https://www.repairmywindowsanddoors.co.uk/chichester-misted-double-glazing-repairs-near-me/ How to Prevent Misted Windows The moisture that builds up inside your double glazing is a result of a variety of causes. Most often, the air inside your home has more vapor than outdoors and could cause moisture to be trapped between glass panes. This issue can drastically reduce the effectiveness of your double glazing. Ignoring this problem will only result in higher energy costs and damaged windows. Condensation on the exterior If you spot condensation on the outside of your window panes, don't be concerned, it's completely normal. The condensation that forms on windows is triggered when cold window glass comes into contact with humid and warm air. When air moisture is brought into contact with cold surfaces like window glass, it transforms into water droplets. Window condensation in the exterior is typically seen in the morning, when temperatures outside are at a low level and sunlight isn't heating the windows to evaporate the water. The good news is that the presence of condensation on your windows' exterior is a sign that your double glazing system is functioning well and is effectively keeping heat from leaving your home. However, the bad news is that the excess condensation from windows on the outside can trickle down and cause blistering, cracking or peeling paint on your window frames. This can lead to costly damage and require replacement. You can do this by wiping off the condensation from your windows with a squeegee, or a clean cloth. You might also want to consider a hydrophobic coating for your windows. It is a clear material that causes water to move off rather than sticking. It can be purchased at the majority of hardware stores and applied according to the instructions of the manufacturer. A dehumidifier is a great tool to reduce the amount of humidity in your home. You can purchase these devices from most hardware stores or online retailers and they are e