When it comes to replacing home windows, homeowners take a number of factors into consideration: Price, style and energy efficiency, just to name important ones. But before looking at features, styles and installation requirements, it’s important to understand the common types of windows available for replacement.
Two of the most common window frame types are single-hung and double-hung. While these two traditionally popular frame styles offer many similarities, knowing how they are different can go a long way toward helping you determine which one is a good solution for your needs.
What Does Single- or Double-Hung Mean?
Many homeowners hear “single- or double-hung window” and mistake these window lines with single- and double-pane glass windows. Adding to the confusion, single-hung and double-hung windows both feature an upper and lower sash. It’s a similar design structure that makes the two window types almost identical from a distance.
However, the two are not the same. “Hung” is a window term that applies to the number of functioning window sashes. On a single-hung window, only the lower sash opens and closes. Double-hung windows, on the other hand, allow movement in both the upper and lower sashes. With that in mind, homeowners may find that one window type works better for their needs and budgets better than the other, even though they look similar.
Some reasons to choose a single-hung window
A timeless style, single-hung windows have been the standard window option used in newer home construction, apartment buildings and commercial spaces. Single-hung windows provide both a cost-effective selection when needing a replacement window, and one that continues to be appealing in homes throughout the country.
Since the upper sash is attached on single-hung windows, installing a single-hung window can also make construction work easier, since there are fewer moving parts.
Single-hung windows are a great selection for homeowners who want:
- A cost-effective product for multiple windows
- A traditional, historic look
- A stress-free option for first-floor window replacement or in houses where windows are close to the ground
Some reasons to choose a double-hung window
The unlocked second sash on a double-hung window provides increased flexibility for houses.
Features such as tilt-in (also called tilt-out) design allows accessing the outside of double-hung windows from inside the house. With single-hung windows, the lower sash normally moves only vertically, blocking the upper sash. This can cause problems when cleaning the glass on single-hung windows. In some situations, that difficulty can become precarious when cleaning the outside of the upper sash from inside.
Accessing the outside of windows at ground level is one thing but cleaning an upper-level window can be an entirely different situation. While a few single-hung windows feature a tilt-in, or removable lower sash, the moveable second sash on double-hung windows brings much more convenient cleaning, especially for windows on upper floors.
Allowing for multiple sashes to be moved makes double-hung windows a strong choice for rooms that need improved fresh air. With hot, damp air in the bathroom, for example, limited ventilation can lead to issues with humidity and moisture. Left ignored, that lack of fresh air can develop increased odor issues and even mildew growth. Opening each of the sashes of a double-hung window can help cool off hot, humid areas and keep moisture out of your room.
Double-hung windows also offer a unique alternative to single-hung windows when it comes to window maintenance. Since it doesn’t move, repairing the upper sash on a single-hung window ends in a visit from a glass repairman. However, since many double-hung windows feature a removable upper sash, homeowners can replace their window sash without a service call for a glass repair job.
For these reasons, double-hung windows are a good option for homes that:
- Have a second story
- Deal with fresh air issues
- Have an architectural style that traditionally uses double-hung windows in their style, such as Colonial, Cape Cod, Craftsman or Victorian homes
|# of Operable Sashes
||Difficult to clean the exterior of the top sash since it does not tilt in.
Tougher to clean for those living on an upper floor.
||Easier to clean since both windows can be tilted to wash inside and outside surfaces.
Both sashes can be cleaned from the inside of the house.
||Bottom sash can open to let air in.
||Both sashes can open to let cool, fresh air in through the bottom and release warm air through the top.
||Similar design options
||Similar design options
What’s the difference in installation costs?
A number of features and options go into determining the final cost of replacing your home windows. Everything from the material and added features to your region of the country and style of window can determine] the ultimate price tag.
In the past, single-hung windows have had the image of being less expensive (and, as a result, often more popular) due to their continual use in new home construction. However, the longtime benefits of installing double-hung windows should be considered.
While some impacts, such as lower mildew levels from improved ventilation and architectural style can be quantified over time, it’s difficult to put a price on the convenience of flexible cleaning options and additional safety for children that come with double-hung windows.
Here are some of the points that can impact just how much you spend on your window replacement:
- Features and options
- Number of windows needed
- Location of home
While doing the job on your own may seem like a way to save money, consider talking with a Pella® professional to help identify the window that best meets your needs, design and budget. They’ll not only pair you with the right window, but give you the proper know-how to get your new windows installed properly.
Call or stop by your local Pella Windows and Doors showroom or contact us online to set up a free, no-cost, in-home consultation to discuss how you can get started on your window replacement project.