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Condensation on plastic windows is a common problem during the cold season. Even high-quality windows can experience this issue, and the causes are not always related to the quality of manufacturing and installation work. Here are the main reasons why PVC windows can sweat in winter and the solutions to address these issues.

1. Single-Pane Windows
   • Reason:
     Windows equipped with thin, single-pane glass without energy-saving technologies are almost guaranteed to fog up in winter.
   • Solution:
     Replace the glass with double or triple glazing. There’s no need to replace the entire window; simply changing the glass is enough to improve thermal insulation.
     
2. Window Sill Located Above the Radiator
   • Reason:
     Window sills placed directly above the radiator make it difficult for warm air to circulate in the room, leading to temperature differences and the formation of condensation.
   • Solution:
     Reduce the depth of the window sill, install an additional window heater, or move the radiator further away from the wall. Replacing the window sill can also help improve air circulation.
     
3. Winter Mode
   • Reason:
     Windows operating in summer mode have a lower degree of thermal insulation, which can result in a lower interior temperature of the double-glazed window.
   • Solution:
     Switch the windows to winter mode to improve thermal insulation.
     
4. Plants on the Window Sill
   • Reason:
     Plants emit moisture, which can contribute to the formation of condensation on windows.
   • Solution:
     Move the plants to another location to reduce humidity around the window.
     
5. Inadequate Room Ventilation
   • Reason:
     Lack of adequate ventilation in the room can lead to moisture buildup, which condenses on the windows.
   • Solution:
     Ventilate the room for at least ten minutes a day to reduce humidity levels.

Don’t Wait to Improve Your Home!

Contact VEFASISTEM today to benefit from the best PVC window and door solutions in Moldova. Visit our website for more information or email us at info@vefasistem.md for a free consultation. Our windows are designed to provide comfort and efficiency, no matter the weather conditions!