Similar to the single hung window, only the double hung window has a top and bottom sash that both move. The top sash moves upward while the bottom moves downward.
Versatility: Double hung windows provide a variety of ventilation options.
Architectural versatility: Double hung windows can compliment a variety of home styles.
Cleaning: Both sashes slide as well as tilt in for hassle free cleaning on the inside and outside of the window.