While serving as essential features for just about any habitable built environment, windows can also be a major liability for both the energy efficiency and security of a property.

Building occupants are often inclined to leave windows open during spells of sweltering weather or in order to ventilate stuffy indoor environments. Given the large number of windows that many buildings possess, however, as well as the often distracted and forgetful nature of the human mind, it’s not unusual for windows to be left open under…