Why are my windows steamed up on the outside and not the inside?
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Double glazing is a fantastic investment, for any property. When working as it should, it dramatically reduces heat loss from the building, ensures optimum sustainability, and saves the property owners significant costs.
The primary indicator of the performance of a double glazing unit is condensation.
But, condensation can alert you to a wide range of different issues. The cause of the condensation will vary significantly, based on whether or not the condensation is occurring on the outside or the inside of the window.
So, to help you identify what is causing the condensation – and whether or not it represents an issue with the window itself – we’ve created this simple guide to understanding window condensation.
Why do windows get steamed up on the outside?
If your windows are condensing on the outside (meaning the pane of glass that is exposed to the outside air), this is nothing to be concerned about.
This side of your window getting steamed up is common, especially in winter, and it is perfectly normal for your double glazing to do this.
In fact, if your window gets steamed up on the outside, this actually tells you that your window is being super energy efficient.
The reason why condensation forms on the outside of the window is all down to the temperature difference, as the outside is significantly colder than the inside of the property. So, this tells you that your windows are successfully keeping your property warmer than the surrounding air outside.
What causes windows to be steamed up on the inside?
If your windows are condensing on the inside (on the pane of the window that is exposed to your home’s interior), then this is indicative of an issue.
The most likely cause of this is something that is happening in your home, which is usually an excess of moisture in the air. The most common rooms where this occurs are the kitchen and bathroom.
To stop this issue from recurring, open your windows more frequently, and improve the ventilation of your home. For example, you can do this by installing an extractor fan in your bathroom(s) and kitchen, particularly for when you are cooking or using hot water. We also suggest that you avoid drying clothes inside, where possible.
If your windows are steaming up on the inside, there are no problems with your windows themselves.
At Abbey Glass, we offer a wide range of specialist double glazing services. We supply and install double glazing, as well providing an efficient and reliable double glazing repair service.
We are trusted by homes and businesses across Sheffield and the surrounding areas, to supply premium double glazing units, and deliver an exceptional standard of customer service.
So, to find out more about any of our double glazing services, contact our team today.






