Home Window Types

When it comes to defining the home window there are basically two different types – operable and fixed. A fixed window can’t be opened. An operable window has hinges and winding handles that allow it to open the window up or move shutters.

Perhaps the most basic type of operable home window is the awning window. They have hinges at the top and by winding a handle the window sash is pushed outwards and upwards. Casement windows are very similar to awning windows except that they open outward to the right or left instead of out and upwards.

Bay windows combine three or more windows in a single unit. Most have a large center window flanked by two smaller windows positioned at thirty to forty degree angles to each other. A bay home window structurally projects forward and away from the living space and is often capped with its own small roof. Some large bay windows also contain a curved interior window seat beneath the window ledge.

Bow windows are similar to bay windows except that there are many more windowpane segments (as many as ten.) These types of windows are narrow and tall and sit at ten-degree angles to each other.

Clerestory windows sit above other windows or doors and are often used for ventilation. You often see this type of home window in cottages.

Double-hung windows are the most common operable windows, and they consist of two stacked window units (or sashes). In this style, both the upper and lower sashes move up and down in the frame in either a casement or awning style.

Palladian windows describe a style that consists a large, arched window flanked by smaller windows on each side. Patio glass windows act as a door as well as a window, so it extends all the way to the floor. Patio glass windows are often styled as Palladian windows.

Single-hung is just like a double-hung window with two panes but only the lower pane is operable and the top sash is stationary.

Sliding windows are another style of operable window, also called gliding windows. These open and close by moving the sashes horizontally. The patio glass window is also a style of sliding glass window.

Storm windows refer to an extra window that covers the inner home window. They provide extra protection against shattering and some thermal insulation during cold and stormy weather. They can be exchanged for screens in warmer months. You can also buy add on storm windows that are suspended by hooks and held closed with a hook and eye gate closure. Another popular style of storm window is the “combination storm” window that has sashes and screens that slide in tracks and that can be raised and lowered to fit the season.

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