Ventilation and indoor air quality in newly built school with hybrid ventilation

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Ventilation and indoor air quality in newly built school with hybrid ventilation. / Vornanen-Winqvist, Camilla; Ahmed, Kaiser; Toomla, Sander; Kurnitski, Jarek; Mikkola, Raimo; Salonen, Heidi.

Healthy Buildings 2017 Europe . Lublin, Poland, 2017. 0228.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Harvard

Vornanen-Winqvist, C, Ahmed, K, Toomla, S, Kurnitski, J, Mikkola, R & Salonen, H 2017, Ventilation and indoor air quality in newly built school with hybrid ventilation. in Healthy Buildings 2017 Europe ., 0228, Lublin, Poland, Healthy Buildings Europe, Lublin, Poland, 02/07/2017.

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Bibtex - Download

@inproceedings{b9ee22cd871d40e1813f81f9261d64fb,
title = "Ventilation and indoor air quality in newly built school with hybrid ventilation",
abstract = "This paper is a case study of ventilation and indoor air quality (IAQ) investigations in a Finnish comprehensive school with hybrid ventilation system and several reported IAQ problems. The functionality of hybrid ventilation system and perceived and measured IAQ in the classrooms with perceived stuffy air and bad odors were determined. Supply air distribution to classrooms was CO2 controlled. Measurements revealed that supply air flow rate was insufficient, and CO2 concentration or other IAQ measurements were unable to detect ventilation and IAQ problems, which were caused due to improper operation and guidance system error. Pressure losses in the supply air duct system caused uneven supply air distribution to classrooms. However, results indicate that hybrid ventilation changed to mechanical supply ventilation is able to provide adequate ventilation and IAQ when designed and maintained properly.",
keywords = "Hybrid ventilation, school building, indoor air quality, CO2-concentration, pressure difference",
author = "Camilla Vornanen-Winqvist and Kaiser Ahmed and Sander Toomla and Jarek Kurnitski and Raimo Mikkola and Heidi Salonen",
year = "2017",
language = "English",
isbn = "9788379472604",
booktitle = "Healthy Buildings 2017 Europe",

}

RIS - Download

TY - GEN

T1 - Ventilation and indoor air quality in newly built school with hybrid ventilation

AU - Vornanen-Winqvist, Camilla

AU - Ahmed, Kaiser

AU - Toomla, Sander

AU - Kurnitski, Jarek

AU - Mikkola, Raimo

AU - Salonen, Heidi

PY - 2017

Y1 - 2017

N2 - This paper is a case study of ventilation and indoor air quality (IAQ) investigations in a Finnish comprehensive school with hybrid ventilation system and several reported IAQ problems. The functionality of hybrid ventilation system and perceived and measured IAQ in the classrooms with perceived stuffy air and bad odors were determined. Supply air distribution to classrooms was CO2 controlled. Measurements revealed that supply air flow rate was insufficient, and CO2 concentration or other IAQ measurements were unable to detect ventilation and IAQ problems, which were caused due to improper operation and guidance system error. Pressure losses in the supply air duct system caused uneven supply air distribution to classrooms. However, results indicate that hybrid ventilation changed to mechanical supply ventilation is able to provide adequate ventilation and IAQ when designed and maintained properly.

AB - This paper is a case study of ventilation and indoor air quality (IAQ) investigations in a Finnish comprehensive school with hybrid ventilation system and several reported IAQ problems. The functionality of hybrid ventilation system and perceived and measured IAQ in the classrooms with perceived stuffy air and bad odors were determined. Supply air distribution to classrooms was CO2 controlled. Measurements revealed that supply air flow rate was insufficient, and CO2 concentration or other IAQ measurements were unable to detect ventilation and IAQ problems, which were caused due to improper operation and guidance system error. Pressure losses in the supply air duct system caused uneven supply air distribution to classrooms. However, results indicate that hybrid ventilation changed to mechanical supply ventilation is able to provide adequate ventilation and IAQ when designed and maintained properly.

KW - Hybrid ventilation

KW - school building

KW - indoor air quality

KW - CO2-concentration

KW - pressure difference

UR - http://www.scopus.com/inward/record.url?scp=85049807889&partnerID=8YFLogxK

M3 - Conference contribution

SN - 9788379472604

BT - Healthy Buildings 2017 Europe

CY - Lublin, Poland

ER -

ID: 15861041