High-Performance Window Installation for Homeowners in Erie County, NY

Showcase multiple white color grid window in kitchen

When you’re ready to install replacement windows, The Kaz Companies is here to help. We’ve been a top home improvement company in the Erie County, New York, area since 1993. Our A+ rating with the Better Business Bureau speaks to our commitment to providing top-of-the-line products and installation services. We’ll be with you every step of the way, from choosing the right windows for your home to completing the installation process.

Unmatched Replacement Windows

The Kaz Companies provides high-quality replacement windows from industry-leading manufacturers Marvin, Andersen, and Simonton. These replacement windows are unmatched in terms of:


Expect our vinyl, wood, and fiberglass windows to last for years without warping, rotting, or cracking. They’re designed to withstand exposure to UV rays and other harsh elements. You can count on them to keep looking and performing their best long after they’re installed.

Energy Efficiency

If your windows are drafty or your heating and cooling costs are going up, your windows could be to blame. At Kaz, we will outfit your home with windows that are designed with energy-efficient features such as low-E glass coating, warm-edge spacers, and krypton and argon gas fills.


Our replacement windows can be customized using a wide selection of stains, finishes, configurations, sizes, hardware, and more. They are also available in numerous popular styles, including:

You can trust that our team of experts will install your windows with the highest level of detail and precision. Plus, we back all of our work with our “Peace of Mind” warranty. So, you can feel confident about your investment.

Contact Us Today

For additional information about the replacement window options we offer to homeowners in the Erie County, NY, area, contact the skilled professionals at Kaz today.