New Construction Windows vs Replacement Windows: Which Will Boost Your Home’s Energy Efficiency?

Kind Reader, when it comes to selecting windows for your home, you may come across two options: new construction windows and replacement windows. These terms refer to the type of installation required for the windows to be placed in your home. New construction windows are installed in newly constructed homes, while replacement windows are installed in homes that already have existing windows. The decision to choose one over the other can depend on various factors, such as your budget, the condition of your current windows, and your desired outcome. In this article, we will explore the differences between new construction windows vs replacement windows to help you make an informed decision.
New construction windows: What are they?

New construction windows are, as their name suggests, windows that are installed in a new construction. They are commonly used in newly constructed homes or buildings, where the windows are being installed in the framing of the structure itself. During the construction process, the contractor will install these windows, which are typically held in place with nailing fins that are embedded in the building’s exterior wall. Due to the unique way in which these windows are installed, they are not an ideal choice when it comes to replacing existing windows.
Advantages of new construction windows
New construction windows offer a range of advantages over replacement windows, including:
No | Advantages of new construction windows |
---|---|
1 | Ability to choose the size and shape of the window. |
2 | The cost of new construction windows is often lower than that of replacement windows, as they do not require the added expense of removing old windows and retrofitting the window opening to fit the new window. |
3 | They can also be more energy-efficient, as the frame and glass can be custom-designed to meet the unique needs and specifications of the building. |
Disadvantages of new construction windows
Despite their benefits, there are some potential downsides to choosing new construction windows:
No | Disadvantages of new construction windows |
---|---|
1 | They require much more work to install, as the contractor must install the framing and windows at the same time. |
2 | They are not an ideal choice for retrofitting or replacing an existing window, as they require the entire wall to be stripped away in order to install. |
3 | They often require a longer install time than replacement windows, which can cause delays in the construction process. |
Replacement windows: What are they?

Replacement windows are designed to fit into an existing window opening, and are typically used in older homes or buildings that have existing windows that need to be replaced. They are designed to fit snugly into the existing frame, eliminating the need for costly and time-consuming removal of the old frame. Installation is typically much easier, and can typically be done in a matter of hours.
Advantages of replacement windows
Replacement windows offer several potential advantages over new construction windows, including:
No | Advantages of replacement windows |
---|---|
1 | They are cheaper than new construction windows, as they do not require the added work of replacing the entire wall framing. |
2 | They are ideal for retrofitting or replacing an existing window, as they can be installed in the existing frame, which can save time and money. |
3 | They generally have a faster installation time than new construction windows, which can be beneficial for time-sensitive projects. |
Disadvantages of replacement windows
Despite their benefits, there are some downsides to choosing replacement windows:
No | Disadvantages of replacement windows |
---|---|
1 | The size and style of the window may be limited by the size and style of the existing opening. |
2 | They may not be as energy-efficient as new construction windows, as the frame and glass may not be able to be custom-designed for the unique needs of the building. |
3 | They may require more maintenance over time, since they are often installed in older homes or buildings that may have other issues that could impact the window installation. |
New Construction Windows vs Replacement Windows: Cost Comparison

