Ventilation

Ventilation involves circulating fresh air within the closed area or system that reduces or keeps it below the ambient temperature. Ventilation can improve air quality, the regulation of humidity and temperature to prevent mold and bacterial growth, and the protection of human health and the performance of equipment. Ventilation can be classified into mechanical and natural Ventilation. Natural Ventilation utilizes variations in temperature or wind to force airflow, like opening doors, windows vents, etc. Mechanical Ventilation employs fans, air conditioners, exhaust fans, and others. To push or help airflow, like a central air conditioning system, exhaust system, fresh air system, etc. Ventilation can be found in various uses in different places and industries, including commercial, residential mall hotels, hospitals, labs, factory subways, tunnels, etc. There are many details and definitions for Ventilation.