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ISSN 2029-7092 online
ISBN 978-609-457-690-4 CD
ISBN 978-609-457-640-9
Energy for Buildings
 

Richard Nagy, Danica Košicanova, Jan Lojkovics

Air quality and energy savings in school and office buildings

Conference Information: 9th International Conference on Environmental Engineering, MAY 22-24, 2014 Vilnius, LITHUANIA
Source: ICEE-2011 - International Conference on Environmental Engineering
Book Series: International Conference on Environmental Engineering (ICEE) Selected papers
ISSN: ISSN 2029-7092 online
ISBN: 978-609-457-640-9 / 978-609-457-690-4 CD
Year: 2014
Publisher: Vilnius Gediminas Technical University Press Technika

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Abstract

The paper focused to the possibility of heat recovery applications in indoor building space. Heat recovery system is designed especially in passive houses, but did not prevent the intended use of the existing building. All objects, whether new or upgraded, especially if you need certification of buildings, should use heat recovery ventilation to improve indoor air quality and improving energy class in buildings. This article is a case study of selected space in school building (classroom) where we will show significant savings by introducing a system recovery. Also the selection of ventilation system and total air ventilation rates defined in Standard STN EN 15 251 present air change rate in which the objective benefit of proper selection of ventilation system and air distribution scheme is lost (erased) in relation to indoor air quality (IAQ) and energy savings. With help of sensory evaluation in research the total minimum ventilation rate was estimated. It was reason how to determine major boundary condition (air quantity = air ventilation rate) for minimizing of responsibility size of air quantity (quantitative component of ventilation) and maximize the impact of the choice of distribution scheme and the distribution element (qualitative component of ventilation) for transfer and distribution of pollutants in research and also for energy savings.

Keywords: distribution system; ventilation rate; heat recovery; energy.

 
 
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