Ventilation ductwork resistance to microbial growth under humid and cold conditions

Ilia Kravchenko, Risto Kosonen, Simo Kilpeläinen, Sami Lestinen, Pertti Pasanen

Research output: Contribution to journalArticleProfessional

Abstract

Two different night-time ventilation strategies for public buildings were examined: continuous and intermittent ventilation. The systems operated for 4 months under humid and cold conditions with microbial media released inside the ductwork. Contact and air samples showed the extinction of colonies by the end of the experiment regardless of the chosen night-time ventilation strategy. This indicated that the risk of microbiological growth in the ductwork is low.
Original languageEnglish
Pages (from-to)34-37
Number of pages4
JournalRehva journal
Volume5
Publication statusPublished - 2023
MoE publication typeD1 Article in a trade journal

Keywords

  • ventilation
  • microbial pollution
  • ductwork mould growth
  • night-time ventilation
  • public buildings
  • air quality

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