Understanding “Sweating” Windows

With the intense heat of the summer, you may find yourself breaking a sweat when taking a walk outside. However, you may also notice that your windows are “sweating”, too. You might be wondering why this is happening and whether it is normal. 

Understanding “Sweating” Windows

Why Are Your Windows Sweating?

When there’s extreme heat outside and you have your air conditioning unit turned on high, you will see water droplets on the exterior side of your windows. This happens because of the temperature differences between your indoors and outdoors, resulting in the windows “sweating”. This is simply condensation at work – it forms when hot, humid air comes into contact with the cold surface. The same happens during winter. When the outdoor temperature drops and your furnace is heating your home, condensation will start to appear on your windows, this time on the interior side.

Is Condensation Normal?

Condensation is completely normal. When the heat subsides, the water droplets will dry, and you will have a clear view through your windows again. However, there are times when condensation is not normal. When you notice that the condensation lasts for longer than a day and your windows start smelling stale, then it’s a sign that water is in between your panes. If this happens, then your window’s seal may be broken, which requires replacement.

How Do You Stop Condensation?

There are other ways you can get rid of window condensation apart from wiping the sweat down with a clean cloth. These include:

  • Raising your thermostat settings.
  • Installing exterior shutters for your windows.
  • Provide a shade for your windows.

Turn to Renewal by Andersen® of San Francisco if you have any questions regarding your windows. You can reach out to us if you want to know how best you can keep your newly-installed replacement units in good condition. Call us now at (866) 609-5033, or fill out our contact form for a free consultation. We’re looking forward to serving clients in San Francisco and surrounding areas.

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