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Casement Windows and Their Energy-Efficient Properties

The casement window is one of the most popular options for replacement windows on the market today. This classic window style combines modern functionality with the traditional aesthetic. Its simplicity can give any part of your home a charming look. Moreover, it is an energy-efficient alternative to other window styles.

Casement Windows and Their Energy-Efficient Properties

This article explains the features that make up this window and its overall role in ensuring indoor comfort and energy efficiency for your home.

Ease of Operation

Casement windows are similar to other operable replacement windows like the double-hung and sliding types. While double-hung windows are lifted upward or downward and sliding windows move on a horizontal track, casements have sashes that open outward with a turn of crank, lever or handle. Such hardware is often found either in the middle or near the bottom of the sash.

Standard casement windows utilize heavy frames and full weatherstripping around the perimeter. It also helps that the included hardware also serves as a lock. This holds the sash in place when closed. Aside from better security, the tight seal resists the entry of drafts into your home. This improves your energy efficiency further, limiting your use of heating and cooling during winter and summer.


A prominent quality of these windows is their ability to provide enough ventilation for your home. Just swing open the sashes and let air in. You also don’t have to worry about strong gusts of wind, because the hinges hold the window in place. In addition, the angle of the open sash catches side breezes, something that no other window style can do.

More Lighting

The expansive glass area of casement windows helps frame your outdoors, as well as allowing natural light into your room. Fortunately, the glass used in today’s windows are spectrally selective, which means that some wavelengths can only enter. Here, natural light passes through the window while blocking out harmful UV rays that would otherwise heat up your indoors.

Turn to Renewal by Andersen® of Milwaukee for a wide selection of energy-efficient window styles. Other than casement windows, we also offer double-hung, sliding and specialty windows, to name a few. Call us today at (262) 522-3034 for more information. You may also fill out our contact form for a free, in-home consultation. We serve residents of Milwaukee, WI.

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