∙ Wall-mounted chimney: The chimney is fixed on the wall above the hob. It requires only one opening on the wall for the duct.
∙ Island chimney: These hanging island chimneys are mounted on the ceiling. Most open kitchens use an island chimney above the centre island.
∙ Built-in chimney: They are fitted within the kitchen cabinets to conceal the extra parts of the chimney.