The Honeywell 9,000 BTU portable air conditioner is ideal for smaller apartments or cooling your bedroom or home office. It can cover up to 400 square feet and has a built-in dehumidifier.

Whynter’s conditioner, the ARC-14S, has three operational modes — air conditioning unit, dehumidifier and fan — and a 24-hour timer. It’s also the only dual-hose model on this list.

Rated 4.2 stars out of 153 reviews, this air conditioner is portable and can cool rooms of up to 450 square feet. It has sleep mode, auto shut-off, a remote control, and a solid 192 cubic feet per ...