One of the biggest considerations when it comes to choosing between new construction windows and replacement windows is cost. In general, replacement windows are less expensive than new construction windows. This is because they don’t require as much labor or materials for installation.
Cost of New Construction Windows
New construction windows are typically installed during the building process. This means that the installation is included in the overall cost of building your home. The cost can vary based on the size of your home and the type of window you choose. The average cost of new construction windows is around $800 to $1,200 per window.
Cost of Replacement Windows
On the other hand, replacement windows are typically installed in an existing home. The cost of replacement windows will depend on the number of windows you need to replace and the type of window you choose. The average cost of replacement windows is around $500 to $900 per window. However, it’s important to note that this cost can vary depending on the condition of your existing windows and any additional work that needs to be done during installation.
No | Cost Comparison Factors | New Construction Windows | Replacement Windows |
---|---|---|---|
1 | Installation | Included in overall building cost | Additional cost |
2 | Window Cost | Average cost: $800-$1200 | Average cost: $500-$900 |
When it comes to cost, replacement windows are typically the more budget-friendly option. However, it’s important to consider the condition of your existing windows and any additional work that may need to be done during installation. In some cases, new construction windows may be the better long-term investment.
No | Key Points | New Construction Windows | Replacement Windows |
---|---|---|---|
1 | Installation Process | Installed during construction of a new home or addition | Installed in place of existing windows without removing the frame |
2 | Cost | Usually more expensive due to additional labor and materials cost | Generally less expensive as they only replace the window itself and not the frame |
3 | Materials | More customizability in terms of materials, sizes, and shapes | May have more limitations in terms of materials and sizes |
4 | Energy Efficiency | Tend to be more energy-efficient due to being installed with the overall construction process in mind | Newer models can be just as energy-efficient as new construction windows |
5 | Frame Condition | Must have a completely new frame installed, which can affect the appearance of the home’s exterior | Existing frame can remain in place, resulting in less disruption to the home’s exterior appearance |
6 | Noise Reduction | May be more effective at reducing outside noise due to a more tightly sealed frame | Can still provide effective noise reduction, especially with higher quality models |
Durability and Maintenance

Durability and maintenance are two of the most important things that homeowners consider while selecting windows for their home as they don’t want to spend a lot of money on repairs and replacements.
New Construction Windows vs Replacement Windows: Durability
New construction windows and replacement windows both have their advantages when it comes to durability.
New construction windows are made and installed in the early stages of a building project, which makes them a bit more durable as they are attached directly to the home’s structure. They are typically designed to last for a long time, with warranties ranging between 10 to 20 years or more depending on the brand.
On the other hand, replacement windows can be a bit less durable since they are installed in existing window frames which can be old and damaged. Replacement windows typically come with a warranty of 5 to 10 years or as long as 20 years in some cases, depending on the manufacturer and installation quality.
New Construction Windows vs Replacement Windows: Maintenance
When it comes to maintenance, both new construction and replacement windows require some form of maintenance.
New construction windows require regular washing and cleaning to maintain their appearance and prevent dirt and grime build-up. As they are attached directly to the home’s structure, they may require maintenance on the exterior to prevent cracks or leaks. However, they generally require less maintenance than replacement windows.
On the other hand, replacement windows require more maintenance as they may be fitted into damaged window frames. The frames may need to be repaired before the replacement windows are installed, and there may be additional maintenance needed for the interior and exterior of the windows and frames, depending on the age and condition of the existing windows.
No | New Construction Windows | Replacement Windows |
---|---|---|
1 | Durable as they are attached directly to the home’s structure. | May be less durable as they are fitted into existing window frames. |
2 | Require regular washing and cleaning to maintain their appearance and prevent dirt and grime build-up. | Require more maintenance, including repairs to the window frames before installation. |
3 | May require maintenance on the exterior to prevent cracks or leaks. | May require additional maintenance for both the interior and exterior of the windows and frames. |
4 | Typically designed to last a long time, with warranties ranging between 10 to 20 years or more depending on the brand. | Typically come with a warranty of 5 to 10 years or as long as 20 years in some cases, depending on the manufacturer and installation quality. |
New Construction Windows vs Replacement Windows: Energy Efficiency

