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

Table 8 Costs of offices materials

	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

ISSN: 2192-0567