[1] It addresses the problems of grease, smoke and odours not found in most other ventilation systems.
Kitchen ventilation equipment includes an extractor hood or canopy, and a filtering system.
The system's fan may be located in the kitchen or in its ducts.
When this is not possible, recirculating cooker hoods are used that clean the air and direct it back into the kitchen.
The most common types of grease filters used in professional kitchens are: