What is the minimum clear opening height of an emergency escape window?

The minimum clear opening height of an emergency escape window is 24 inches. This requirement is established to ensure that occupants can safely and quickly exit a building in the event of an emergency, such as a fire. The 24-inch height provides a sufficient opening for adults and children to utilize as a means of escape, while also accommodating some larger emergency rescue equipment if needed.

Additionally, the height requirement falls in line with safety codes and fire regulations that aim to protect individuals' ability to leave a structure swiftly. Having a minimum of 24 inches ensures that the window opening is practical for use, and it strikes a balance between safety and structural integrity.

It's important for contractors and builders to adhere to these guidelines, as they are vital for the safety and wellbeing of occupants in any residential or commercial building.