The MRCOOL Olympus Duct 12,000 BTU is a hidden air handler for medium-sized rooms. It is part of our Slim Duct Multi-Zone collection. Because it is hidden, it is ideal for maintaining the aesthetic of your home. It can be paired with other units in a Multi-Zone setup. This unit provides quiet and efficient cooling and heating. It is an excellent choice for bedrooms or home offices where you want a minimalist look.