A casement window is attached to the frame by depending upon the left or best side of the frame. They come with a single window pane with one hinge on the left or ideal or with double window panes that swing open in the center. Casement windows are popular in spots where pushing a window open is difficult, such as above the kitchen sink, and can be quickly opened with one hand.

Casement windows might not be as popular as the double hung window however it's not far behind because of its numerous advantages. When casement windows are closed, they are the most energy-efficient of all window types. The casement window's sash is able to fasten really securely when in a locked position - all four sides seal securely; enabling really little outdoors air to get in. No other replacement window offers as huge of an opening for ventilation as casement windows.