Mirage MiniSplit systems are great, unfortunately they only offer R22 so their systems are not available here in the USA. Mirage Mini Splits come in all sizes. Other types of air units include the Portable AC units which can be carried along while travelling. These compact conditioning units are specifically designed to cool small areas. These units need not be mounted on walls. Though it is not as efficient as the Window AC units, it can be used as an alternative cooling unit.
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