Air handling unit
Air treatment and air conditioning — Components and their functions

The designer determines the nature and order of the air handling unit (AHU) components according to the desired results. Figure 1 shows an example of a composition comprising :

• a mixing box (1);

• a filter box (2);

• a hot battery (preheating) (3);

• a cold battery (4);

• a hot battery (reheating) (5) ;

• a humidifier (6);

• a fan (7).