Over the past few years, there has been an increasing number of airtightness tests performed in Europe either for specific high performance buildings programmes or for a wide range of buildings in regulatory contexts. This has led to the development of competent tester schemes to contain potential legal and competition issues.
The venticool platform was inaugurated in September 2012 in response to the needs felt to increase awareness regarding ventilative cooling and to foster exchanges on this topic both for practitioners and researchers. 15 months later, its relevance is clearly confirmed:
The BUILD UP Web Seminar Indoor air quality and thermal comfort: Conserving energy, maintaining health video recordings and slides are now available at:
On November 14 , the Executive Committee of the IEA ‘Energy conservation in Buildings and Community Systems’ programme approved Annex 62 “ventilative cooling” for a 4 years working phase. The venticool platform (http://venticool.eu/) will be the key partner in the communication and dissemination activities. For more information, please contact the operating agent Prof. Per Heiselberg at ph@civil.aau.dk.
Ventilative cooling refers to the use of natural or mechanical ventilation strategies to cool indoor spaces. The use of outside air reduces the energy consumption of cooling systems while maintaining thermal comfort. The most common technique is the use of increased ventilation airflow rates and night ventilation, but other technologies may be considered as well. Ventilative cooling is applicable in a wide range of buildings and may be critical to realise low energy targets for renovated or new Nearly Zero-Energy Buildings (NZEBs).
The TightVent network was launched in January 2011 with a specific focus on building and ductwork airtightness. The 2011, 2012 and 2013 AIVC conferences were combined with the 1st, 2nd and 3rd TightVent conference. In addition, there are several AIVC projects dealing with the topic of airtightness whereby TightVent is involved.
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