"A powerful spec sheet promises more cooling than its single-hose design can deliver."
The 16,000 BTU rating is a theoretical maximum for heat removal. In reality, this unit's single-hose design will struggle to cool more than 450-500 sq. ft., not the claimed 850 sq. ft., especially in humid or very hot climates.
This is for renters in mid-sized apartments (under 500 sq. ft.) who are prohibited from using window units and prioritize a low upfront price for app-controlled cooling. It's a calculation where portability and a high number on the box outweigh thermodynamic efficiency.
Anyone attempting to cool a genuine 850 sq. ft. space should skip this; the physics are against it. Homeowners who can install a far more efficient window AC or mini-split should absolutely do so. Buyers prioritizing quiet operation will be disappointed.