The energy efficiency of a window is determined by the amount of heat that passes through it. The lower the number, the more energy efficient the window is. New construction windows are built for new homes and often have a lower U-factor, which means they are more energy efficient. This is because they are built with thicker frames and insulation, which reduces the transfer of heat. However, the installation of new construction windows can be time-consuming and expensive, especially if the home has existing windows that need to be removed.
New Construction Windows: Energy Efficiency
New construction windows are built with thicker frames and insulation, which reduces the transfer of heat. This means that they have a lower U-factor, making them more energy efficient. The thick frames and insulation that come with new construction windows reduce the amount of heat that passes through, which in turn reduces your energy costs.
Replacement Windows: Energy Efficiency
Replacement windows can also be energy efficient, but it depends on the quality of the window and the material used. Some replacement windows are built with low-E coatings, which reflect heat during the summer and retain it during the winter, making them more energy efficient. Similarly, some replacement windows have gas fills between the panes, which act as an insulator and reduce the transfer of heat.
Note: It is important to purchase high-quality replacement windows that are energy efficient if you want to reduce your energy costs.
New Construction Windows vs Replacement Windows: Cost

Cost is an important factor to consider when choosing between new construction windows and replacement windows. New construction windows can be expensive, especially if you are installing them in an existing home. The installation process can be time-consuming especially if you have to remove the old windows before you install the new ones. On the other hand, replacement windows are a more cost-effective option, especially if you need to replace a few windows in your home.
New Construction Windows: Cost
New construction windows are expensive, especially when you are retrofitting an existing home. This is because the installation process can be complicated and time-consuming. In addition, new construction windows require additional materials such as a nailing fin and exterior trim which can add to the overall cost.
Replacement Windows: Cost
Replacement windows are less expensive than new construction windows, especially if you are only replacing a few windows in your home. In addition, replacement windows are easier to install than new construction windows, which can significantly reduce the cost of installation.
Note: It is important to budget for both the cost of the window and the cost of installation when considering new construction windows and replacement windows.
Cost Comparison of New Construction Windows vs Replacement Windows

Cost is a major factor to be considered when deciding between new construction windows and replacement windows. The cost of new construction windows typically includes the purchase and installation costs, as they are built into your house’s framing. However, replacement windows are installed into existing frames, making installation costs lower than new construction windows.
New Construction Windows
New construction windows are more costly than typical replacement windows. The cost of new construction windows varies depending on the size, style, brand, and materials used. Wood and fiberglass are more expensive than vinyl. However, new construction windows have more long-term benefits and can raise the value of your home in the long run. They are better in handling harsh weather conditions and can last for 30 years or more.
Replacement Windows
The cost of replacement windows is generally less than new construction windows. However, there are different window materials, brands, and styles, and each has its own pricing structure. Vinyl windows are usually the most affordable, followed by wood, then aluminum and fiberglass. In addition, the installation costs are lower because you are not tearing out the old frame, making the process faster and less labour-intensive. Replacement windows generally last between 10 and 20 years.
No | Difference in Cost: New Construction vs Replacement Windows |
---|---|
1 | New construction windows are more expensive than replacement windows. |
2 | Vinyl replacement windows are less expensive compared to wood and fiberglass. |
3 | Installation costs for replacement windows are lower as existing frames do not need replacement. |
Window Replacement Cost Comparison

When it comes to replacing windows, cost is a major factor to consider. The price of new construction windows and replacement windows varies and depends on several factors such as material quality, window size, window type, and the installation process. However, replacement windows tend to be more cost-effective compared to new construction windows. This is because replacement windows do not require a costly installation process that involves removing the entire window frame.
Pros of Replacement Window Cost
The cost of replacement windows consists of the cost of the windows themselves plus the cost of installation. Typically, installation cost is either equal to or less than the cost of the windows themselves. Since replacement windows are custom-made to fit your existing window frame, they are more affordable than new construction windows. You don’t need to pay extra for labor, permits, or any additional construction costs.
Cons of New Construction Window Cost
New construction windows tend to be more expensive than replacement windows due to the extra costs associated with construction. You’ll be replacing the entire window, including the frame, which can increase the installation cost. You may also need to hire an architect or a contractor to ensure proper installation, which would increase the total cost of the project. Furthermore, new construction windows require additional permits and inspections, which can further increase the overall cost.
Window Replacement Durability and Longevity

