ecological housing 74 dwelling houses 37 sustainable architecture 28 low energy buildings 27 sociology of habitation 27 architecture 23 permanently sustainable development 16 more ... sustainable construction 15 architectural designs 14 unconventional energy sources 14 interiors 13 bydlení 12 environment 12 apartments 10 family houses 10 evaluation of energy performance of buildings 9 buildings (architecture) 8 construction materials 8 housing developments 8 city planning 8 architecture and town planning 6 architecture of interior 6 wooden buildings 6 ecology 6 savings 6 design 5 energy 5 history 5 environment protection 5 prefabricated apartment houses 5 less ...