![ventilation system in human life](https://repairsl.metaldetectorsforgold.net/wp-content/uploads/2014/06/d9v624jt5m-150x150.jpg)
Ventilation is a process humans rely on to maintain high oxygen, ventilation system is a system for circulating fresh air throughout a confined space while removing contaminated or stale air ,ventilation control systems automatically monitor the outdoor temperature and indoor humidity to deliver the perfect balance of comfortable air in your.