Passivhaus Series: 1. Fundamentals of Passivhaus

  • Wednesday, 21 April, 2021 - 13:00 to Wednesday, 21 April, 2021 - 17:00
  • Online, ,
  • Online
  • Tess
  • marketing@greenregister.org.uk
  • https://www.greenregister.org.uk/civicrm/event/info?reset=1&id=681
  • Although the full Passivhaus training is a fantastic way to gain an in depth understanding of all aspects of Passivhaus design, some construction professionals may not have the time or resources to be able to attend the typical Passivhaus two week course.

    These half-day sessions offer insight into all the main principles i.e. what makes a good low energy, comfortable building based on the Passivhaus standard. The training is ideal for architects and other design professionals as the focus in these courses is on design principles.

Description:

This half day session introduces the principles behind the Passivhaus standard (Thermal Comfort!) and the differences from normal construction so that everyone on the design team can understand the process. At the pre planning stage, the focus is mostly on how the choice of Massing/Shape and Glazing/Fenestration can make significant differences to how easily the design can meet the Passivhaus target. Post Planning permission, particularly at detail design stage, the emphasis shifts to ensuring that the actual construction is as close to the theoretical thermal performance as possible. In the UK this gap between theory and practice has become known as the “performance gap”. The main culprits are examined: lack of Airtightness, and problems with Insulation, such as a lack of understanding of thermal bridging and convective bypass, and how these impact negatively on the thermal envelope.

Some attention as to the requirements for all seasons comfort are also discussed: Summer overheating can be dealt with by design if there is an understanding of the processes: seasonal shading, natural and/or mechanical ventilation, together with care over uncontrolled internal heat loads can deal with most problems without recourse to cooling in this climate. Minimizing Summer overheating is a core part of the Passivhaus target.

Finally we take a look at the support and resources available in the UK, from Passipedia.org to Passivhaus designers and building certifiers working in the UK.

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