Water Heater Label

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.

Water Heater label
Energy efficiency classes Particular energy performance class Energy standing loss Rated capacity

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

Rated capacity

The amount of water in litres that the storage water heater can hold