Bay Windows vs Bow Windows: Which Is Right for Your Home? A Window Replacement Company in Highland Park, Illinois Explains

Window Replacement Company in Highland Park, Illinois

Bay Windows vs Bow Windows: Which Is Right for Your Home? A Window Replacement Company in Highland Park, Illinois Explains

There are all kinds of windows on the market today. There are simple window options like hung windows and sliding windows, and there are unique window options like awning windows and garden windows. There are also specialty windows available, such as architectural windows, that can greatly enhance the aesthetic of a home.

If you’re thinking about installing architectural windows in your home, there are two main types to focus on: bay windows and bow windows. Are you interested in learning about the differences between the two? This window replacement company in Highland Park, Illinois is going to review them below.


While both bow windows and bay windows are on the larger side, bow windows are the larger of the two options. Whereas bow windows tend to cover 80 inches or more of space, bay windows tend to cover 40 inches or more of space.

Because of this, bow windows tend to provide more visibility and sunlight. That said, bay windows come in many different sizes, and they aren’t lacking in the visibility and sunlight departments.

For more information on the size differences, do not hesitate to get in touch with your local window replacement company in Highland Park, Illinois.

Number of Panes

Perhaps the most noticeable difference between the two types of windows is the number of panes each has. Whereas bay windows have 3 panes, all of which are angled against one another, bow windows have 4 or more panes, resulting in a less angular appearance.

In both cases, the panes stick out past the exteriors of their respective homes, providing a great deal of dimension to the house and to the room.

Types of Windows Used

Both bay and bow windows feature a series of different windows. Their configurations tend to be altered from window to window. That said, there are common patterns noticed in most bay and bow windows.

Bow windows often possess 4 or more picture windows. These are windows that can’t be opened, and therefore provide no ventilation.

Bay windows tend to possess a central picture window which is flanked by either casement windows or hung windows. Casement windows and hung windows can both open, and they can therefore provide ventilation.


Bow windows are not only larger than bay windows but they also possess more internal windows as well. Naturally, this results in them costing more money. There are exceptions to this rule. However, in most cases, bow windows are typically going to cost more than bay windows.

Energy Efficiency

In terms of energy efficiency, bay and bow windows are roughly on the same level. Both provide a reasonable level of insulation but are quite large, and can allow quite a bit of outdoor air inside.

There are several factors that can affect the insulative quality of a bay or bow window. One factor is window type. If the window possesses picture windows instead of opening windows, it will be more insulative.

Another factor is the material that the window’s made from. Wood tends to have great insulative capabilities. Vinyl can be less insulative, especially if it lacks insulative foam.

In any case, before buying a bay or bow window, you should take the time to discuss all your options with your window replacement company in Highland Park, Illinois. They will be able to help you find an option that ideally suits your home.

Looking for a Window Replacement Company in Highland Park, Illinois?

Have you made your choice between bow and bay windows? If so, and if you’re ready to have your new windows installed by the best replacement windows company in Highland Park, Illinois, Aspen Exterior Company is the top choice. Contact us today at (847) 590-5600 to request a free quote.

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