This AC unit is awesome, does a great job cooling our approximately 1000 sq ft first floor. WiFi feature is nice, allowing me to control it from my phone. There is a slight "whining" noise that is only on when it's cooling, when it's on "fan" it's not there. For whatever it's worth. It is pretty quiet though, just the high-pitched whine is a bit annoying. Another perk is that it is about as attractive as a window unit can be. It's at least not a huge eyesore! Definitely would recommend.