High Efficiency Cooling: This 5,000 BTU window AC unit boasts an 11 CEER, efficiently cooling spaces up to 150 square feet. Ideal for cooling dorm rooms, bedrooms and smaller living spaces Mechanical Control Dials: Equipped with adjustable mechanical controls with easy-to-use knobs, our window AC units provide ease of use that is user-friendly Two Cooling & Fan Modes: Our window AC unit for bedroom feature two cooling and fan speeds. Window unit air conditioner adapts to varying climate needs efficiently Easy Installation: Our window air conditioners include mounting hardware and installation kit. Easily fits windows from 23 to 34" W and as low as 14.5" H. Side accordion panels are easy to adjust For Bedrooms & Small Living Spaces: Our window unit ACs offer consistent, quick and effective cooling for rooms up to 150 square feet. Perfect for bedrooms, offices, playrooms, cabins, and apartments