About Us

Crafting Quality, Building Trust: Our Journey Since 1955.

Established in 1955, Certified Window Company is renowned for its unwavering commitment to exceptional service and top-tier windows. Specializing in window and door installation, our professional crews boast extensive experience handling a variety of window types and applications. From vinyl and aluminum to fire-rated windows and patio doors, we deliver unmatched expertise and craftsmanship to every project. Serving a diverse clientele, our locally owned and operated company stands as a trusted leader in the Chicagoland Area.

Experience You Can Trust.

Certified Window stands as a symbol of reliability and expertise, offering unmatched solutions for window replacement and new construction projects. With a legacy spanning generations, our company brings a wealth of knowledge and proficiency to every job, regardless of its scale or complexity. With over 70 years of industry experience, we have honed our skills and refined our processes to deliver seamless results that exceed expectations. As a proud distributor of quality windows and doors, we offer a comprehensive range of products suitable for various applications, ensuring that our customers receive nothing but the best. From consultation to completion, our experienced team is dedicated to providing personalized service tailored to your specific requirements. Trust Certified Window for all your window needs, and experience the difference that expertise and dedication can make.

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