See the below image for the Window types 1 diagram. Here is a round up of the most common types of windows. Each window style serves a different purpose and there are many different windows to choose from. Single Hung / Double Hung Windows. Arched Windows. Awning Windows. Bay & Bow Windows. Casement Windows. Egress Windows.
There are around 18 different window types and styles as mentioned on this page that you can have installed or replaced in your home all with different styles, window frame options, energy efficiency ratings, and glass options. However, the most common window types installed in homes are: Double Hung Windows (two window sashes, opens vertically)
Casement windows are a very popular replacement window type. They are often a single pane of glass that can be cranked open and out from the side. Many homeowners put double casement windows next to each other opening up on each side. Egress windows are often required in many states as an escape route from a basement area of a home.