The Friedrich BR1224W3A large system is designed for spaces that are from 550 to 1500 square feet. This system will automatically adjust to your needs. The entire system comes with everything you need in just one box: the indoor unit with the 25' quick-connect line, the outdoor unit, outdoor unit mounting pad, hardware, and LCD remote control. It installs high on the wall so you can have your window back. Attractive wall mount unit is compact and lightweight. Mounts high on the wall, up and out of the way.The box has even been specially designed to fit through narrow doorways. Best of all, the installation is a snap. Breeze. It's that easy.