The emphasis of a smoke ventilation system is to provide protection of life and property. Its aim is to release heat and smoke from a building under fire conditions. It ensures hot gases are constantly removed under a high concentration of smoke and heat conditions. By using the correct size and number of ventilators and operable windows at vital positions within the building, occupants will have more time to escape and fire fighters are allowed to enter the building and quickly locate and distinguish the source. Under this solution, there are three types as following: