How can I secure my window? June 30, 2023 02:21 Updated Apply a small window lock to your window or window track. This item is readily available from other retailers. Related articles How much clearance does the Gradient unit need between the unit and the nearest furniture in order to function properly? How can I seal my window once the Gradient is installed? How do I turn the unit on and off from the Gradient app? Can the unit be installed in a casement window? What is the best angle to install the outdoor unit?