How Long Does Window Replacement Take?

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Windows play a significant role in the aesthetics and functionality of our homes. Over time, they wear out, prompting homeowners to consider a window replacement. But before embarking on this home improvement journey, it’s essential to understand the types of window replacements and what to expect during the installation process.

Two Main Types of Window Replacement

When it comes to replacing windows, there are generally two primary types to consider:

New Construction or Full Tear Out

In a new construction or full tear out replacement, the entire window, including its frame and trim, is removed. This process involves gutting the opening back to the original framework or stud framework of the house.

Following this, both the exterior and interior trim are replaced. This is a more intensive process but allows for an entirely new window system, ensuring a snug fit and potentially better insulation.

Pocket Replacement

Most windows replaced by companies like Energy Pro fall under this category. In a pocket replacement, only the sash of the old window is removed, and the new window is inserted into the existing frame. This process is typically quicker than a full tear out and is ideal when the existing window frame is still in good condition.

Timeline of Window Replacement

Understanding the expected duration of a window replacement project can help homeowners plan and prepare for the process:

Pocket Replacement Timing

On average, pocket replacements are relatively swift. With a proficient team, such as those at Energy Pro, a whole house of windows can be replaced in a single day. This efficiency means minimal disruption to the household.

New Construction Replacement Timing

Considering the extensive work involved in a new construction replacement, the process understandably takes longer. After gutting the opening and replacing all trims, most installations of this nature will usually span two days. But the waiting time is worthwhile, as homeowners are left with brand-new window systems.

Factors Affecting Window Replacement Time

While the average times mentioned above provide a good benchmark, certain factors can influence the window replacement duration:

Weather Conditions

Weather plays a significant role in window installations. Companies like Energy Pro operate year-round. However, during extremely cold periods, installers take precautions by replacing one window at a time to maintain the home’s heating. Additionally, rain or even a light mist can hamper the process, especially as it can affect the caulking used to seal the window.

Number of Windows

The number of windows being replaced is another determining factor. To illustrate, Energy Pro’s team can typically install around 43 windows in a single day, demonstrating their efficiency and expertise.


Window replacement, whether a pocket or a new construction type, is an investment that can enhance the beauty, energy efficiency, and value of a home. By understanding the differences between the types of replacements and the factors that can influence the timing, homeowners can set realistic expectations for their window replacement project.

If you’re considering a window replacement for your home and have further questions or concerns, don’t hesitate to contact us. We’re here to guide you every step of the way.

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