https://www.repairmywindowsanddoors.co.uk/leeds-misted-double-glazing-repairs-near-me/ What Causes Misty Windows and How to Prevent It Windows that are dirty look ugly but they also decrease the energy efficiency of your home. This is why it's crucial to determine and fix the root cause of the issue. Foggy window glass is typically a sign that your windows are approaching the end of their life time. There are a variety of reasons your windows might have turned cloudy. Damaged Seals A damaged window seal is the most common reason for fog or misty windows. Modern windows feature a double or three-pane glass with an air space between them, and are vacuum sealed around the edges. These windows are referred to as IGUs, or insulated glass units (IGUs) and can contain an inert gases, like argon, krypton or krypton, to further limit heat or cold transfer from outside to your house. Window seals, like all manufactured products, have an extended lifespan and may eventually fail due to wear and tear. They also can fail due to external forces such excessive winds or improper installation. They may also be damaged by environmental factors like solar heating and cooling, or humidity, or even harsh cleaning products. If window seals fail, they allow moisture to get between the glass panes of your IGU which causes condensation that obscures your view. This can lead to increased costs for energy as well as water damage, and a decrease in the insulation properties of your windows. A definite sign of a failed seal is a window that is unable to longer be cleaned to get rid of the moisture that has encroached on the view. This usually happens when the moisture inside the window has accumulated to that it has surpassed its capacity to be desiccant. It is time to speak with a window expert when this happens. Follow the manufacturer's instructions for care and maintenance, which are usually located on the inside of the window frames. Avoid high-pressure window cleaning, since it can damage