Window Installation & Replacement Services

Trusted replacement window contractors in Erie & Niagara Counties

Transform your home with energy-efficient, stylish windows professionally installed by Roberts Roofing and Siding— your trusted window installation contractors near you, proudly serving homeowners and businesses across Niagara and Erie Counties.


Windows play a vital role in the overall comfort, energy efficiency, security, and aesthetics of your home or commercial property. At Roberts Roofing and Siding, we specialize in top-tier window installation and replacement services throughout Western New York. Whether you're looking to replace outdated windows, upgrade to more efficient models, or need expert installation for a new construction project, our skilled replacement window contractors are here to help.

Our services include:


  • New Window Installation: Building a new home or expanding your property? We install a wide variety of window styles and sizes to complement any architectural design. Our experts work closely with you and your contractor to ensure seamless integration into your construction project.
  • Window Replacement: Are your current windows drafty, hard to open, or outdated? Our replacement window contractors provide solutions designed to improve your home's insulation, increase security, and modernize its look. We’ll help you choose the best windows to match your goals and budget.
  • Energy-Efficient Window Upgrades: Upgrading to energy-efficient windows can significantly reduce your heating and cooling costs—especially important in Western New York’s extreme seasonal climates. Our double- and triple-pane window options feature advanced insulation and weather-resistant sealing to keep your home comfortable year-round.
  • Custom Window Options: From bay and bow windows to picture and casement styles, we offer custom-fit windows to match your unique design preferences. Want to add more natural light or give a room a fresh look? Our team can help you reimagine your space with the perfect custom solution.


We install and replace all popular window types, including:

  • Double-Hung Windows
  • Casement Windows
  • Sliding Windows
  • Bay & Bow Windows
  • Picture Windows
  • Awning Windows
  • Custom and Specialty Windows

Why Choose Roberts Roofing and Siding for Window Installation?

We’re more than just a roofing and siding company—we’re exterior specialists committed to improving your property’s curb appeal and performance. As experienced window installation contractors near you, we back our services with:


  • Years of Local Experience: We’ve been serving the communities of Erie and Niagara Counties for over 70 years, and we understand the unique weather challenges and architectural styles of the region.
  • Skilled Craftsmanship: Every window we install is fitted with precision to ensure a tight seal, long-lasting durability, and a polished appearance.
  • High-Quality Products: We partner with leading window manufacturers to provide you with durable, energy-efficient, and stylish window options.
  • Exceptional Customer Service: From the initial consultation to final inspection, your satisfaction is our top priority.

Contact Our Window Installers Today!

Ready to upgrade your windows? Contact us to schedule a consultation and receive a free estimate. With our exceptional service and tailored solutions, our replacement window contractors will help you achieve the perfect balance of style, efficiency, and comfort for your home.