No window combines style and function quite like the Double Hung. It is the traditional American window.
The Double Hung window consists of two "sashes", one on top and one on the bottom... that slide up and down as well as tilt in for easy cleaning.
The sliding action is made possible by stainless steel coil springs (Constant Force Balance System) which support the weight of each sash. The bottom (inside) sash is primarily used for opening the window, although the top (outside) sash can also be slid downward for ventilation.
All Double Hung windows are custom-made to your exact needs...down to 1/8". These windows are available with glass options which will meet rigid Energy Star requirements in all 50 states.