Northern Window is a family owned and operated full service supplier and installer of both doors and windows. We are based in beautiful Fenton Michigan, and are proud to serve homeowners and businesses in the southeastern Michigan area. With a combined 70+ year-experience in the company, Northern Window's staff is kind, courteous and professional. We offer free estimates regardless of project size. Whether you're a homeowner looking for a single window replacement, or a national contractor who needs 500 windows for a large scale historical renovation, Northern Window has the products and experience you need.