Application of solar energy, photovoltaics, wind energy, geothermal energy, heat
Application of natural materials for insulation solely
Application of electric devices with high level of energy-efficiency solely
Minimisation of ernergy effort by using Smartsystems such as key cards or motion
At least 80 % of the illumination is produced by energy-efficient LED lamps
Energy-efficient construction / sustainable building and expendable materials
Electricity extracted from 100 % renewable energy
All windows are double glazed