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Better airtightness: better or worse ventilation?

Railio J., 1984
air change rate | air quality | air tightness | ventilation needs | controlled ventilation
Bibliographic info: 5th AIVC Conference "The implementation and effectiveness of air infiltration standards in buildings" Nevada, US, 1-4 October 1983
Languages: English

In Finland there are not yet any regulations or standards concerning the airtightness of buildings. Drafts have caused discussion about whether controlled airtightness would increase the building costs too much, and improved airtightness worsen the indoor air quality. In modern Finnish buildings a good or satisfactory airtightness can be achieved with normal careful workmanship. To secure good indoor air quality, a functioning ventilation system is also necessary. There seems to be no return to traditional 'breathing' structures and natural ventilation. A draft airtightness standard, including proposed requirements for a functioning ventilation system and its operation, is discussed.


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