Double hung windows consist of two vertically sliding sashes within a single frame. Both the upper and lower sashes can be moved up and down independently, allowing for versatile ventilation control. The sashes are counterbalanced by weights or springs, and they typically slide within tracks.
Many double hung windows feature a tilt-in design, allowing easy access to both sides of the glass for cleaning. This is particularly convenient for windows on upper floors. Unlike windows that open outward, double hung windows don’t protrude into outdoor spaces, making them suitable for areas with limited
