"A budget-priced portable AC with realistic power for a 500 sq. ft. room, not 700."
The '14,000 BTU' is a lab rating; the real-world 10,000 SACC BTU capacity will effectively cool a room up to about 500 sq. ft., not the 700 sq. ft. claimed in marketing materials.
This unit is for renters or homeowners on a strict budget who need to cool a single, contained room and cannot install a window AC. If low upfront cost is your primary decision driver, this unit offers significant cooling power for the price.
Anyone sensitive to noise or trying to cool a large, sunny, or poorly insulated space should pass. A dual-hose portable or a standard window AC will provide more effective and efficient cooling without the negative pressure drawback.