Energy Efficient R-32 Refrigerant: With an energy efficiency ratio (EER) of 10.6, this ac wall unit employs the most efficient refrigerant currently used in the industry Wall Mounted AC Unit: This 11,800 BTU ac wall unit is suited for a through the wall installation; It is not properly vented for a standard window installation; The wall air conditioner has dimensions of 24” W x 20.1” D x 14.4” H Confident Cooling: This air conditioner features 3 cooling speeds and 3 pre-programmed modes meant to cool rooms up to 530 square feet using a turbo fan Wall Unit Modes: Energy Saver mode keeps the fan running to circulate air but turns off the compressor when your desired room temperature is reached; Dry mode removes moisture from your space; Cool mode keeps you comfortable on warm days with cold air Accessories Included: A trim kit finishes the indoor installation, while a plastic mesh grille protects the outdoor; A washable, reusable filter, insulation foam, and a remote are also included