Why do I have Moisture on my Windows?

Why do I have Moisture on my Windows?

Condensation is the fog that suddenly appears in cold weather on the glass of windows and sliding patio doors.  It can block out the view, drip on the floor or freeze on glass.  It can be very frustrating, so it’s natural to blame the windows, but you shouldn’t.  A house may have temporary condensation when there is new construction or remodeling, at the beginning of each heating season or quick changes in temperature occur.  
Windows do not cause condensation.

Condensation usually occurs first on windows because glass surfaces have the lowest temperature of any of the interior surfaces in the house.  When the warm moist air comes into contact with the cooler glass surfaces, the moisture condenses.  Window condensation is the result of excess humidity in your home.

Why do my new windows have condensation when my old windows did not?

One of the reasons you probably replaced your old windows was because they were drafty.  Those slight cracks allowed the excessive humidity within your house to escape to the outdoors.  Now that your windows are tight, that excess humidity is unable to escape, and therefore, it is showing itself on the glass.  This is your first indication that you have too much humidity in your home.

How do I get rid of the moisture on my windows?

Eliminate condensation by reducing the humidity in the house.  Reduce the humidity in the house by controlling the sources of moisture and increasing ventilation.  Opening the windows for a few minutes, turning on exhaust fans and venting all gas burners and dryer vents to the outdoors are just a few ways to keep moisture out of the home and humidity at a minimum.


Have any questions about condensation on your windows?  Advanced Window Systems, LLC would be happy to help!  Contact us at 860-829-8044 to receive a FREE in home estimate today!  Check us out on facebook and twitter too!!


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