The focal point is to present the areas where the technology in buildings can be supported by proper motivation and take substantial advantage measurable in technical units. The need to understand the integration between ecology, society, economy and technology is crucial when global improvements are the targets. These targets should consider urban environments as natural human settlement, in this understanding that accepts human psychological needs for wide and deep education, acquiring highly professional satisfaction without resigning from family style of life and leisure as natural. There is the necessity to accept human production also in its advanced levels as a natural human activity and to make it integrate with the other mentioned components of integration. The attention has been directed to clean energy certification in newly constructed objects and refurbished buildings, to formation of owner’s responsibility for possessed goods and their best use in sustainable development. The particular attention has been put to the increase of the use of resources only if it is justified by proportionally very high advantages to the society. This has been presented with the examples of energy savings in low energy and passive building. Moreover the examples show the ways of sustainable development which are the use of renewable energy, using coal only in collective industrial systems very restricted in protection against pollution and uncontrolled use of energy, and similarly, of other conventional fuels, water and land.