Hisense 5,000 BTU 150 sq. ft. Portable AC (DOE)Stay cool and comfortable with the Hisense 5,000 BTU (DOE) Portable Air Conditioner, designed to efficiently cool rooms up to 150 square feet. Whether you’re tackling a small bedroom, office, or dorm, this compact and easy-to-move unit delivers powerful cooling performance where you need it most.