The Energy Rating label enables consumers to compare the energy efficiency of a whole range of products and appliances. The energy rating label can be associated with items such as Central Heating Boilers, Cars, Office Equipment and Electrical Appliances such as Fridges, Freezers, Dishwashers, Washing Machines and even Light Bulbs. All of which are categorised within bands ranging from A-to-G, with A being the most energy efficient, whilst G is classed as the least energy efficient.
Note: Fridge/Freezers have an additional two classes which are the A++ and A+ bands.

Fridges and Freezers
The European energy label on fridges & freezers is, as with other items based on a number range. This is calculated according to the consumption and the compartments’ volume of the electrical appliance. This is an index and is therefore not calculated in kWh.

Fridges & Freezers
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Dishwashers
The energy efficiency is calculated according to the number of place settings. For the most common size of appliance, the 12 place setting machine the following classes apply. The unit is expressed in kWh per 12 place settings.

Dishwashers 
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WashingMachines
For washing machines the energy efficiency scale is calculated using a cotton cycle at 60°C (140°F) with a maximum declared load. This load is typically 6 kg. The energy efficiency index is in kWh per kilogramme of washing.

Washing Machines
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Light Bulbs
The European energy label shows the classification of the lightbulb’s electrical consumption relative to a standard (GLS or incandescent) light bulb that produces the same brightness (lumen). Class A & B Energy savers fall in to these categories. They are the most efficient type of light bulb and use up to 80% less energy than standard GLS light bulbs. Class D Mains voltage halogen bulbs usually fall into this category. Class E & F Standard incandescent light bulbs are the least efficient alternatives.

Light Bulbs
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Cars
For cars it is not the electrical efficiency that is indicated on the European energy label, but its carbon dioxide emissions, measured in grammes per kilometre travelled.

Cars
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This data is reproduced with permission of Europe’s Energy Portal