The Ultimate Guide to Window Replacement

Your home’s windows play a vital role in both aesthetics and functionality. Windows let in natural light, provide ventilation, and enhance your property’s curb appeal. Over time, windows can deteriorate due to various factors, including wear and tear, weather damage, or changing design preferences. If you’re considering a window replacement, you’re in the right place. In this blog, we’ll explore the many aspects of window replacement, from the benefits of upgrading your windows to the different types of windows available and the installation process. Whether you’re looking to improve energy efficiency, enhance your home’s appearance, or simply make an overdue upgrade, this guide will help you make informed decisions about your window replacement project.

The 5 Top Benefits of Window Replacement 

  1. Energy Efficiency: The harsh winters and hot summers in the Northeast can lead to high heating and cooling costs. Heat gain and heat loss through windows are responsible for 25%–30% of residential heating and cooling energy use, According to the U.S. Department of Energy. Energy-efficient windows, such as those with Low-E glass and advanced insulation, help reduce energy consumption, maintain comfortable indoor temperatures, and lower utility bills.
  2. Improved Comfort: Old or poorly functioning windows can lead to drafts, condensation, and temperature imbalances in the home. Replacement windows can significantly enhance indoor comfort by eliminating drafts and maintaining a more consistent temperature.
  3. Enhanced Aesthetics: Upgrading windows can transform the curb appeal of a home. Homeowners often replace windows to give their properties a fresh, updated look, or to match the architectural style of their homes. New windows can also improve interior aesthetics by letting in more natural light and offering better views.
  4. Noise Reduction: Windows with acoustic insulation or laminated glass can help create a quieter and more peaceful indoor environment.
  5. Home Value: Replacing windows is an investment that can increase the resale value of a home. Modern, energy-efficient windows are attractive to potential buyers and can lead to a higher selling price. Homeowners often see a good return on investment when selling their homes with upgraded windows.


It’s important to consider the specific needs and goals of your home when deciding to replace windows. Factors like the age and condition of your existing windows, budget, climate, and personal preferences will influence the decision. Consulting with a local window professional such as Riverhead Building Supply can help you choose the right windows for you.

andersen window replacement riverhead building supply

Replacement Window or Insert Window – What’s the difference?

The choice between a full replacement window and an insert window depends on several factors, including the condition of the existing window and frame, your design preferences, and your budget. If the existing window frame is in good condition and you want a simpler installation, an insert window may be a suitable choice. However, if the frame is deteriorating, or if you want to change the window’s size or style significantly, a full replacement window may be the better option.

Full Replacement Window:

  • When you opt for a full replacement window, it typically involves removing the entire existing window unit, including the frame, sashes, and all components. This means that you are essentially starting from scratch, and a new window is installed in its place.
  • Full replacement windows are often used when the existing window and frame are in poor condition or when you want to change the window’s size or style. The entire window opening is reconfigured to accommodate the new window, which may involve modifications to the wall structure.
  • Since a full replacement window includes its own frame and jamb components, it may result in a slightly thicker frame profile compared to insert windows. This can impact the visible glass area and the overall aesthetics.

Insert Window:

  • Installation Method: An insert window, also known as a pocket window or retrofit window, is designed to fit into the existing window opening without disturbing the surrounding frame, interior trim, or exterior siding. It’s a more straightforward and less invasive installation process.
  • Preservation of Frame: With insert windows, the existing frame and trim are left in place. Only the old sashes and window unit are removed, and the new window is installed within the existing frame. This method is less disruptive to the home’s structure and aesthetics.
  • Thinner Frame: Since an insert window doesn’t replace the existing frame, it typically has a thinner profile than a full replacement window. This allows for a larger visible glass area and can be an advantage if preserving the original frame and trim is desirable.


Our top Replacement Window Solutions from Andersen, Marvin, and MI Windows

When it’s time for window replacement, explore Riverhead Building Supply for windows from Andersen, Marvin, and MI Windows. With a wide variety of styles, quality materials, customization opportunities, affordability, and a commitment to energy efficiency, these trusted brands provide a gateway to improving your home’s comfort and aesthetics. Make your home more beautiful, efficient, and eco-friendly by choosing the right replacement windows and professional installation services for your unique needs.

Read on for our selections of full replacement windows and insert windows.

The Andersen Woodwright Replacement Window and The Andersen Woodwright Insert Window both offer a traditional wood window aesthetic with customization options, but they differ in installation methods and frame profiles.  The primary difference between these two options is the installation method. The Replacement Window is a complete window unit designed to replace the entire window, while the Insert Window is meant to fit into an existing window frame, making it a suitable choice for homeowners who want to upgrade their windows without a full-frame replacement.

The Narroline Replacement Kit is a unique product designed to enhance the energy efficiency of existing Narroline double-hung windows, making it a specialized solution for Andersen’s own product line. 

When choosing among these options, consider your specific needs, including whether you want a full-frame replacement, an insert, or an upgrade for Narroline windows.

marvin windows and doors rbs

Marvin Windows offers a range of replacement window types, with the Ultimate series emphasizing traditional wood or wood-clad materials and a high degree of customization, while the Elevate series utilizes Ultrex fiberglass for durability, energy efficiency, and cost-effectiveness in standard sizes. Your choice will depend on your style preferences, budget, and the specific requirements of your home renovation or replacement project.




MI Windows – Affordable Quality

If affordability and quality are your top priorities for replacement windows, MI Windows has you covered:

  • Diverse Styles: MI Windows offers a wide variety of replacement window styles to suit your home’s architectural design.
  • Quality Materials: MI Windows provides a range of window options crafted from vinyl, aluminum, and composite materials, each offering unique benefits in terms of durability and energy efficiency.
  • Energy Efficiency: MI Windows provides energy-efficient replacement windows with features like Low-E glass, advanced weatherstripping, and thermal barriers to reduce energy consumption.
  • Customization: MI Windows understands that every home is unique. Their replacement windows can be customized with various frame colors, grid patterns, and sizing options to create a window solution that perfectly complements your home’s aesthetics.
  • Affordability: MI Windows is committed to providing affordable window solutions without compromising on quality.
  • Warranty: MI Windows stands by the quality of their products and offers solid warranties to provide peace of mind to homeowners. Be sure to review the specific warranty details for the replacement windows you select at


Window Installation Service – The Key to a Successful Replacement

Window replacement is more than just swapping old windows for new ones; it’s an opportunity to enhance your home.Whether you choose Andersen, Marvin, or MI Windows for your replacement windows, it’s crucial to consider professional window installation services. Installation by Riverhead Building Supply professionals ensures that your new windows are fitted correctly, maximizing their energy efficiency and longevity. Currently, Riverhead Building Supply offers installation services for residents of Nassau and Suffolk Counties in New York. To learn more or to get a quote, call us at 631-591-7810 or fill out our short form.