"A commodity portable AC that trades efficiency and quiet for a low entry price."
The 10,000 BTU is an industry-standard lab measurement (ASHRAE) that overstates real-world performance. A more realistic capacity for this unit is likely 6,000-6,500 SACC BTU, suitable for a medium bedroom (~250 sq. ft.), not a 450 sq. ft. living area.
This is for someone on a strict budget needing temporary cooling in a small room who accepts the trade-offs of high noise and high electricity costs. It's a workable option for renters in buildings where window units are prohibited.
Anyone sensitive to noise, concerned about electricity bills, or trying to cool a primary living space should pass. A window AC offers far better efficiency and cooling for the price, if installation is possible.