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Table 8 Costs of offices materials

From: Innovative offices for smarter cities, including energy use and energy-related carbon dioxide emissions

  Present office Mega office Local office Home office
Paper use kg/year
 Printing paper 109 130 101 72
 Packing 39 46 36 26
 Newspaper and books 16 19 15 10
 Sanitary paper 5 6 5 3
 Others 7 8 7 5
Total use 175 209 163 116
Costs (€4,6/kg) 806 963 753 535
Index 100 119 93 66
Energy use
Additional costs   157 −54 −272
Lighting kWh 1468 1299 812 1468
Air condit. Electric. kWh 991 932 485 1109
Air condit. gas m3/year 915 644 230 1066
Office equipment 622 523 361 684
Total energy use, GJ/year 53.2 39.5 16.5 60.8
Lightning in € 101 89 56 101
Air condit. electric 68 64 33 76
Air condit. gas 141 99 35 164
Office equipment 43 36 25 47
Total in € 352 288 149 388
Index 100 82 42 110
Additional costs   −18 −58 10