BUILDUP

The European Portal For Energy Efficiency In Buildings

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Language: English
Visits: 3156 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: 2820 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: 2537 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: 3066 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: 2603 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 ...

Language: English
Visits: 2592 visits

To some extent yes. A collection and analysis of some data collected through the ASIEPI partners has been presented at the 2008 BlowerDoor conference (Papaglastra et al., 2008). However, ...

Language: English
Visits: 3056 visits

To our knowledge, only two low-energy labels include a minimum requirement for low-energy buildings:
- the PassivHaus standard (

Language: English
Visits: 2666 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: 2652 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: 2985 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

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