the Frigidaire 25,000 BTU Heavy Duty Window Air Conditioner is a must-have. When they said heavy duty, they weren't lying: This 25,000 BTU puppy can apparently cool a room up to 1,600 feet ...

This air conditioner measures 17.93 x 25.93 x 29 ... If you search online, there are a few 25,000+ BTU window AC units, but they're expensive and hard to find in stock. For very large spaces ...