Energy Analysis of the Ductless Personalized Ventilation

This study explores the impact of different occupancy profiles on the potential energy savings due to using ductless personalized ventilation (DPV) combined with displacement ventilation. Energy simulations were performed with the dynamic simulation software IDA-ICE in order to investigate optimal energy efficient strategies for implantation of DPV in practice. The impact of using DPV on annual energy use has been studied for different occupancy profiles in cold climates. The results suggest that using DPV combined with displacement ventilation may significantly reduce building energy use while providing good air quality and thermal comfort for the occupants. Matching DPV use with occupants’ presence at their workplaces may allow reducing the energy use of DPV significantly.