Example: A family with 2 children live in a house with 1 TVs, 1 digital
boxes, 1 DVD players, 1 TV games console, 2 computers, 3 stereos, 2
bulbs in the WC, 2 bulbs in the bathroom, 4 bulbs in the kitchen, 3 bulbs
outside, a washing machine, tumble drier, dishwasher, fridge, freezer,
oven, vacuum cleaner, engine block heater = 6240 kWh domestic elec-
tricity/year
Energy meter
Check the accommodation's energy meter regularly, preferably once a
month. This will indicate any changes in power consumption.
Newly built houses usually have twin energy meters, use the difference
to calculate your domestic electricity.
New builds
Newly built houses undergo a drying out process for a year. The house
can then consume significantly more energy than it would thereafter.
After 1-2 years the heating curve should be adjusted again, as well as
the offset heating curve and the building's thermostat valves, because
the heating system, as a rule, requires a lower temperature once the
drying process is complete.
25Chapter 2 | The heating installation – the heart of the houseNIBE VVM 225
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