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:
- Define ventilation
- Discuss reasons for sufficient ventilation in a room
Dangers of poor ventilation when a room is poorly ventilated, the following may arise:
- Suffocation
- Drowsiness
- Fainting
- Discomfort
- Easy transmission of communicable diseases
Methods of ventilating a room
There are two main methods of ventilating a room.
These are:
- Natural ventilation
- Mechanical/ artificial ventilation
Natural Ventilation
- Windows
- Doors
- Vents
- Chimney
- Wind-driven fan
Mechanical/ Artificial Methods
These include different types of fans. Fuels in the Home A fuel is a material that is burnt to produce energy in form of heat, light and motion. The fuels include:- firewood, charcoal, paraffin, electricity, gas, biogas, solar among others.