A double hung window is defined as a window that has two sashes, each one capable of moving up and down within the frame. Tilt-out upper and lower sashes are the best features of modern versions of double hung windows. They open by sliding the bottom half of the window up or sliding the top half down. They provide less ventilation. They’re frequently used in bedrooms, bathrooms and many other rooms in a house. Double hung windows are available as new construction or replacement models. Some manufacturers also offer windows with removable sashes.
Double Hung Windows Options
Though available in different materials, homeowners who love the appearance of wood indoors will often install this type of window. Modern advancements have led to the use of other materials, such as aluminum, vinyl, wood and fiberglass. This window comes in a variety of sizes.
Hardware for this windows includes the sash lifts that are fastened to the bottom rail, although they are sometimes eliminated by providing a finger groove in the rail.
They are generally quite hardy, often having a life span of 25 years or more. They have a locking system that secures them against heavy winds or water.
Energy Efficient
Some windows are made with plastic parts, but bronze or other metals are recommended for durability. Double hung windows require precise measurements to eliminate air and moisture leaks. This windows have a built-in structural thermal barrier that dramatically reduces the transfer of heat and cold. Air will naturally rise out of the higher opening, pulling cooler air in the lower opening.