https://www.repairmywindowsanddoors.co.uk/gloucester-misted-double-glazing-repairs-near-me/ Why is My Double Glazed Window Misted? Double glazing is an excellent method to boost the efficiency of your home and guarantee optimal energy efficiency. If you notice that your windows are getting misty it is an indication that the seal on your window has been damaged. This allows moisture into the insulation section of your windows and cause a drastic decrease in performance. This is a simple issue to fix. What is it? There may be condensation on the outside of your double glazed windows from time to time especially when it's cold and windy. This is a sign that your double glazed windows are securing the cold but also let in heat. It is easy to wipe away, or you can leave it to go away on its own. This is more likely to happen if your double-glazed window mists inside. This could be an indication of a broken seal or malfunction in your double glazing. When a sealed double glazed unit breaks down, or fails, moisture may get in between the two panes of glass in your window. This could cause the argon,xenon or Krypton gas that is utilized in these windows to leak out too. After this the high-density gases lose their insulating properties and your windows are no longer a sealed unit. Natural wear and tear is among the main causes for the seals to fail on windows. This is caused by the constant expansion and contraction of gases inside your double-glazed windows as temperatures rise and fall. Utilizing chemical cleaners that contain abrasives on your double glazed windows can also cause damage to the seal, and cause it to fail in time. If the seal on the double-glazed windows you have is broken the warm air could escape through the glass panes and cool air can enter, causing moisture buildup on the spacer bars inside the glass unit. This is known as a "blown" window and could lead to expensive energy bills during winter. Replacing the glass units of your double-glazed windows c