I bought this unit to replace an older model (different brand) and was very disappointed in the installation process and the instructions. Almost every other window unit that I have installed (a lot of them), would separate the outer case from the cooling unit (the heavy part). Not this one!
The instructions for installation were written so vaguely and with such small, non-detailed pictures .. that it caused a lot of head scratching and logical deductions to get it installed.
The unit cools very nicely and contrary to other reviews, its quiet (thru the first night, anyway).