As winter starts to set in, your home will likely undergo a few changes, and creaks and cracks may become more noticeable. Among these changes, you may start to notice the formation of condensation on windows and exterior doors throughout your home. Condensation is more common during cold winter months than at any other time during the year. As such, it’s important to know the causes and cures of window condensation. This will help keep your family warm throughout the entire winter and will ensure that your windows function for many years to come.


Condensation forms as a result of cold and warm air mixing. Warm air holds more moisture than cold air, and when the two temperatures meet, they form water droplets.

It’s warmer and often more humid inside your home than outside. As such, condensation will accumulate on the inside of your home’s windows and exterior doors. Plus, since we don’t insulate windows and walls the same way, they are more prone to accumulating condensation, whether in the form of water or frost. The tight seal used to install windows does not allow the humid indoor air to circulate and mix with the drier outdoor air. This causes a buildup of both air temperatures on either side of the window and increases the likelihood of condensation.


Air out your home

The main cause of condensation is when outdoor temperatures are unable to mix with indoor temperatures. Therefore, one of the easiest cures to window condensation is to simply open your windows from time to time and let in a bit of fresh air. Opening the windows for just a few minutes each day will reduce the buildup of humidity and decrease the chances of condensation forming. If it’s particularly cold outside and the weather does not permit you to open the windows, running an indoor fan can achieve a similar effect.

Replace your windows

If you find condensation regularly clogs your windows, you may want to consider replacing them. Single pane windows are more likely to develop condensation, as there is less of a barrier between your home’s internal temperature and the temperatures outside. If you replace your windows with double-paned or double-insulated glass, this creates an extra barrier from outdoor temperatures and reduces the likelihood of condensation. For custom replacement windows in Colorado Springs or the surrounding areas, contact our team at The Window Source of the Rockies.

Adjust indoor humidity

Humidity is a major component in the formation of condensation. As such, adjusting your home’s internal humidity level can help reduce the accumulation of condensation on your windows. You can balance your home’s internal humidity level by lowering the levels of your humidifier or purchasing a dehumidifier. Further, clean the air conditioning filter and dry your clothes in a machine rather than hanging them to dry. These methods can also help lower your home’s humidity level.

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