When comparing new construction windows vs replacement windows, durability and longevity should also be considered. The longevity of a window depends on the quality of material, the frequency of maintenance, and the manufacturer’s warranty. Fortunately, both new construction windows and replacement windows have their pros and cons in terms of durability and longevity.
Pros of Replacement Window Durability
Replacement windows are made of durable materials like vinyl, aluminum, and wood. They are manufactured to withstand harsh weather conditions which ensures longevity. Moreover, these windows require minimal maintenance to maintain their durability.
Cons of New Construction Window Durability
New construction windows are made with high-quality materials such as wood, aluminum-clad, and vinyl-clad wood. They are also designed to last for many years. However, they have a shorter lifespan compared to replacement windows. This is because they are exposed to more wear and tear during installation, and require more maintenance due to their exposed frame.
Cost of New Construction Windows vs Replacement Windows

When it comes to cost, new construction windows are typically more expensive than replacement windows. This is because of their installation process and the additional labor involved. New construction windows require a full frame replacement, which means that the original window frame must be removed completely before the new window can be installed.
New Construction Windows
The average cost of new construction windows is around $550 per window, not including installation. This cost can increase based on a variety of factors, such as the size of the window, the materials used, and the location of the home. Installation costs for new construction windows typically range between $100 and $300 per window, but can be more depending on the complexity of the installation process.
Replacement Windows
Replacement windows, on the other hand, are less expensive than new construction windows because they do not require a full frame replacement. Instead, replacement windows are designed to fit into the existing window frame. This means that installation costs are lower for replacement windows.
The average cost of replacement windows is around $400 per window, not including installation. Installation costs for replacement windows typically range between $50 and $100 per window, but can be more depending on the complexity of the installation process.
It is important to keep in mind that the cost of windows can vary greatly depending on a variety of factors. When considering replacing your windows, it is recommended that you get multiple quotes from various window contractors to ensure that you are getting a fair price.
Energy Efficiency of New Construction Windows vs Replacement Windows

