Abstract
This paper presents the Post Occupancy Evaluation of the first naturally ventilated lecture theatre built in a tropical region. The challenge was to design a bioclimatic amphitheatre of 550 seats, which does not use air conditioning and remains comfortable at the same time. A post-occupancy evaluation has been carried out based on, in parallel, indoor and outdoor measurements, and a user’s survey. Airflow measurement is used to check the good performance in terms of natural ventilation. A follow-up of the building’s actual consumption has been carried out as well, which showed overall positive results. 92% of the users feel comfortable or slightly comfortable during the hottest days. Nevertheless, 50% of them would prefer to get more air movements. In terms of energy consumption, the lecture theatre consumes four times less than a standard one.
Highlights
Bioclimatic buildings allow the control and the limitation of energy consumptions, impacting the building sector
Many studies have demonstrated that users are acclimatizing to their natural environment and can tolerate warmer indoor temperatures [2], in naturally ventilated buildings, which has led to the adoption of new standards of adaptive comfort [3,4]
This paper presents the Post occupancy evaluations (POE) and the results obtained of the first naturally ventilated lecture theatre in tropical climates between 2014 and 2017
Summary
Bioclimatic buildings allow the control and the limitation of energy consumptions, impacting the building sector. To be properly used, occupants must be in a comfortable situation inside the building, which will prevent the addition of active consumer equipments. Because of the number of variables influencing thermal comfort inside the buildings, the occupants' opinions are very important in order to understand the interrelationships between these different variables.[1]. Post occupancy evaluations (POE) evaluate buildings performances with respect to energy consumption, environmental impact, and occupant sensation and thermal judgment. POE allow identifying problems in the buildings and to check the performance that the building promised [5]. Khalil highlighted the importance of POE by providing feedback to the building owner, using physical measurements and self-administered 5-point questionnaire surveys over a specific slot. [6]
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