NG Windows

NG Windows is a window installer in Holly Springs, GA, specializing in the installation of Infinity by Marvin fiberglass windows and custom doors. The company serves residential customers throughout the region, offering a stress-free buying process with no sales pressure. It emphasizes energy efficiency, durability, and long-term value in its installations, focusing on enhancing light, views, and comfort within homes. The business holds a 4.90 rating based on 713 customer reviews, reflecting strong customer satisfaction.

NG Windows operates as the exclusive Georgia dealer for Infinity by Marvin fiberglass windows, a partnership that ensures customers receive a premium product with patented Ultrex® technology. The company was founded in 2005 by Ted Kirk, with Jonathan Collum joining shortly after. It began in a spare bedroom in Cumming, GA, and has since grown into a dedicated service provider with a showroom located at 11460 Maxwell Road in Alpharetta. The business emphasizes transparency, craftsmanship, and a mission-driven approach rooted in integrity and faith.

The company’s showroom is situated on Maxwell Road, near Fetch Dog Park, in the Alpharetta area. It offers a variety of custom and decorative door options, with over 50 doors displayed for customer review. NG Windows provides in-home consultations and free proposals, supporting customers through every stage of the window and door replacement process.

NG Windows is known for its commitment to quality craftsmanship, customer trust, and the use of high-performance fiberglass windows. Its reputation is built on consistent delivery of durable, energy-efficient solutions that enhance both home aesthetics and functionality. The company continues to serve Georgia homeowners with a focus on long-term satisfaction and reliability.