"An exceptionally cheap spot cooler disguised as a room air conditioner."
The '8,000 BTU for 350 sq. ft.' claim is marketing optimism. In your home, this unit has the power to act as a personal spot cooler for a desk or bedside, but it will struggle to meaningfully reduce the temperature of an entire medium-sized room.
This unit is for someone on an absolute minimum budget needing immediate cooling for a very small, enclosed space like a dorm room or cubicle. It functions as a last resort when the choice is between this and nothing.
Anyone needing to cool a room larger than 200 sq ft, light sleepers, or those with even a moderate sensitivity to noise should avoid this. If your electricity bill is a concern, the inherent inefficiency of a single-hose budget unit will be costly over a season.