摘要：The work presents the possibilities of using PVC window units in the historical buildings. There are reasons of their widespread use in projects of adaptation of historical buildings for modern use. The analysis of possible replacement options of window units of the historical heritage is done according to their architectural and historical values of the exterior and the interior. A review is made of the existing technological capabilities of modern PVC window systems used in the historical buildings. Examples of application of PVC window units in historical buildings of various architectural styles are given. Examples of structural solutions of window units and stained glass windows made of PVC in historical heritage are considered. The analysis of perspective ways of the use of modern types of translucent fillings in historical buildings can significantly improve the energy performance of these buildings and provide them with conditions that meet the modern requirements of comfort and safety.
