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How Long Does It Take to Replace a Window? Setting Realistic Expectations for Your Midwest Home

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February 12, 2026
By Nico Soave
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One of the most common and practical questions we hear from homeowners embarking on a renovation project is, "How long does it take to replace a window?" Understanding the timeline for your window replacement project is crucial for effective planning, minimizing disruption to your daily life, and setting realistic expectations.

At Greater Midwest Exteriors, we pride ourselves on an efficient, meticulously planned our process that consistently delivers high-quality results without unnecessary delays. While installation time can vary, we aim to provide a clear picture of what to expect.

The Short Answer: Per Window vs. Full Project Timelines

For a standard window installation services project, you can generally expect the following timelines:

  • Individual Window Replacement: With an experienced, well-equipped crew, replacing a single standard-sized window typically takes 30 to 60 minutes. This timeframe includes removal of the old unit, preparation of the opening, installation of the new window, and initial sealing.
  • Average Full-Home Project (10-15 Windows): Most full-home window replacement projects, involving approximately 10 to 15 windows, can be efficiently completed within one to two days. This allows our teams to work systematically, minimizing the period your home is exposed to the elements.

However, these are general estimates. Several critical factors can significantly affect the time required to complete your project, making each installation unique.

Key Factors That Influence Your Window Replacement Installation Timeline

Understanding the variables that can affect your project timeline will help you better prepare and appreciate the complexities involved in professional window replacement:

1. Installation Method: Insert vs. Full-Frame

The choice of installation method is a primary determinant of project duration:

  • Insert Replacement: This is generally the fastest method. It involves installing a new window unit directly into the existing, structurally sound window frame. Since the original frame and trim remain intact, there is less demolition and finishing work required, making it a quicker process, often taking less than an hour per window.
  • Full-Frame Replacement: This method is more labor-intensive and, consequently, takes longer. It involves the complete removal of the entire existing window, including the frame and interior/exterior trim. The new window is then installed directly into the wall's rough opening. This process enables a thorough inspection of the rough opening, addresses any hidden issues, and installs new flashing and insulation. While more time-consuming (often 2-3 hours per window), it provides a more comprehensive and durable solution, especially if the existing frame is compromised.

For a detailed comparison, explore our guide on insert vs. full frame window replacement.

2. Window Style, Size, and Type

The complexity and dimensions of the windows being installed play a significant role:

  • Standard Double-Hung and Single-Hung Windows: These are typically the quickest to install due to their common design and straightforward operation.
  • Larger or More Complex Units: Windows such as bay, bow, or custom-shaped windows require considerably more time. Their size, weight, and intricate alignment require more careful handling, specialized equipment, and, often, a larger crew to ensure precise installation.
  • Material Type: While not as significant as style or size, different frame materials (e.g., vinyl from Climate Solutions, fiberglass from Marvin) may have slight differences in handling and installation that can subtly affect the timeline.

3. Condition of the Existing Opening and Home Structure

One of the most unpredictable factors is the condition of your home once the old windows are removed. If our team discovers underlying issues such as wood rot, water damage, or structural deficiencies within the rough opening, these problems must be addressed before the new Climate Solutions window can be installed. This ensures a long-lasting, weather-tight seal and prevents future complications. While addressing these issues may add time to the project, it is a critical step that guarantees the integrity and longevity of your new windows and your home. Ignoring such problems would lead to premature window failure and potential storm damage.

4. Weather Conditions

While Greater Midwest Exteriors can install windows year-round, extreme Midwest weather conditions can impact the timeline. Heavy rain, strong winds, or severe cold can pose safety risks to our crew and may require us to temporarily pause work to protect your home's interior from exposure. Our priority is always the safety of our team and the protection of your property.

5. Accessibility to Windows

The ease with which our crew can access each window opening also affects the timeline. Windows on upper floors, those requiring scaffolding, or those obstructed by landscaping or interior fixtures may take longer to access and install safely.

Learn how to prepare for window replacement to expedite the process and ensure a smooth installation day.

The Greater Midwest Exteriors Advantage

At Greater Midwest Exteriors, we understand that your time is valuable. That's why we employ highly trained, specialized crews who have perfected the installation of premium windows from manufacturers like Climate Solutions and Marvin Windows. This deep expertise allows us to work with unparalleled efficiency while maintaining the highest quality standards. Unlike general contractors or homeowners attempting DIY installations, our teams are dedicated window specialists. We work systematically, often finishing one room or section of your home at a time, to minimize the period your home is exposed to the elements and ensure your comfort and security throughout the project.

Our streamlined process includes meticulous planning, precise measurements, and expert execution. This commitment to efficiency not only saves you time but also ensures your new windows are installed the first time, preventing costly callbacks and maintaining optimal performance for decades to come.

The Verdict

While the physical installation of a window can be relatively quick, the comprehensive preparation, meticulous attention to detail, and expert execution are what truly ensure its performance and longevity for decades. By setting realistic expectations for the timeline and, most importantly, partnering with a professional, experienced team like Greater Midwest Exteriors, you can enjoy a smooth, stress-free transformation of your home's exterior. Your investment in high-quality Climate Solutions windows, coupled with our expert installation, guarantees lasting comfort, energy savings, and enhanced curb appeal.

Ready to schedule your window replacement project? 

Don't delay in enhancing your home's beauty and efficiency. Contact us today for a free, no-obligation estimate and a personalized timeline tailored to your home's specific needs. Let us show you how easy and efficient a window upgrade can be when handled by the experts!

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