Dwellings connected to a communal primary heating system

Where a dwellings primary heating source is a communal system, it may not be possible to measure the energy consumption based on the incoming mains supply with the EDD (Energy Display Device) alone.

Where heat is supplied to the dwelling as hot water, for example, a compatible heat meter will be required toΒ calculate the energy consumption in kilowatt hours (kWh), which can then be transmitted toΒ the EDD.

The EDD must report on all applicable energy uses.