Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Does research results have an impact? Climate change and building insulation
The Intergovernmental Panel on Climate Change has in numerous scientific publications stated that climate change is taking place and it is man-made. Limiting the annual average global temperature rise to 2°C now seems unlikely, 3–4.5°C is now being indicated as more likely. The IEA in its World Energy Outlook report stated that we should prepare for increased annual average temperature trajectories of 3–6°C by 2100. This will have a profound impact on building design. Temperature rises will result in increased need for cooling in Europe. But what effect will a warmer climate have on heat loss and insulation thicknesses of the building envelope? In cold climate zones thicknesses of 35 cm in the walls and 40–50 cm in the roofs are now common in new Passive and in Net Zero Energy Buildings using studs and infill insulation like glass wool or stone wool. The EU Directive on Energy Performance of Buildings encourages this and it has a considerable impact on building construction, its complexity and cost, making buildings into a thermos, effectively eliminating heat loss from the envelope. The field of architecture is about to turn into a competition about who can wrap the most insulation around a building, occasionally regardless of costs. The best ones get stamped ‘green’ architects, are awarded and get access to the glossy architectural magazines. Instead of obediently wrapping layer upon layer of insulation around built form, should we not stop and question if we instead could organize buildings differently so that not the whole building becomes a thermos, instead only a part of it, the emergency ‘crisis’ room, a small volume compound for the extreme situation?
Does research results have an impact? Climate change and building insulation
The Intergovernmental Panel on Climate Change has in numerous scientific publications stated that climate change is taking place and it is man-made. Limiting the annual average global temperature rise to 2°C now seems unlikely, 3–4.5°C is now being indicated as more likely. The IEA in its World Energy Outlook report stated that we should prepare for increased annual average temperature trajectories of 3–6°C by 2100. This will have a profound impact on building design. Temperature rises will result in increased need for cooling in Europe. But what effect will a warmer climate have on heat loss and insulation thicknesses of the building envelope? In cold climate zones thicknesses of 35 cm in the walls and 40–50 cm in the roofs are now common in new Passive and in Net Zero Energy Buildings using studs and infill insulation like glass wool or stone wool. The EU Directive on Energy Performance of Buildings encourages this and it has a considerable impact on building construction, its complexity and cost, making buildings into a thermos, effectively eliminating heat loss from the envelope. The field of architecture is about to turn into a competition about who can wrap the most insulation around a building, occasionally regardless of costs. The best ones get stamped ‘green’ architects, are awarded and get access to the glossy architectural magazines. Instead of obediently wrapping layer upon layer of insulation around built form, should we not stop and question if we instead could organize buildings differently so that not the whole building becomes a thermos, instead only a part of it, the emergency ‘crisis’ room, a small volume compound for the extreme situation?
Does research results have an impact? Climate change and building insulation
Røstvik, Harald N. (Autor:in)
Advances in Building Energy Research ; 7 ; 1-19
01.05.2013
19 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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