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Occupancy density and benefits of demand-controlled ventilation in Norwegian primary schools

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Dec 2005Publisher:Elsevier BVJournal:Energy and Buildings, volume 37, pages 1,234-1,240 (issn: 0378-7788,

Authors: Sveinung Berntsen; Peter Schild; Per Nafstad; Per Nafstad; Mads Mysen;

doi: 10.1016/j.enbuild.2005.01.003

Occupancy density and benefits of demand-controlled ventilation in Norwegian primary schools

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Abstract

Abstract One hundred and fifty-seven classrooms for fourth form pupils were inspected at 81 randomly selected schools in Oslo, Norway. Primary school classrooms in Oslo have on average 22 occupants present, while the maximum capacity is 30. Classrooms are typically used 4 h daily for normal school activities. The corresponding ventilating air volume and energy use has been analysed for three ventilation strategies: (a) constant air volume [CAV], (b) CO2 sensor based demand-controlled ventilation [DCV-CO2], and (c) infrared occupancy sensor based demand-controlled ventilation [DCV-IR]. DCV-CO2 and DCV-IR reduce the energy use due to ventilation in the average classroom to 38% and 51%, respectively, compared to the corresponding energy use for a CAV system operating with full airflow from 7:00 am to 5:00 pm.

Related Organizations

University of Oslo
Norway
Norwegian Institute of Public Health
Norway
Norwegian Institute of Public Health
Norway

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	91
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 1%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 1%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average