Ventilation Performance and Energy Assessment of a High-rise Residential Building - A Case Study in Malaysia

Kuala Lumpur, Malaysia's capital, nestles the majority of high-rise buildings in the country, and nearly half are residential. Such buildings are designed predominantly to be naturally ventilated, yet occupants rely mostly on mechanical ventilation. This pilot study assessed ventilation strategies in oppositely oriented units of a high-rise residential building in Kuala Lumpur. The study combined experimental and simulation methods. The simulation analysis was performed using IES_VE simulation tool in two parts, commencing with a calibration procedure, followed by a ventilation strategies analysis. The result concluded that the indoor air temperature of field and simulated data compares well with a positive correlation coefficient. Further annual simulation validated mixed-mode ventilation as an optimal ventilation strategy to achieve potential energy savings without foregoing occupants' thermal comfort.