The abilitie ti provide this information direct from the HIU through its own display which also acts as the system programmer and thermostat is a key element where energy display is a requirement, reducing the cost and complexity to provide additional devices, and the ones taken up by various controls and displays.
The ability to provide this information direct from the HIU through its own wall mounted display (which also acts as the system programmer and thermostat) is a key attribute where energy display is a requirement, reducing the cost and complexity of providing additional devices, as well as minimising the amount of wall space taken up by various controls and displays.