LoginThe airtightness of office buildings influences energy use and thermal comfort. A leaky office buildingis likely to have a high use of energy and thermal discomfort.
Bibliographic database Airbase
AIRBASE is the Bibliographic Database of the AIVC. It contains publications and abstracts of articles related to energy efficient ventilation. Where possible, sufficient detail is supplied in the bibliographic details for users to trace and order the material via their own libraries. Topics include: ventilation strategies, design and retrofit methods, calculation techniques, standards and regulations, measurement methods, indoor air quality and energy implications etc. Entries are based on articles and reports published in journals, internal publications and research reports, produced both by university departments and by building research institutions throughout the world. AIRBASE has grown and evolved over many years (1979 to present day, over 22000 references and 16000 documents available online). For most of the references, the full document is also available online.
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Already in the year 1983, the general basis paper for noting air tightness, which was elaborated by the Swedish construction council for the AIVC, pointed to the particular risk of moisture stresses in consequence of water vapor carriage due to ai
Two studies have recently been performed to evaluate the current form of the Delta-Q test for duct leakage. In the first study 19 new homes in Wisconsin, USA were tested, and in the other 14 existing homes in Central Illinois, USA were measured.
An object reconstructed for residential purposes approved to be not sufficiently air tight. With methods that are generally known as inappropriate, it was tried to improve the air tightness subsequently to a reasonable level.
With the background of different climates within Norway it was interesting to show the resulting differences in energy demand for the same typical office building.
The developed method uses Radon as natural tracergas, which appears everywhere in the nature hence in all buildings as well.
Although there have been built about 20 sports halls with passive house standards by now, where the principles of residential houses and first experiences of built sports hall projects were used, but concerning the principles, there are still cons
Air tightness of the building envelope contains important initial data for hygrothermal design and energy calculation.
From the year 2007 the buildings must have energy efficiency calculations, which requirements arenow part of Building Code Book.
The airtight version of a building envelope has been accepted as a structural engineering challenge in by construction workers in Germany.
This paper investigates the practical feasibility of an exterior air barrier for the construction of a recently constructed light weight passive house in Ghent, Belgium.
In this work the air leakage database of French single family dwellings, available at the CETE de Lyon (Centre d’Études Techniques de L’Équipement), has been analysed.
The basic statistics of airtightness test results collected since 2002 in the Czech Republic arepresented. The test results are compared with the limit values according to national standard CSN 730540-2.
There is increasing recognition of the importance of quantifying the airtightness of large commercialand residential buildings. Often these tests must be performed with multiple fans and technicians,usually within a narrow time window.
When two adjacent residential buildings in Ludwigshafen were fully renovated in 2005/2006, energyefficiency was a focal point from the very beginning.
The combination of air tightness measurements and thermography introduces new application areas for both practices: the building thermography will be extended by a systematic leakage locating in the building envelope and during air tightness measu
Attic moisture control is one of the key issues addressed by the hygrothermal design of wood-frame houses. In general, exfiltration and natural ventilation are recognized as the main factors in determining the hygrothermal behaviour of an attic.
As we increase energy requirements on ventilation, it is essential to assess the real performance of these systems on site, both for energy savings and IAQ aspects.Applied on two new buildings located in Paris and near Lyon (France), "Performance"
Experiences of the past years showed that it is possible to achieve a considerably better air flow rate in large buildings than it is targeted by the regulation of energy saving.
In order to determine the causes of SHS (Sick House Syndrome), a field survey on indoor air quality and health conditions of occupants has been conducted for 8 years in 77 detached wooden houses in Japan.