The 35th AIVC Conference " Ventilation and airtightness in transforming the building stock to high performance", was held in Poznań, Poland, 24-25 September 2014. Contains 86 papers.

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In low energy buildings and passive houses due to very low heating demands integrated heating and ventilation (VAV or DCV) systems are used to provide proper indoor climate conditions – thermal comfort and indoor air quality.
Kamil Szkarłat, Tomasz Mróz
Demand controlled ventilation (DCV) is seen more and more as a promising way to limit the energy consumption due to ventilation in buildings.
Samuel Caillou, Nicolas Heijmans, Jelle Laverge, Arnold Janssens
Mechanical positive input and extract ventilation are common strategies employed in English houses, generally because they provide adequate indoor air quality and specifically because they are effective at minimizing mould growth and its associate
Benjamin Jones, Robert Lowe
We propose a new approach for measuring air infiltration rates in buildings.
João Dias Carrilho, Mário Mateus, Stuart Batterman, Manuel Gameiro da Silva
The present study aims at investigating carbon dioxide (CO2) concentrations inside elementary schools’ classrooms and how students’ productivity is affected.
John Sifnaios, Paraskevi Vivian Dorizas, Margarita-Niki Assimakopoulos
Cooking devices are a major source of contaminants in dwellings. They cause exposure to combustion products and vapors. The type and production rate of contaminants depend on the heating type (gas vs.
Bas Knoll, Wouter Borsboom
In both, newly built and renovated buildings the building air-tightness has to be ensured. With a tight building envelope comes a low infiltration air-exchange.
Matthias Pazold, Florian Antretter, Marcus Hermes
In the past, many churches were raised and in a church building no heating no heating system was installed, except a simple individual coal or peat stove, which could be rented by the churchgoers.
Lien De Backer, Jelle Laverge, Arnold Janssens, Michel De Paepe
In Sweden, the energy usage in existing residential buildings amounted to 147 TWh in 2012, equivalent to almost 40 % of the final overall national energy usage.
Qian Wang, Sture Holmberg
Mandatory building airtightness testing came gradually into force in the UK, France, Ireland and Denmark.
Valérie Leprince, François-Rémi Carrié
Traditional building technologies establishing highly-breathing multi-layered wall systems provide healthy indoor environment and energy efficiency in buildings due to the use of lightweight, porous, water vapour permeable and thermal resistive bu
Başak Yüncü, Ayşe Tavukçuoğlu, Emine N. Caner-Saltık
During field measurements on the airtightness of passive houses, ventilations system’s roof penetrations showed to be one of the major leakage paths, as they were not sealed using the appropriate, durable techniques.
Wolf Bracke, Nathan Van Den Bossche, Arnold Janssens
Reduction of energy consumption and green house gas emissions of buildings is a great challenge in Europe. In this context French energy performance regulation, RT2012, requires an improvement of the buildings' airtightness.
Sylvain Berthault, Florent Boithias, Valérie Leprince
MONICAIR --MONItoring & Control of Air quality in Individual Rooms-- is a pre-competitive field research project of a broad consortium of Dutch ventilation unit manufacturers and research institutes, supported by the Dutch government.
Rob C.A. van Holsteijn, William L. Li
In the “Exemplary Buildings” program of the Brussels Capital Region, building owners and designers are challenged to realise building projects of both high architectural quality and superior environmental performance.
Bram De Meester, Thibaut Hermans, Hendrik-Jan Steeman
To realize the concept of low-energy buildings, an increase in the thermal insulation performance of building parts, especially the openings that show poor insulation performance, is necessary.
Daisuke Kawahara, Shinsuke Kato
Zero Energy Buildings require airtightness and mechanical ventilation systems to provide air changes and energy saving. These requirements contrast with the principles of natural ventilation.
Luca Guardigli, Paolo Cappellacci Fausto Barbolini
The article describes the results of an experimental campaign carried out at ITC-CNR in outdoor test cells to evaluate the energy performance and the related comfort level achieved through a coupled system made up of a dynamic window and a heat re
Ludovico Danza, Benedetta Barozzi, Lorenzo Belussi, Francesco Salamone
The airtightness just after the end of a building phase is assumed to be relevant criteria for high energy performance. Testing on site the initial performance of the airtightness via the blower door test has become nowadays a common practice.
Benoît Michaux, Clarisse Mees, Evelyne Nguyen, Xavier Loncour
This paper presents the new framework for the realization of reliable pressurization tests in Belgium and the provisions taken to widen the number of buildings where a valid pressurization test can be realized.
Xavier Loncour, Christophe Delmotte, Clarisse Mees, Maarten De Strycker