Building-related symptoms, energy, and thermal control in the workplace : personal and open plan offices

Shahzad, Sally S. and Brennan, John and Theodossopoulos, Dimitris and Hughes, Ben and Calautit, John Kaiser (2016) Building-related symptoms, energy, and thermal control in the workplace : personal and open plan offices. Sustainability (Switzerland), 8 (4). pp. 1-20. 331. ISSN 2071-1050

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    Abstract

    This study compared building-related symptoms in personal and open plan offices, where high and low levels of control over the thermal environment were provided, respectively. The individualized approach in Norway provided every user with a personal office, where they had control over an openable window, door, blinds, and thermostat. In contrast, the open plan case studies in the United Kingdom provided control over openable windows and blinds only for limited occupants seated around the perimeter of the building, with users seated away from the windows having no means of environmental control. Air conditioning was deployed in the Norwegian case study buildings, while displacement ventilation and natural ventilation were utilized in the British examples. Field studies of thermal comfort were applied with questionnaires, environmental measurements, and interviews. Users' health was better in the Norwegian model (28%), while the British model was much more energy efficient (up to 10 times). The follow-up interviews confirmed the effect of lack of thermal control on users' health. A balanced appraisal was made of energy performance and users' health between the two buildings.