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Condensation On Windows - Why It Happens And How To Stop It

By Edited Nov 13, 2013 1 1

If You Have Condensation On Windows In Your Home, You Need To Deal With It Before It Causes Health Problems

Condensation on windows

Why Does Condensation Form On Windows?

If you have condensation on windows throughout your home, there's a simple explanation for it. Warm air holds more moisture than cold air. In cooler climates the air inside your home will usually be warmer than the air outside. When the warm, moist air inside your home comes into contact with the cold glass it releases some of that moisture in the form of droplets on the window. This is more likely to happen when the difference in temperature between inside and outside is extreme, if you your house has high-humidity, or if your home or RV has single-pane windows.

Why Is Condensation On Windows A Problem?

Other than being a nuisance, condensation forming on your windows can cause serious damage. If left for a period of time, mould will begin to form on and around the windows and create unhealthy air in your home. Dangerous types of mould can grow on your windows and create a breathing environment unsafe for adults and especially children.

What To Do About It

There are a few ways to deal with condensation in your home. It's best to utilize a couple of these strategies together to rid your home of the issue.

1. Purchase higher-quality double pane windows

This is not cheap and you could be forgiven for hesitating on this one. High quality, dual pane vinyl windows are an excellent way to raise the value of your home, save on heating costs and stop moisture but it is not a cheap upgrade. Consider replacing one or two windows at a time as your budget permits.

2. Use a heat-shrinking window film

Most hardware stores sell a plastic film that looks like a wide roll of saran wrap. It comes with double-sided tape and is used on the inside of your windows to seal them. This creates an air barrier between the plastic and the glass which prevents the warm air from contacting the glass and creating moisture. This is a cheap, simple fix although the double-sided tape can be a nuisance to remove.

3. Dehumidifier

This is a must if you live in a cold climate or if you live in an RV. They are relatively inexpensive and can be run as often as you need to keep the humidity of your air to a manageable level. 

4. Air drying crystals

There are a few different types of these available. It's a device with water-absorbing crystals above a dish. The crystals absorb the water and melt into the dish below. These constantly need to be emptied and the crystals replaced so I would only recommend this as a short-term fix.

Try a couple of these methods together to keep the condensation on windows in your home to a bare minimum. It's also important that you wipe the windows regularly and ensure that no moisture is allowed to sit on them for any length of time. Make sure to keep a rag handy for this. If the moisture problem persists, consider moving to a warmer climate. I hear that Florida is really nice.



Jan 6, 2013 2:11pm
Thanks for reading, if you install a high-quality fan and use it when you shower you may find the issue corrects itself.
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