The rate of exchange between indoor and outdoor air, which depends on the construction of the house, the ventilation habits of the inhabitants, and the sealing of Windows.
室内外空气的交换速度，这取决于房屋的构造、居住者的通风习惯和窗户的密封程度。
2
The object was implemented in a low energy construction method with controlled ventilation (displacement ventilation in the classrooms) including the design for a natural secondary ventilation system.
其目标是采取一个能够控制通风的低能耗施工方法（在教室进行通风），包括自然二次通风系统的设计。
3
The project, sponsored by engineering consultancy Buro Happold, will investigate how hybrid construction materials could help to regulate temperature, humidity and ventilation inside a building.