Abstract
Purpose: Due to the recent deterioration of outdoor air quality and risk awareness of Corona19 worldwide, the importance of indoor air quality and ventilation management in multi-use facilities has been emphasized. This study, conducted in this background, concerns the application and demonstration of ventilation systems to improve indoor air quality of small senior citizen living center. Method: The Living Lab, an end user participative development method of innovative technology was adopted to investigate the problem and user demand in senior citizen living facility and to apply indoor air ventilation system reflecting them. This study also measured the change in indoor air quality before and after system installation, and conducted user satisfaction analysis. Result: The ventilation system was improved based on demand analysis through Living Lab and the results of measuring indoor air quality to determine the performance and implementation feasibility showed that the ultrafine particulate matter and the carbon dioxide improved by 87% and 30%, respectively. Users reported high overall satisfaction with the process and outcomes of Living Lab and they particularly noticed the effectiveness of learning. In conclusion, the Living-Lab led by pubic institutions is valuable in that it is a mean to identify and solving problems in local communities and an effective methodology that ensures the sustainability of projects and applied technologies.
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