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Window Retrofit vs. Replacement: Which is Better?

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Key Takeaways

  • Retrofit window replacement involves installing new windows within existing frames, preserving much of the original frame. It’s less invasive, faster, and typically more affordable, ideal when frames are in good condition.
  • Full-frame window replacement entails removing the entire window including the frame, allowing for addressing structural issues like rot or damage and enabling design changes.
  • Retrofit is best for improving energy efficiency by upgrading glass and sealing gaps without major disruption, but it may not fix underlying frame or wall problems.
  • Full-frame replacement offers better insulation, long-term durability, and greater design flexibility but involves higher costs, more labor, and potential alterations to surrounding walls.
  • Environmental impact favors retrofit due to less material waste and lower carbon footprint, though both options can incorporate energy-efficient windows to reduce heating and cooling costs.
  • Consulting experienced professionals, such as Pinnacle Home Improvements, helps homeowners assess specific needs, local climate considerations, and building codes to choose the optimal solution.

Written by: Jim Marino

  • CEO of Pinnacle Home Improvements
  • Over 15 Years of Experience in the Home Improvement Industry
  • Featured Expert in 20+ Industry Publications

Table of Contents

Before you start scheduling a window replacement in Tennessee, you’re bound to research your home improvement window options. It’s only natural to want to be informed about the process, though many homeowners don’t realize that retrofit window installation and window replacement are not interchangeable terms.

What are the differences, and which one is better? Understanding window replacement benefits and weighing window retrofitting pros and cons will help you to see which one may be the best choice for your home. Pinnacle Home Improvements is a reputable company of home improvement contractors that provide window services. In this blog post, we discuss retrofit vs replacement to help you prepare for your project.

Understanding Window Retrofitting and Replacement

When you need energy-efficient windows, retrofit or replacement are two processes that you will need to choose from. While both result in replacement windows for your home, there are key differences.

Window Retrofit

A window retrofit involves installing new windows into the existing window frames. Retrofit windows work with the existing window opening. Installing retrofit windows tends to be quicker and easier than a full window replacement project.

Window Replacement

Replacement windows will involve taking out the entire window unit and the window frame first, and then a new window assembly can be installed. This type of window replacement is often referred to as new construction windows since it requires a nailing fin to surround the edge of the window unit to secure it directly, just like when new homes are built.

Comparative Analysis of Window Retrofits and Window Replacements: How to Know Which One Is Suitable

When comparing retrofit and new construction windows, it is best to look at what each entails, their benefits and drawbacks, and when they are recommended by professionals.

Scope of Work for Retrofit and New Construction Windows

Retrofit windows involve using the existing window frames and placing the new window into the existing window opening. These replacement windows require work, but they are far less involved in a window replacement project than new construction windows, which need to have the whole window unit and frame removed. This exposes a rough opening in the wall, allowing for new window frames to be inserted along with other materials to secure it in place.

Speed of Installation

Retrofit windows are much quicker to install than new construction windows, though not always. Complications can arise when installing retrofit windows that may need to be addressed, especially wood windows.

Labor Costs

Since more work is involved with new construction windows, the installation will cost more. However, if there is damage to the underlying frame, such as wood rot or moisture damage, it will be worth the added expense.

Potential for Customization

When you choose retrofit windows rather than new construction windows, you won’t have the chance to change the size and shape of the opening. If you’re looking to give your entire home a facelift and revive its appearance, new construction windows would be best.

Which Is Suitable for Your Needs?

Retrofit windows are best when your existing window frames are still in good condition and provide energy-efficient benefits for your home. They’re also best if you don’t need to change the size or shape of your window.

New construction windows are the more suitable option for replacement windows when you have damage to the existing window frames. It’s better to have them fully removed and replaced to prevent other damage to your home’s structure and improve energy efficiency. You may also want to choose new construction windows over retrofit windows if you want to change the size or style of your window. For example, if you find your home looks outdated and doesn’t let enough natural light into the interior, new construction windows may provide the perfect solution.

Photo of Workman Replacing Window

Benefits of Window Retrofitting

Retrofit windows have many benefits, including being more cost-effective and less intrusive for installation.

