https://www.repairmywindowsanddoors.co.uk/macclesfield-misted-double-glazing-repairs-near-me/ What Causes a Misty Window? It can be frustrating when the windows of your home or apartment get smudges. It is easy to fix the problem and prevent it from happening again if you know what is causing it. recommend dehumidifiers to remove moisture. This does not fix the root of the issue the cause is seal failure. Moisture Buildup Moisture is the most common cause of misty windows, especially in homes with older single or double windows with glazed frames. These windows were designed to hold warm air inside your home, while preventing cold air from entering but they can also cause condensation and the build-up of moisture. This could cause damage to your window's glass or glass surface, which can lead to a more expensive repair or replacement. The buildup of moisture on windows is typically caused by the interaction of warm and cold air. This is most common in homes with high humidity levels However, it could also occur in the event that the seal of your window is damaged or faulty. Everyday life produces a surprising amount of indoor moisture with every time you boil water or cook food adding four or five pints of water to the air. Every shower, tumble dryer usage and watering of your house plants contributes to more. Even breathing in and exhaling releases water vapour. The air in your home is saturated with water vapour and as it cools, it will liquefy any surface that it comes into contact with including your windows. If you have a double or triple-pane window and notice condensation between the panes, it's likely that the window's seal is damaged or broken. Most likely, there is an opening between two glass panes and it is designed to trap any moisture that may be within the gap. This spacer will normally be invisible however, you can detect it by shining a flashlight on the window and searching for dark spots or streaks. If the spacer is not working, it is not unusual