There is the analysis of energy-efficient technologies in the construction of the specific heat in the building. The definitions of the concepts of energy efficiency, energy saving, "smart home", energy-saving devices are given. Highlighted the causes of irrational consumption of thermal energy and describes a strategy for energy efficiency in construction.

Keywords: energy conservation, energy efficiency, energy saving devices, "smart house", strategy for energy efficiency.

The analysis of the energy-efficient constructive systems in construction, energy-saving engineering systems are held. Examples of the main methods of thermal insulation of external walls are given. A method of superstructure attic floors used in the reconstruction of buildings and structures is described. Identify possible solutions of the problem of energy efficiency.

Keywords: energy efficiency, energy conservation, structural systems, thermal efficiency, reconstruction.

The concept of high-rise building. The concept of a skyscraper. The installation conditions of these buildings. Structural basis for high-rise buildings. Installation of kernel hardness. Sustainability and spatial rigidity of high-rise buildings. Way to perform a monolithic kernel hardness. Particularly the construction of high-rise buildings in hot climates. Technology features pouring concrete in hot climates. The implementation of "green" ideas to improve the environmental situation in the region. Reducing the need for air conditioning. The use of monolithic construction. Life-support system in a tall building.

Keywords: tall buildings, skyscrapers, kernel hardness, prestressed concrete, hot climate, the life support system