Stanek Windows by Great Day Improvements LLC
ConstructionOhio, United States11-50 Employees
Stanek Windows by Great Day Improvements LLC designs, manufactures, and installs vinyl replacement windows and patio doors. The Stanek brand emphasizes energy efficiency, performance, and durability, while offering customized aesthetics such as woodgrain interiors and custom exterior colors. All Stanek products are manufactured and installed exclusively by Great Day Improvements, with a renovation team that coordinates design, fabrication, and installation to address the full scope of a home project. Headquartered in Macedonia, Ohio, the company operates as a mid-sized contractor within the construction industry and is part of the Great Day Improvements family. It serves residential customers seeking durable, energy-efficient windows and doors, with a process that blends national reputation with local presence. In April 2025, Stanek Windows announced a partnership with Flexscreen LLC to offer a flexible screen option intended to reduce obstructions and improve view quality.