I think this machine does an excellent job of cooling our master bedroom. Our bedroom is the farthest away from the central A/C unit. So it is the hottest of all the rooms. It can be a bit on the noisy side, but I love me some good base noise/white noise to help me fall asleep. My partner on the other hand took a few days to get used to it. The first night he woke up several times whenever the compressor would kick on. I on the other hand was passed out like a rock