Protected the mounting plate to the inside wall. Maintain the mounting plate in opposition to the wall exactly where you want to set up the indoor device. Ductless - Ductless units are wall-mounted, and perfect for properties which do not need ductwork. Every single area will require a different device. https://israelrusqm.madmouseblog.com/10033905/how-air-conditioner-installation-can-save-you-time-stress-and-money