The best portable AC for people who can't install a window unit. Dual-hose design makes it dramatically more efficient than single-hose competitors.
Portable ACs are generally inefficient, but the Midea Duo is the least-bad option by a wide margin. If a window unit isn't possible, this is your pick.
“The Midea Duo MAP14HS1TBL is quieter, more powerful, and more efficient than any other portable AC we've tested.”