Purchased this unit to replace an old GE model that finally died.  It is in my shore property subject to the sea air. It is cooling approx. 500 sq ft apartment and is holding its own.  It is quiet, easy to control, with the right features.  I expect this unit to work for the next 10 years, seasonal, properly maintained.  I Ave faith in the LG product line.  Time will tell if I am right.