You can go for hOme 5000 BTU Window Mounted Air Conditioner - Compact 7-speed Window AC Unit Small Quiet Mechanical Controls 2 Cool and Fan Settings with Installation Kit Leaf Guards Washable Filter - Indoor Room AC, price is very cheap $128 in Amazon. Last air I bought this one (5000 BTU ) for bedroom, after reviewing from https://coolingmyrv.com/, this site. All are the features of this AC are good. Cooling time 10 minutes or less. Reusable washable ECO filter, and two-way air flow. If you want you can try this one.