Needing residential or commercial doors in New Bedford? Bay State Window Door, Inc. for interior exterior doors, window repair gl..Examining Bay Windows Advantages and Disadvantages. Bay windows project outward from the side of the house. They are made up of a central window and two side windows..Stanek bow and bay windows offer both function and beauty. Custom made to fit your home, these windows are available in multiple wood finishes and colors..In this post, you’ll learn What’s the major difference between a bay and bow window. If there’s a cost difference between a bow and bay window..