Effects of ventilation methods on indoor air quality of HVAC-equipped public elementary schools

Kenta Sakai, Daisuke Nakamura, Haruno Ishikawa, Shin Ichi Tanabe

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The purpose of this study is to investigate the actual conditions of the indoor environments within public school classrooms and to obtain fundamental information regarding their ventilation design. Field surveys on indoor air quality were conducted at two public elementary schools in Tokyo, equipped with air-conditioning systems. School-A is equipped with heat-exchange ventilation, while School-B does not contain a ventilation facility. The study revealed that School-A has proper indoor air quality and an appropriate thermal environment. However, inconsistencies in the operational methods of the ventilation system were found, and thus, it is necessary to convey the appropriate operation methods to achieve the system's full advantages. The indoor air quality and thermal environment in School-B varied among classrooms. For example, the CO2 concentration was at a suitable value owing to the opening of windows during cooling; however, a large heat load was generated.

Original languageEnglish
Title of host publication15th Conference of the International Society of Indoor Air Quality and Climate, INDOOR AIR 2018
PublisherInternational Society of Indoor Air Quality and Climate
ISBN (Electronic)9781713826514
Publication statusPublished - 2018
Event15th Conference of the International Society of Indoor Air Quality and Climate, INDOOR AIR 2018 - Philadelphia, United States
Duration: 2018 Jul 222018 Jul 27

Publication series

Name15th Conference of the International Society of Indoor Air Quality and Climate, INDOOR AIR 2018

Conference

Conference15th Conference of the International Society of Indoor Air Quality and Climate, INDOOR AIR 2018
Country/TerritoryUnited States
CityPhiladelphia
Period18/7/2218/7/27

Keywords

  • CO2 Concentration
  • Elementary schools
  • Indoor air quality
  • Ventilation

ASJC Scopus subject areas

  • Pollution

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