About Us Our mission at Cambridge Doors & Windows is to provide every single customer with a seamlessly gratifying experience from conception to completion. We build relationships and make our customers happy for life. We believe in, take less and give more. We deliver more than what we charge for and make happy customers for life, and they keep referring us. We are Cambridge Doors & Windows, Houston’s premier residential remodeling, new construction, historical, and light commercial custom door and window company. We install what we well.