I would check again, prices drop quickly on stuff like that. I just saw a 12,000btu for 400bucks

SNO 12000 BTU Portable Air Conditioner - Silver ARC-12D
JackdaWack Reviewed by JackdaWack on . Window A/C Questions Do window air conditioners need to be exhausted out of the room? Or can i just set it in the room. I feel like it needs to be exhausted, doesnt the exhaust side get hot? thus defeating the purpose. Thanks ahead of time! Rating: 5