An energy efficiency label for a storage water heater is shown below. Tap on the info icons to display detailed information for each element of the label.
Energy efficiency classes
The seven energy efficiency classes for storage water heaters
Particular energy performance class
The most efficient storage water heaters are rated as A. Only storage water heaters rated as B or better can be sold
Energy standing loss
This is the rate of heat loss of the storage water heater over a 24 hour period in Wh
The amount of water in litres that the storage water heater can hold