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Causes And Solutions For Window Condensation

Published on May 15th, 2016

Cause For Condensation
When water or frost builds up on the windows of your home, it is called condensation. When warm moist air comes into contact with cooler dry air, it causes condensation. In example is when your mirror steams up after taking a hot shower. The moisture in the air of the bathroom causes condensation. One of the reasons you may notice more condensation in your home is because of modern energy-saving homebuilding techniques and products. Modern construction materials are used to keep cold air outside and warm moist air inside, especially with windows. If you did not see condensation before replacing your windows, it simply means your windows were likely drafty. Properly installed windows create barriers to the air exchange of a home.

Understanding Where Moisture Comes From
The key to condensation is controlling the humidity from the inside of your home. During the summer, when it is hot and humid, your home will absorb moisture. During the winter when you are heating your home, there will be less condensation as your home will begin to try out. Open up a window as a quick fix. Cold and dry air will enter your home while the moist air is able to escape out the window.

Solutions To Reduce Condensation

  • Cracking open a window or door to air out your house daily
  • Run your exhaust fans longer in your kitchen when cooking
  • Run exhaust fans longer in laundry room while doing laundry
  • Run your fan in the bathroom while bathing
  • Install and use a dehumidifier
  • Turn off all humidifiers in your home
  • Keep plants in a sunroom or in any room that is not used often during cold weather
  • Remove radiator pans until sweating is eliminated
  • Make sure open-faced gas heaters are connected to a chimney

Keep in mind that window condensation should only be occurring during times of extreme temperature differences between indoor and outdoor spaces. If you are finding condensation between the two layers of glass in an insulated window, the seal has been broken.

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