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From Vienna's historical heritage buildings to lakeside plus energy ...

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<strong>to</strong>tal primary <strong>energy</strong> demand in<br />

MWh/year<br />

429<br />

kWh/m²GFA·year<br />

82 kWh/m²GFA·year<br />

current standard optimized<br />

Toilets, Fire Safety<br />

Controls<br />

Sensors<br />

Communication,<br />

Security<br />

Tea kitchen<br />

Printer, Displays,<br />

Server+UPS<br />

Eleva<strong>to</strong>r<br />

Ventilation<br />

Office Equipment<br />

Lighting<br />

Cooling<br />

Heating<br />

Conversion Fac<strong>to</strong>rs Electricity f PE 2.62 kWh/kWh District Heating f PE 0.92 kWh/kWh<br />

f PE,n.ern 2.15 kWh/kWh f PE,n.ern 0.20 kWh/kWh

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