Energy efficiency is an important factor to consider when choosing between new construction windows and replacement windows. Both types of windows can offer energy efficiency benefits, but there are some differences to keep in mind.
New Construction Windows
New construction windows can offer excellent energy efficiency because they are installed into a completely new frame that is designed to be energy efficient. This means that you can choose materials and features that will help to keep your home comfortable year-round. Some energy-efficient features of new construction windows include Low-E glass, argon gas fills, and insulated frames.
Replacement Windows
Replacement windows can also offer energy efficiency benefits, but they do not always provide the same level of efficiency as new construction windows. This is because replacement windows are installed into an existing frame, which can limit the options for energy-efficient features. However, many replacement windows offer features such as Low-E glass and argon gas fills that can help to improve energy efficiency.
When choosing between new construction windows and replacement windows, it is important to consider your specific energy efficiency needs. If energy efficiency is a top priority, then new construction windows may be the better choice. However, if you already have a relatively energy-efficient frame and are looking to improve efficiency without a full replacement, then replacement windows may be a better option.
New Construction Windows vs. Replacement Windows
If you’re building a new home or upgrading your existing windows, you may be wondering whether new construction windows or replacement windows are right for you. Here are answers to some of the most common questions we get asked about new construction windows vs. replacement windows:
1. What is the difference between new construction and replacement windows?
New construction windows are installed on a new home during the construction process. Replacement windows are installed in place of old or damaged windows on an existing home.
2. Which is more cost-effective, new construction or replacement windows?
Replacement windows are typically more cost-effective than new construction windows because they are designed to fit into your existing window openings without the need for any additional installation materials or labor.
3. Are new construction windows better quality than replacement windows?
Not necessarily. Both new construction and replacement windows can be high-quality and energy-efficient, it just depends on the specific product you choose.
4. Can replacement windows be installed in a new construction home?
Yes, replacement windows can be installed in a new construction home, but they would need to be installed using the same materials and techniques as new construction windows.
5. What type of window is best for a new construction home?
The best type of window for a new construction home depends on your specific needs and preferences. Double-hung windows are a popular choice because they are versatile and easy to maintain.
6. What type of window is best for a replacement project?
The best type of window for a replacement project is one that fits seamlessly into your existing window openings and provides the energy-efficiency and durability you need.
7. Can replacement windows help improve energy-efficiency?
Yes, replacement windows can help improve energy-efficiency by reducing the amount of heat transfer between the interior and exterior of your home.
8. Do new construction windows come in standard sizes?
New construction windows come in a variety of standard sizes to fit most homes, but custom sizes can also be ordered if needed.
9. Can replacement windows match the style of my existing windows?
Yes, replacement windows come in a variety of styles and colors to match the look of your existing windows.
10. How do I know when it’s time to replace my windows?
If your windows are drafty, have cracked or broken glass, or are difficult to open or close, it may be time to consider replacing them.
11. What is the average lifespan of a window?
The average lifespan of a window depends on factors such as the quality of the materials and installation, as well as the amount of wear and tear. Most windows last between 15 and 25 years.
12. Are new construction windows more difficult to install than replacement windows?
New construction windows can be more difficult to install because they require additional materials and labor to properly install the window frame.
13. Can I install replacement windows myself?
It’s possible to install replacement windows yourself, but we recommend hiring a professional to ensure proper installation and avoid any damage to your home.
14. How long does it take to install replacement windows?
The installation time for replacement windows varies depending on the number of windows being replaced and the complexity of the project. A typical installation takes between 1 and 2 days.
15. Are new construction windows more energy-efficient than replacement windows?
Not necessarily. Both new construction and replacement windows can be energy-efficient if they are properly installed and have the right features, such as double-paned glass and low-E coatings.
16. Can I replace my windows in stages?
Yes, you can replace your windows in stages if needed. This allows you to spread out the cost and complete the replacement project over time.
17. How do I choose the right window installer?
Look for an installer with experience and certifications in window installation. You can also ask for references and check online reviews to ensure you choose a reputable company.
18. What is the warranty on new construction windows?
The warranty on new construction windows varies depending on the manufacturer and product, but most warranties are for 10-20 years or more.
19. What is the warranty on replacement windows?
The warranty on replacement windows also varies depending on the manufacturer and product, but most warranties are for 10-20 years or more.
20. Can I get financing for new windows?
Many window installers offer financing options to help you pay for your new windows over time.
21. Do replacement windows require any maintenance?
Replacement windows require minimal maintenance, such as cleaning the glass and lubricating the tracks and hinges.
22. Can new construction windows be replaced later if needed?
Yes, new construction windows can be replaced later if needed, but it may require additional labor and materials to properly install the new windows.
23. Can replacement windows increase the value of my home?
Yes, replacement windows can increase the value of your home by improving its energy-efficiency and curb appeal.
24. How do I properly care for my windows?
You can properly care for your windows by cleaning them regularly with a soft cloth or sponge and a mild soap solution. Avoid using harsh chemicals or abrasive materials that can scratch the glass.
25. How long do replacement windows take to pay for themselves in energy savings?
The payback period for replacement windows varies depending on factors such as the cost of the windows, your local climate, and your energy usage. On average, replacement windows pay for themselves in energy savings within 5-7 years.
If you’re deciding between new construction windows and replacement windows, it’s important to know the differences. Check out this helpful article on new construction windows vs replacement windows to make an informed choice for your home.
Farewell for Now, Kind Reader
We hope we’ve helped you understand the differences when it comes to new construction windows vs replacement windows. Ultimately, it comes down to your specific needs and situation. But whether you’re building a new home or improving an existing one, investing in good quality windows is never a bad idea. Thanks for reading, and come back again soon. Happy building!