Concentration versus m3 air per hour: the battle of the assessors?

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Abstract

The opposite of the performance approach is the prescriptive approach. If we refer to an amount of air changes per hour (ACH) or a flow rate in m3 air per hour (qv) we assume a certain performance of the ventilation as with these parameters we now prescribe the ventilation. But, with focus on the indoor environment, a certain ‘x’ m3 air per hour is not the targeted outcome of ventilation. What is desired of ventilation are performances such as health and (local) comfort; for example the sleep quality in a sleeping room. Instead of air change per hour we should be talking about air quality and thermal comfort or maybe even physiological indicators that directly relate to health and comfort.
Original languageEnglish
Title of host publicationAIVC 2017 Workshop on IAQ metrics: Is ventilation the answer to indoor air quality control in Buildings? Do we need performance-based approaches?, 14-15 March 2017, Brussels, Belgium
Number of pages2
Publication statusPublished - 14 Mar 2017
EventAIVC 2017 Workshop on IAQ metrics, Is ventilation the answer to indoor air quality control in Buildings? Do we need performance-based approaches?, 14-15 March 2017, Brussels, Belgium - Brussels, Belgium
Duration: 14 Mar 201715 Mar 2017
http://www.aivc.org/event/14-15-march-2017-workshop-brussels-ventilation-answer-indoor-air-quality-control-buildings-do

Workshop

WorkshopAIVC 2017 Workshop on IAQ metrics, Is ventilation the answer to indoor air quality control in Buildings? Do we need performance-based approaches?, 14-15 March 2017, Brussels, Belgium
Abbreviated titleAIVC2017
CountryBelgium
CityBrussels
Period14/03/1715/03/17
Internet address

Keywords

  • Ventilation
  • performance
  • system indicators
  • room indicators

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