Nowadays in Russia and the rest of the world the energy efficiency issue is in the special focus. Due to increasing prices for heat transfer medium and depletion of natural resources stock the question of finding the most effective way of energy saving arose. Today buildings are designed accordingly to the regulations specifying climate parameters and thermotechnical requirements. However, there is no common analysis and detailed review of requirements for transparent and solid structures in different regions of Russia. In this paper norms for design of enclosing structures in different regions of Russian Federation are reviewed and comparison with European countries with the same climate conditions are made. Also there specific features of energy sources prices in different regions are analyzed and old and new regulations are compared.