"A disposable unit priced for its probable performance, not its optimistic spec sheet."
The '14,000 BTU' figure is a theoretical maximum; in practice, the unit must work to exhaust its own waste heat, meaning it will cool a medium room (~450 sq.ft.), not a large one.
This unit is for someone needing cheap, temporary cooling for a single season in a smaller room than advertised. The low purchase price is the primary, and perhaps only, compelling feature. Consider it a disposable appliance for a heatwave emergency.
Anyone expecting to cool a 700 sq. ft. space, live in a very humid climate, or who is sensitive to noise should pass. Buyers who value reliability, customer support, and a multi-year lifespan should invest in a unit from an established brand.