Downdraft hoods are becoming ever more popular with the infamous feature of the hood elevating up out of the work surface. This downdraft looks cool in any kitchen but will take cupboard space which will be needed to to taken in to consideration. The downdraft extractor is usually positioned just behind the hob and is very efficient way to extract cooking fumes. As with most hoods they can be recirculated or ducted out the latter being a better method.
This is the Best Lift Downdraft Extractor in Action
This downdraft extractor hood is from Best take a look at the video below:-