Cast your mind back to early science lessons and you’ll remember that condensation is the process of vapour becoming liquid. Seeing as you’re not running any science experiments at home, it’s curious why there’s condensation on your windows. What does this mean and should you worry about it?

Condensation can be a big concern for homeowners, though it depends on where you see it…

What Does It Mean When Your Windows Have Condensation

Condensation outside your windows

Have you ever woken up in the morning and seen condensation on the outside face of your windows? Your immediate instinct is that something is wrong, but that’s not necessarily the case. Exterior condensation can be an indication of your double-glazed windows working properly!

When double-glazing works, it keeps heat inside your home and stops it from escaping. The internal temperature is warmer, so cold air from outside hits the window and starts to condense. If anything, you should take this as a positive! Ironically, if it’s cold outside and there isn’t condensation on the window exterior, you may have insulation issues.

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Condensation between your windows

Your window panes kind of have three main areas: the exterior side, the interior side and the space between the panes of glass. This space is crucial for insulation and it’s how double-glazing works. When you see condensation between your windows, it’s a massive warning sign that the seal is broken.

Effectively, this means your windows aren’t doing their job of insulating your home and trapping heat inside. You’ll need a window repair service to fix this, or possibly some new windows altogether. It’s not something you should ignore as it basically means your home isn’t energy efficient, so you’re wasting money trying to keep it at a warm temperature. Get the windows fixed as soon as you spot this problem.

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Condensation inside your windows

Moving onto the inside of your house, condensation can occur internally for multiple reasons. Mainly, it’s when the humidity in your home increases. There’s a lot of moisture in the air and it hits the window panes and condenses. You’ll know if condensation is inside your windows as you can wipe it away.

This is another pretty big problem as internal condensation can quickly lead to mould growth around your windows – which is a massive pain to get rid of. The best option is to reduce the internal humidity. You can do this with a dehumidifier or by turning on extraction fans/opening windows while cooking/showering. Try to wipe away the condensation when possible too – it helps the windows dry out quicker and prevents pesky mould growth.

Overall, condensation on your windows can mean many things. Sometimes, it’s a sign that your double-glazed windows are doing an excellent job of keeping heat inside and cold air out. Other times, it’s an indication that you need a little home improvement with some new windows as the seal is broken. Or, it could simply mean the humidity levels in your house are too high. It all depends on where the condensation is found, so keep this in mind before you react!

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