It does cool, but not suitable for child’s room at night due to the extremely bright green lights on the front that glow the entire room. The shut off when the temp gets to the right temp is extremely loud. Not very quiet as states. The accessories to put in the window fits either a tiny window or a very large window. Not a normal size window. It is bulky as well. Does cool a room down but once shuts off at that temp. Click back on quickly after