How we test odour extraction We turn on the cooker hood to its maximum setting, then fill a pan with water and heat it up on the hob. A strongly aromatic chemical (methyl-ethyl ketone) is dripped into ...

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Your cooker hood prevents grease from settling on kitchen surfaces and keeps the air smelling fresh. But what about when it needs to be cleaned itself? Here are our top tips. Verity's been grilling ...