Lower Material and Labor Costs

Retrofit windows won’t require frame removal and replacement, which keeps materials costs lower. Additionally, since there is less work involved, the window installation process is faster, reducing the cost of labor.

Improves Energy Efficiency

Comparing retrofit window cost with heating and cooling costs over time, you will start seeing lower energy bills. It’s a more affordable way to reduce your carbon footprint and save some money.

Increases Property Value

Anytime you invest in your home, you need to consider how those upgrades can elevate your property value. If your frames aren’t rotting, you may be able to choose retrofit windows and save money due to the straightforward installation process. New windows can attract buyers when you sell your home, and along with improving your home’s energy efficiency, may make it one of the most coveted properties for sale.

Faster, Less Intrusive Installation

Retrofit windows don’t require major construction in the way that new construction windows do, which minimizes the disruption to your life during this project. The process is fairly fast and can often be completed within a few hours.

Maintain Your Home’s Original Character and Charm

If you choose retrofit windows, you can get the updates you need without a complete window replacement. You’ll improve your home’s energy efficiency without changing the exterior or its original architectural style, preserving its beauty.

Advantages of Full Window Replacement

You should also consider the benefits of choosing new construction windows for your replacement windows:

Lower Energy Bills

Like retrofit windows, new construction windows lower your energy costs. However, new construction windows may do so at an even greater scale if your window frames were causing more heat transfer.

Reduced Air Leaks

Full replacement windows help create a new, tight seal around the windows. This minimizes drafts that can reduce your energy efficiency.

Enhanced Curb Appeal

New construction windows can quickly give your entire home a brand new look. Outdated windows can be a turn-off to potential buyers if you’re planning to sell. Even if you plan to live there forever, you may have dreamed of having a brighter, airier interior. Full replacement windows offer this advantage over retrofit windows, changing the appearance of your home.

Greater Longevity and Durability

Replacement windows that give you new frames are far more durable and longer-lasting. You won’t have to worry that problems will arise with the existing frames, like you might with retrofit windows.

Easier to Maintain

Replacing the entire window unit and getting rid of old windows may be considered major renovations, though they are much easier to maintain. You’ll have greater peace of mind over the years knowing that your windows require very little care.

Factors to Consider When Choosing Each Installation Process

In order to make an informed decision, it helps to weigh the biggest factors of these types of window installations. Retrofit windows keep your exterior materials intact and do not replace the existing frames. You will have very minimal disruption while enjoying cost savings on your energy bills. It can be a cost-effective way to upgrade your home as long as the old frame is in good condition.

If your current windows are outdated and you want to completely change their shape and size, or you have rot or water damage to the original frame, the only choice is to fully replace the entire window unit. It comes at a higher cost as it is more labour-intensive, though you will have more customization options, allowing you to let your design preferences come to life during the installation process.

Ultimately, it all comes down to what you need. While retrofit windows offer a more budget-friendly option, new construction may be your preferred choice if you want to redo your home’s existing look.

Steps Involved in Retrofitting and Replacement and Expected Timelines

Retrofitting and full replacements have similar steps. Each will start with an assessment. A reputable installer will consider many factors when making recommendations. If your home isn’t that old, they will likely recommend a retrofit, though if they notice damage to the frames, they will recommend a full replacement.

Next, the window openings will need to be measured. For replacements, the dimensions will be taken, while retrofits will need the existing window openings measured to ensure a precise fit. When the window materials have arrived after ordering, the process will be scheduled. With retrofitting, the frame is cleaned and prepared first, while new construction requires leveling and preparing the building materials.

They also differ during installation, as a retrofit window is installed into the existing frame. It is then secured and sealed, while a new construction window requires the entire unit to be installed, sealed, and finished with trim.

Retrofitting your windows can take up to two hours per window, and all windows on your home could be done within a day or two. If you’re having a full replacement, it can take three to four hours per window, and a timeline of five days or longer, especially if you have ordered custom windows. Ask Pinnacle today for a quote to see how long your window project could take!

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