German Home- page of Annex 36 Homepage of the International Energy Agency (IEA-ECBCS)		Vihaistenkari Day Care Centre, Raahe   Address Vihaistenkarinkadun päiväkoti Vihaistenkarinkatu 19 92130 Raahe, Finland Year of construction 1973, expansion 1982 Year of renovation 2001 Total floor area 908 m² Number of pupils about 80 Number of groups 4 Typical classroom 33 - 42 m² 15 – 23 pupils The aim of the study was to develop solutions to the problems and deficiencies encountered in ventilation systems in day care centers. These topics manifest themselves during the maintenance stage of ventilation systems as poor indoor air quality or excessive energy consumption in the building. Measurements of indoor air quality and questionnaires to personnel were made both before and after the renovation work. Retrofit features: In the renovation, the old mechanical exhaust ventilation system was replaced with a mechanical supply and exhaust ventilation system. The most important aim of the renovation work was to improve the quality of the indoor air.   total report as pdf-download in English   © 2004 Fraunhofer Institute for Building Physics