BUILDUP

The European Portal For Energy Efficiency In Buildings

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Language: English
Visits: 2679 visits

The airtightness measurement of single apartments is usually performed the same way as in individual houses. Therefore, there is no specific protocol to balance the pressure between the ...

Language: English
Visits: 2666 visits

There exists a certification scheme in Germany which is not compulsory to perform tests.
There exists a compulsory authorisation process in France for technicians who perform test on ...

Language: English
Visits: 3027 visits

The SAVE-DUCT project has shown that there are large discrepancies between countries on this subject (the project report is available through AIVC at

Language: English
Visits: 3051 visits

To our knowledge, the UK is the only country that has made testing mandatory. This has been in force since 2002 for large buildings and extended to most buildings in 2006.

Anwered by: ...

Language: English
Visits: 2755 visits

There are three major ways to estimate this impact:
- the simplest is to evaluate the infiltration losses based on a rule of thumb established by Drubul in 1988 (*) and suggested by ...

Language: English
Visits: 3197 visits

Now in Europe, many countries have adopted the n50 value (i.e., the leakage flow divided by the volume) for their EP regulation while others (e.g., Belgium, France, UK) use the envelope area ...

Language: English
Visits: 2850 visits

Measuring or evaluating the airtightness of multi-family buildings is challenging as there may be technical and practical difficulties that prevent from pressurizing the whole building. These ...

Language: English
Visits: 2552 visits

There is no up-to-date document at this time.

Anwered by: Rémi Carrié and Gaëlle Guyot (CETE de Lyon)
Date: 2008/12/12

Language: English
Visits: 3098 visits

There is little information on the subject at the moment. A study referenced in a paper written by Erhorn et al. and presented at the 2008 AIVC conference shows airtightness values of 31 ...

Language: English
Visits: 2619 visits

Energy wastage due to envelope leakage has been estimated in various countries through numerical simulations:
- in Belgium and in Germany, the energy impact has been calculated to be ...

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