Why don chest freezers get a higher number of stars?
When the star rating system for freezers was recalculated in 2000, two rating options were considered. The first option was to rate all freezers on the same basis in terms of kWh per litre of volume. The problem with this option was that chest freezers are inherently much more efficient than vertical freezers, so this type of rating system would put all chest freezers at say 3 or 4 stars and all vertical freezers at 1 or 2 stars and this would leave very little scope for differentiation between different models of chest freezers or vertical freezers. The second option considered was to separately rate chest freezers and vertical freezers on different scales. After careful consideration, this option was adopted because research indicated that most consumers decide on the type of freezer they need first (vertical or chest) and then use the energy label to pick the most efficient one that suits their needs (ie chest freezers and vertical freezers do not provide the same energy service and