https://www.repairmywindowsanddoors.co.uk/aylesbury-misted-double-glazing-repairs-near-me/ Why is My Double Glazed Unit Misting Up? It's not a huge problem if condensation develops on the exterior of double glazing. This is a sign that your windows function properly and keep heat in your home. But when it occurs on the inside of your window panes, it is an issue that needs to be addressed. If you notice moisture trapped between your windows, it is a sign that the seals are failing. This can lead to higher heating costs and lower insulation. It could be due to a number of factors. 1. Faulty Seals Condensation that is able to get into the space between glass panes is the most common cause of misting appearing on the outside. Typically the condensation appears as a cloudy film and reduces your window's transparency. The misting that occurs within your double glazing is more severe and typically indicates that the seals on the insulation unit have failed. This means that the seal is broken and moisture has found its way into the two glass panes, causing the fogging and decreasing your window's energy efficiency. A broken double glass can affect the overall appearance your home, as well as the safety of your family. There are a myriad of reasons double-glazed windows can fail, including wear and tear, a faulty installation or problems with the design of your window frame. It is important that you select an experienced and reliable installation company that will warrant their work and not invalidate any warranty from the manufacturer. Water damage is among the most common reasons for double-glazed units to fail. It could be due a poor installation or insufficient drainage or spacer blocks. The moisture can then seep into the seals, which causes them to fail over time. This can lead to condensation between the glass panes. Another reason for a failing double glazed unit is that the desiccant inside the unit is saturated. The desiccant sucks up excess moisture and stops it