We bought this unit to help cool the second floor of our home after our central air conditioning died.  It performed well, although it took some fans to propel the air to desired locations.  I got this LG because we had other LG appliances and I was hoping it could also be controlled or monitored from my phone; however, since we don't have 2.4GHz WiFi in our house, I was unable to configure it successfully that way.  The energy saver setting allowed a surprising amount of leeway from the set temperature, and the setting to simply keep the air dry didn't seem to help at all, so we stopped trying to use that.  Installation was not overly complicated, although we did have to source some wood plinths to help secure the unit.  We just removed the unit from the window for the winter, and that was a pretty easy job.  Overall, it was a decent purchase.