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Ventilation

This is the mechanism of allowing in fresh air in a room or space while getting rid of stale air.








Reasons for adequate ventilation

Objectives


By the end of the lesson, you should be able to:

1. Define ventilation

2. Discuss reasons for sufficient ventilation in a room

Dangers of poor ventilation


When a room is poorly ventilated, the following may arise:

1. Suffocation

2. Drowsiness

3. Fainting

4. Discomfort

5. Easy transmission of communicable diseases

Objective


By the end of the lesson, you should be able to state the dangers of poor ventilation.

Methods of ventilating a room


There are two main methods of ventilating a room. These are:

1. Natural ventilation

2. Mechanical/ artificial ventilation

Natural

Windows

Doors

Vents

Chimney

Wind-driven fan

Mechanical/ Artificial Methods

These include different types of fans.

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