Replacement Windows vs. New Construction Windows
February 23rd, 2015 | 4 min. read
By Jenica Lee
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If you are interested in replacing your windows, it can be overwhelming trying to decide what is best for you and your home. You can get lost in the sea of available choices. And with all the unfamiliar jargon and terminology, it is much more challenging to understand all your options.
So, how do you know if you need replacement or new construction windows? Here are a few tips!
Definition of Replacement Windows and New Construction Windows
The first step is to understand window jargon. Replacement windows can also be called Insert Replacement Windows or Retrofit Windows, while New Construction Windows are also called Full Frame Replacement Windows. Replacement windows are defined as windows installed into a preexisting window opening, and New Construction Windows are designed for homes that have yet to be constructed.
Physical Differences between Replacement Windows and New Construction Windows
Replacement Windows have been developed so that the installer does not have to remove any exterior materials of a home. The windows are measured to perfectly fit the existing window opening and are specially ordered. This enables the windows to be installed from inside the home without damaging the wall, window trim, or siding. This saves time and money because the installation is quicker and less invasive, as the only part of the home that will be touched is the window itself. New Construction windows are designed to be installed into a brand-new home or an addition to a home when the studs of the home are exposed. The new construction window has a nail fin frame component, which means the windows will be nailed directly onto the frame. The only time you might consider a new construction window to replace an existing window would be if the studs or frame are damaged and if you are completely replacing a wall or your home’s siding.
Cost Differences between Replacement Windows and New Construction Windows
Every home and situation is different, so giving a one-size-fits-all answer regarding cost is hard. However, replacement windows are generally a more wallet-friendly option if you replace existing ones. Even though new construction windows might appear cheaper in the store, you have to factor in the cost of reconstructing the window opening and replacing parts of the interior and exterior wall. That can increase the cost 50-100%.
Cleaning the window panes
However, if you are building a new home, adding onto your existing home, or looking to redo a wall or your siding completely, new construction windows might be the best option. You can pick out the window you want in your home, and the builder will create the wall based on that.
Why does it cost more to install replacement windows?
It typically costs more to install replacement windows than new construction windows because they require additional labor and materials to install. Here are a few reasons why replacement windows may be more expensive:
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Removal of existing windows: With new construction windows, no existing window needs to be removed. However, with replacement windows, the old ones must be removed before the new ones can be installed. This process requires additional labor and may involve repairs to the surrounding wall or trim.
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Custom sizing: Replacement windows are often made to order to fit the existing window openings, which can increase the cost of the windows themselves. In contrast, new construction windows are typically standard sizes and can be purchased at a lower price.
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Additional materials: Replacement windows may require other materials, such as foam insulation, weatherstripping, and trim, to properly seal and finish the installation. These materials add to the overall cost of the installation.
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Complexity of installation: Installing replacement windows can be more complex than installing new construction windows, especially if there are existing issues with the surrounding wall or trim. This can require additional time and expertise, increasing the labor cost.
In general, the cost of installing replacement windows will depend on various factors, including the size and type of windows, the condition of the existing window openings, and the complexity of the installation. It's a good idea to get multiple quotes from qualified window installers to compare the cost of replacement windows versus new construction windows for your specific situation.
Get the Input of a Professional
Regardless of which option you choose, it’s always essential to get the input of a professional to avoid improper window installations. While Southwest Exteriors specializes in replacement windows, we have a list of contractors we recommend and can send you in the right direction no matter your need! If you have more questions regarding the differences between replacement and new construction windows, call us at (210) 780-5696.


