NG Windows

NG Windows is a Window Installer in Dunwoody, GA. The company supplies and installs Infinity by Marvin fiberglass replacement windows and a full range of custom exterior doors, including entry, French and patio models. With more than two decades of experience, NG Windows serves homeowners throughout Georgia and has extended its service reach into the Greater Nashville and Greater Chattanooga areas. Customers benefit from the patented Ultrex® process that delivers high energy efficiency, durability and enhanced views, and the business maintains a 4.90‑star rating based on over 700 reviews.

Founded in 2005, NG Windows began in a spare bedroom and later a basement in Cumming, GA, before growing into a dedicated showroom off Maxwell Road. The firm is the exclusive Georgia dealer for Infinity by Marvin fiberglass windows, a partnership chosen to guarantee the highest‑quality products for its clients. Guided by its Christian faith, the company emphasizes a pressure‑free buying experience, offering free in‑home proposals, financing options and a showroom with more than 50 door displays. Its mission is to simplify window and door shopping while bringing more light into the homes and lives of the community.

With a reputation built on premium craftsmanship, a long‑standing presence in the region and a focus on energy‑efficient fiberglass windows, NG Windows stands out as a trusted source for quality window and door solutions for Dunwoody residents.