Window Installation & Replacement in Lemont, IL

American Thermal Window is a family-run business serving Chicago and the surrounding suburbs with over 35 years of experience in window and door installation. The company provides high-quality residential and commercial window and door solutions, ensuring energy efficiency, durability, and enhanced curb appeal. Known for handling everything from standard installations to highly complex projects, American Thermal Window has built a strong reputation for craftsmanship and customer satisfaction. The company’s mission is to deliver superior products and expert installations while maintaining a commitment to exceptional service across Chicagoland (American Thermal Window, Residential Windows, Commercial Windows & Doors).

American Windows and Doors is a Chicago-based company specializing in expert window replacement, repair, and custom door solutions. The company focuses on providing high-quality, energy-efficient windows and durable, stylish doors that enhance the security, aesthetics, and comfort of homes and businesses. With a commitment to expert craftsmanship and professional installation, American Windows and Doors serves the greater Chicago area, offering services including glass replacement, screen repair, and security door installations. The company’s mission is to deliver reliable, affordable, and long-lasting solutions that improve the functionality and appearance of residential and commercial properties while ensuring customer satisfaction through personalized service and trusted expertise (American Windows and Doors).

J.C. Lilly Windows & Doors, founded in 2007 by Jean Frankowski, is a Chicago-based company specializing in professional window and door installation. The company has completed thousands of projects across Chicago and its suburbs, emphasizing quality craftsmanship, affordability, and exceptional customer service. With a mission to make the window replacement process simple and stress-free, J.C. Lilly provides clear explanations of available options tailored to a client’s budget and ensures installations meet manufacturer standards. By focusing on top-quality products, meticulous attention to detail, and treating clients with respect, the company guarantees high levels of customer satisfaction and long-lasting results.

Midwest Windows Direct is a Chicago-based home improvement company specializing in replacement windows, doors, siding, gutters, and roofing solutions. Established by a management team with over 30 years of combined experience, the company was founded to bring high-quality products, professional installation, and exceptional service to homeowners across Chicagoland. Midwest Windows Direct offers a wide selection of energy-efficient vinyl and custom windows, as well as entry, patio, storm, and security doors, along with premium siding options designed to withstand Midwestern weather. The firm emphasizes its “Midwest Guarantee,” which provides customers with full warranty coverage and peace of mind. All installations are performed by AMMA-certified craftsmen trained directly by manufacturers, ensuring superior workmanship and long-lasting results. With more than 18 years in business and hundreds of five-star reviews, Midwest Windows Direct has become a trusted partner for homeowners seeking affordable, durable, and stylish home improvement solutions.

Renewal by Andersen is the full-service window and door replacement division of Andersen Corporation, a longstanding leader in the window and door industry. With a focus on craftsmanship, energy efficiency, and professional installation, Renewal by Andersen provides custom-built, made-to-order replacement windows and patio doors designed to enhance both style and performance in homes across the United States. The company offers a wide range of window styles, including double-hung, casement, bay, sliding, and specialty options, as well as French and contemporary patio doors. Its Signature Service approach combines product innovation, professional design consultation, and expert installation delivered by Certified Master Installers. Renewal by Andersen emphasizes durability, low maintenance, and sustainability, with products engineered to withstand diverse climates while reducing energy costs. Recognized as an ENERGY STAR Partner of the Year and backed by industry certifications, the company is committed to providing a worry-free process supported by strong warranties and customer-focused care.

Semko, Inc. is a family-owned and operated window and door replacement company based in Chicago, Illinois. Founded in 1989 by Hal and his son Jason, and supported by other family members, the company has been serving Chicagoland homeowners with dedication for more than 35 years. Specializing in custom replacement solutions, Semko offers a wide variety of vinyl and wood windows, including double-hung, casement, sliding, bay, bow, garden, and tilt-and-turn styles, alongside patio and French doors. The company prides itself on its personalized approach, often bringing samples directly to customers’ homes to help them evaluate options in person. With thousands of satisfied customers, Semko is recognized for its professionalism, quality installation, and affordable financing options, including 0% interest plans. By combining decades of expertise, top-quality products, and attentive customer service, Semko has established itself as a trusted leader in the home improvement industry throughout the Chicago area.