Smart window is a structure made of layers of glass and chemical materials that can change properties when applying electricity or changing external conditions - light, temperature. The main scope of Smart window is partitions and building envelopes, automobile glazing, UV protection of museum exhibits, etc. The article discusses the technology of Smart glazing, their differences, advantages and disadvantages; the main technical characteristics of Smart windows and films for their lamination are given; examples of the use of Smart glazing in Civil Engineering and other areas are given. A review of the literature of domestic and foreign authors on the topic of Smart glazing is presented. It was revealed that with the development of Smart technologies, the technical characteristics of glass improved with a decrease in its cost, which leads to an increase in the availability of this material and wider application in the field of Civil Engineering.