Window air conditioner: ... The 5,000-BTU unit can effectively cool tents up to 150 square feet, and there are other versions for larger tents up to 12,00 BTU. Shop Now.

Plus, a too-big AC unit is louder and burns more electricity than a properly sized unit. Window-mounted AC units come in various sizes and cooling capacities, ranging from about 5,000 to 25,000 ...

This Frigidaire window air conditioner features three fan speeds, a 24-hour timer and Sleep Mode that makes the room more comfortable for sleeping while saving energy. This 12,000-BTU unit ...