energy savings 236 low energy buildings 84 consumption 80 heating 64 buildings (architecture) 59 unconventional energy sources 53 more ... power engineering 46 thermal insulation 39 simulation and modelling 27 permanently sustainable development 26 dwelling houses 25 family houses 24 sustainable architecture 22 evaluation of energy performance of buildings 17 air-conditioning 17 ventilation and air-conditioning 17 solar energy sources 13 technical standards 13 thermal pumps 11 ecology 10 building designing 10 exploitation 10 office buildings 9 architectural designs 9 electrotechnics 9 hardware 9 environment protection 9 industrial automation 9 production 9 less ...