Blog is dedicated to the technologies and construction techniques that affect prefabricated house, its quality, durability and resistance. House key describes the benefits of this type of construction and principles in the construction of low-energy house. Blog of LED lighting characterizes the history, technology and general benefits of LED lights. Blog OSB and SIP panels define the technology that is the foundation of wooden houses. Description of the history of production and technological advances in building materials that are used in construction of wooden houses. The advantages of low-energy buildings are described in the blog recuperation and solar collectors. Air recovery and solar collectors provide significant benefits in energy consumption and use of natural features that minimize the impact on the environment.