A floor heating, so called ‘Ondol’, is widely used in korea, and it has been known that Ondol provids good thermal environment. [1] However, the impact sound through floor is great and ventilation rate depends on infiltration in rooms where the Ondol is a
Korean residential buildings have been airtight due to the energy economization plan since 1970’s energy crisis. As a result of this, the residential buildings have faced lack of ventilation and resulted in poor indoor air quality of buildings. In additio
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