Basics of Ventilation and Ventilation Requirements

This section covers the composition, nature and problems associated with moving air with special reference to humidity. Different types of ventilation systems are considered, together with the calculations necessary to determine the correct equipment.

· What is Ventilation?	· What is Air?
· Ducting, Air Velocity and   Resistance	· Temperature
· Humidity	· Air Movement
· Purity	· Radiation, Convection and   Evaporation
· Relative Humidity	· What is a Fan?
· Simple Energy Recovery	· Air Replacement
· Flued Appliances	· Heat Removal
· Patterns of Airflow	· Wind Pressure & Flow Around   Buildings
· Positive Pressure Ventilation	· The House Dust Mite