Consideration of the requirements of air-renewal in rooms taking into account the sealing requirements of windows. Betrachtung der Anforderungen an die Lufterneuerung in Raumen unter Berucksichtigung der Dichtigkeits-anforderungen an Fenster

Considers the rate of natural ventilation required in a room to maintain a healthy concentration of oxygen given the efficient sealing of windows against draughts. Includes a nomogram toassist the calculation of a rate of air introduction according to the height of the building, wind loads, and type of window construction.