https://www.repairmywindowsanddoors.co.uk/dunstable-misted-double-glazing-repairs-near-me/ What Causes Misty Windows and How to Prevent It Misty windows are unsightly however, they decrease the energy efficiency of your home. It's crucial to find the root of the issue and then fix it. Foggy windows are an indication of aging windows. There are many reasons why your windows' glass might appear cloudy. Seals that have been damaged The most frequent cause of windows that are smudges is a broken window seal. Most modern windows are made with a triple or double pane of glass, separated by an air space and vacuum sealed around the edges. These windows are known as IGUs, or insulated glass units (IGUs) and can contain an inert gas, like argon, krypton or krypton to further reduce the transfer of cold or heat from outside to your home. Like all manufactured products window seals also have an expected lifespan and may eventually fail due to normal wear and tear or from damage caused by external forces, such as high winds or poor installation. However, they may also break due to environmental factors, such as solar heating and cooling, humidity, and even the use of harsh cleaning products. When window seals fail they let humid air pass through the glass panes of your IGU and cause condensation that obscures your view. This not only decreases the insulating value of windows, but it can also lead to more expensive energy bills and possibly water damage to your home. A definite sign of a failed seal is a window that can no longer be wiped down to get rid of the moisture that has encroached on the view. This typically happens when the moisture in the window has grown so that it has surpassed its capacity to be desiccant. It is time to call an expert in window repair when this happens. Follow the manufacturer's instructions to take care of your windows that are typically found on the inside of the window frames. Avoid high-pressure window cleaning, as it can damage both the seal a