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Ventilation design helps Bloomberg HQ beat BREEAM record

Score of 98.5% is claimed to be world record for design-stage

The recently completed Bloomberg headquarters in London has set a new world record BREEAM ‘Outstanding’ sustainability rating for an office building at design-stage, with a score of 98.5%..

The project fuses low-energy natural ventilation with supplementary hybrid-mechanical ventilation, to ensure that energy usage is minimised whilst thermal comfort and air quality are ensured throughout the range of external weather conditions experienced in London.

Air movemement specialist Breathing Buildings supported the Sustainability team at architect Foster+Partners during the early and detailed design stages of the project. An in-depth study was undertaken at early design stage to investigate flow patterns within and between internal floors of the building, while ’water bath modelling’ was used to visualise flow paths, forming a key part of the design team’s efforts to establish the range of flow regimes, the firm said..

“Flexibility in design and adaptability of this kind are crucial features of new buildings if they are to be resilient to both predictable and unpredictable changes in climate over the coming years and decades,” Breathing Buildings said.



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