For large rooms: the 12，000 BTU (8，000 BTU 2017 DOE standard) Aolis portable air conditioners provide exceptional cooling power for spaces up to 450 sq. ft. with a maximum airflow of 276 CFM， you can quickly cool large， open areas like the living room， attic， or office

Faster installation: the quick-adjust window panel can be installed in windows from 9 in. to 62 in. with no tools required， you can have your AC up and running within 15-minutes of opening the package

Swing function: you can use this mode to automatically blow cool air across a 90° area instead of one direction， helping to cool down a larger part of the room more efficiently

3-in-1 appliance: use the powerful cooling mode to keep your room cool in the heat of summer or use the fan mode to circulate indoors when you just need a cool breeze， the dry mode can be used to remove up to 81-pints of water per day on extra-humid rainy days

Minimal maintenance: with a washable air filter， you no longer need to worry about buying replacement filters， there is also no need to drain the water pan unless you are in a super-humid environment as any collected water will automatically evaporate inside the unit