Window replacement is a home improvement project that will give you the biggest bang for your buck. Not only will you see a return on your investment when you sell your home, but you’ll also enjoy increased comfort an energy savings in the meantime. As certified Andersen Window installers, we have the experience and expertise to ensure that your window replacement project is a success. Andersen Windows are known for their quality and durability, and we’re proud to offer them to our customers. If you’re ready to upgrade your windows contact us today to schedule a consultation.
Add space. Add style. Add value
We know how important it is to keep your home safe and warm all winter long. While things like insulation and weather-stripping can help, the best way to make sure your home is as cozy as possible is to replace your old windows with new, energy-efficient models.
At Cascella and Sons, we have years of experience providing window installation on Long Island. We are also Andersen Certified Installers, so you can rest assured you’ll get the best products and great customer service.
We know how important it is to keep your home safe and warm all winter long. While things like insulation and weather-stripping can help, the best way to make sure your home is as cozy as possible is to replace your old windows with new, energy-efficient models. At Cascella and Sons, we have years of experience providing window installation on Long Island. We are also Andersen Certified Installers, so you can rest assured you’ll get the best products and great customer service.
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Are you looking for more natural light? Are you eager to give your home a new, fresh look? These are just two of the benefits of investing in our Long Island window installation services. Though there are many brands out there, Andersen remains one of the best options for maximizing your comfort in the Long Island climate. So, if you’re looking for Certified Andersen Window Installers, don’t hesitate to contact Cascella & Sons.
Choosing the right windows for your home is a big decision. However, choosing a Certified Andersen Window Installer is an even bigger decision. Make the right choice for your home’s windows & hire a licensed Andersen window contractor like Cascella and Sons Construction.
As you already know, Andersen Windows are one of the top window replacement brands. They are specifically designed to maximize energy efficiency, durability, and performance so you can feel confidence that they will last for years to come.
An ADU gives you options: space for family, income opportunities, or future flexibility, all while staying rooted where you belong.
Cascella and Sons Construction’s crew of highly skilled, factory-trained, and certified window installers is committed to delivering a level of quality, performance, and dependability that homeowners across Long Island can trust.
Every project is approached with precision and care, ensuring that each window is installed to exact manufacturer specifications for optimal efficiency, durability, and long-term performance. From the initial consultation through final installation, the team focuses on clear communication, clean workmanship, and attention to detail, so there are no surprises—just results that meet and exceed expectations.
Beyond the financial return, Andersen windows significantly enhance the way you experience your home every day.
With improved insulation and sound reduction, your living space becomes quieter, more comfortable, and better suited for relaxation or entertaining. Increased natural light and modern design options can completely transform interiors, making rooms feel brighter, more open, and visually refined. Homeowners also benefit from improved indoor temperature consistency, eliminating drafts and uncomfortable hot or cold spots. With a wide range of customizable styles and finishes, each installation can be tailored to complement your home’s architecture while elevating its overall aesthetic.
Choosing Cascella and Sons Construction means working with a team that brings experience, precision, and a true commitment to craftsmanship to every window installation project. As a trusted Long Island contractor, we understand that your home is one of your most important investments, and we approach every project with that level of care. Our certified installers follow strict manufacturer guidelines to ensure each window performs exactly as intended—maximizing energy efficiency, durability, and long-term value.
What sets us apart is not just the quality of our work, but the experience we provide throughout the entire process. From your initial consultation to the final walkthrough, we prioritize clear communication, honest recommendations, and a seamless installation process that minimizes disruption to your home. We take the time to understand your goals, whether you’re focused on improving energy efficiency, upgrading aesthetics, or increasing property value, and tailor our approach to deliver the best possible outcome.
Homeowners across Long Island choose Cascella and Sons because we stand behind our work. Our attention to detail, clean job sites, and commitment to timelines ensure that your project is completed efficiently and professionally. When you partner with our team, you’re not just getting new windows—you’re investing in a higher standard of quality, reliability, and long-term performance for your home.
Upgrading your windows isn’t just about appearance — it’s about improving how your home performs every single day. At Cascella & Sons, we combine certified Andersen installation expertise with a structured, detail-driven process to ensure your windows deliver long-term efficiency, durability, and comfort.
Some homeowners want a quick replacement. Others want a properly executed installation that maximizes energy savings, protects their investment, and enhances their home’s value. We’re built for both — but we specialize in delivering results that are done right the first time.
If you value precision, clean workmanship, and knowing your installation is handled by experienced professionals, you’ll feel confident working with our team.
Every window is installed to exact manufacturer specifications, ensuring proper sealing, insulation, and long-term performance. This precision prevents drafts, water intrusion, and premature wear.
We install high-performance Andersen windows designed to reduce heat loss, improve insulation, and lower energy costs — helping your home stay comfortable year-round in Long Island’s climate.
From preparation to final installation, our team maintains a clean job site and an organized workflow. We protect your home, minimize disruption, and complete projects efficiently without cutting corners.
We handle the complexity so you can follow along as much or as little as you want.
Skilled craftsmanship backed by thorough planning, inspections, and attention to detail—because quality should nOur installations are built to last. By combining premium materials with expert craftsmanship, we ensure your windows maintain their function, appearance, and efficiency for years to come. ever be assumed.
Hear from Long Island Homeowners Who Transformed Their Living Space with Us

About Cascella & Sons Contractors
An ADU (Accessory Dwelling Unit) is a secondary residential living space
Common signs include drafts, rising energy bills, difficulty opening or closing windows, condensation between panes, or visible damage to frames. If your windows are over 15–20 years old, it may be time to consider a replacement for improved efficiency and performance.
on the same property as a primary home. It functions as a complete, independent living unit and typically includes a kitchen, bathroom, sleeping area, and private entrance. ADUs are often used as in-law suites, guest houses, rental apartments, or home offices.
A certified Andersen installer ensures your windows are installed according to strict manufacturer standards. This guarantees proper performance, protects your warranty, and ensures long-term durability, energy efficiency, and a better overall result.
Most standard window installations can be completed within one to two days, depending on the number of windows and project complexity. Larger or custom projects may take longer, but our team provides a clear timeline before work begins.
Yes. Energy-efficient Andersen windows are designed to improve insulation and reduce heat transfer. Proper installation eliminates drafts and air leaks, which can significantly reduce heating and cooling costs throughout the year.
We offer a wide range of Andersen window styles, including double-hung, casement, awning, picture, bay, and custom configurations. Each option can be tailored to match your home’s style and performance needs.