
Generally, these types of ACs can be fit into the window and thus, it is necessary to determine the dimensions of the windows before buying it. Installation and maintenance are not tough task to do however; it is advisable to get it fit by the professional one only. In addition to this, make sure there should not be any furniture or other object in between which can actually interfere the airflow. Moreover, if cleaning is a concern then they can be cleaned very easily with the help of a soft brush.

No doubt, they are comparatively cheaper and light in weight than the other types; however as per the cooling capacity they can only be used to cool down a single room temperature. Apart from the residential use, they can also be used in an office cabin.