Single-hung windows have a sash at the bottom that moves up to open and allow for ventilation. The top sash is fixed in place. Single-hung windows open without protruding.
Double-Hung windows are a very popular choice for new and replacement windows. You can operate the window from either the bottom or top and slide them up and down for ventilation. If you have a room facing a porch, patio or walkway, a double-hung window can be a great choice because it opens and closes without protruding. Double-hung windows are easy to clean because the sashes tilt inward.
Slider windows open horizontally with the sash sliding left or right. Slider windows open without protruding and are an excellent choice if your window faces a porch, patio or walkway. Slider windows are a great choice for contemporary style home and are often chosen to satisfy bedroom egress requirements.
Picture windows do not open. They are typically used in difficult to reach places to let in light or for unobstructed views when ventilation is not a concern. They offer a portrait-like space on walls and are a great choice if you want to let in natural light without letting in air.
Arch or Radius windows have a bottom half that is rectangular and a top half that is an arch or half-circle. Arch windows are a great addition to a room to bring in softness and contrast. Arch windows can be operable (where they open) or just let in light (fixed).
Casement & Pushout
Casement or push-out windows have hinges that allow you to open the window out like a door. They look like picture windows because there is no rail, like in a single or double-hung window. Some casement windows can just be pushed open, and others have a hand crank to open the window. Screens are placed inside the window. Casement windows are a great choice if you are putting a window over a sink, counter top or appliance.
Awning & Hopper
Awning or Hopper Windows have a hinge on the top and open outward. This is a great option for a window that will let in ventilation without letting in rain or falling leaves. Screens are on the inside. Awning windows are a great choice for basements because they can be placed up high on a wall and be opened with a handle.
Garden windows extend out from the house and usually have shelves for plants or decorations. Garden windows have vents on the side to provide ventilation. They are a great choice over a kitch
Bay & Bow
A Bay window combines three windows of varying widths that extend from the wall of your home. Bay windows accentuate the view by dividing the view into different planes. They also bring more light and spaciousness to a room. Bow windows are made of three or more windows that are joined at equal angles and form a more even curve to the window.
A skylight window is installed on the ceiling and brings in light and views of the sky. Skylights are a great way to bring more light into a darker room but still ensure privacy. They are also commonly used in rooms with outside facing walls.