11452931 - A pictogram of illustrations of energy saving tips11152167 - Energy Efficient13757840 - Bird's eye view of a modern architect's house at sunset13594712 - The Green Home Photos13757843 - Kitchen and dining area in open-plan living room with high, wood paneled ceiling11988475 - Prefab Elegance11976617 - Light bulb with green tree-shaped filament in front of concrete wall; 3D rendering11362730 - Harmony with Nature11976616 - Light bulb with red heart-shaped filament in front of concrete wall - 3D rendering11032026 - Something old and something new11018961 - Detail of ecological house with solar panels11241801 - Country to Cool Contemporary11018960 - Solar panels on wooden structure of ecological house11047287 - Perfeckt Vision11018957 - Detail of ecological wooden house11205909 - Renovation Without Stress11018962 - Ecological house facade with window and solar panels11378208 - Glass House Effect11018959 - Wooden facade of ecological house with solar panels11045654 - Elegantly Eco11018958 - Corner of ecologically-built wooden house11203614 - Cradle of Humankind