Or are your window's seals problematic? If your window or windows appear to have a foggy or hazy look or moisture that is inside of the window (between the panes), it's likely the window's seals have failed. Below is an inspection photo of a window's failed seal. It appears that there are water droplets on the glass; however, they cannot be wiped away from the interior or exterior sides of the window. The moisture is inside, between the panes of glass.
Often times, the moisture will seem to disappear during certain times of the year, typically when the difference in exterior and interior temperatures are minimal. When temperature extremes are evident, between the inside and outside of your home, the problem will reappear. Though the foggy, hazy, misty windows may not pose an obvious issue, the reality is windows with damaged seals can increase heating and or cooling costs when windows become drafty. As well, frames could be damaged and condensation may increase in the home eventually leading to water damage at the building enveloped and or within the building envelope or structure.
You may be asking, "Why does this happen to my windows?" Great question! A few reasons may include:
~The window was defective to begin with
~The window is beyond its functional lifetime
~The window incurred an impact
~Changes in weather over time with the sun's heat, winter freezing, spring thawing, etc.
~The window was installed incorrectly
Some window companies will provide repair for failed seals. It is important to know that any repair on a window with a failed seal is temporary. Often, there is a gas between the window panes. When the seal fails, gas leaks out. Gas (argon or krypton are often the gases used to fill windows) can be added; however, keep in mind that this is a temporary fix. Ultimately, windows with failed seals need to be replaced to correct the problem.
Window seals typically last more than 10 years, and certainly vary from manufacturer to manufacturer.
Many manufacturers guarantee their windows for at least 10 years. If you suspect your window's seal is problematic, take a photo from a side-angle across the pane instead of through the pane. This will help capture what's within the window instead of reflections. A photo may be helpful to a window contractor in the event they come out at a time of year when there is no condensation inside the window.
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