DESC: Friedrich WallMaster WS15C30 15,000 BTU Through the Wall Air Conditioner Cooling Only, Environmentally Friendly R-410A Refrigerant, Programmable 24-Hour Timer With Remote, Solid Side Chassis, MoneySaver Setting Saves Energy Precise Programmable Controls 72 degrees? 77 degrees? 68 degrees? Set our state-of-the-art programmable controls on exactly the room temperature you want. And, our air conditioners will keep it there. Programmable controls feature either a 12-hour or a 24-hour timer. Built Tough The WallMaster series is built to be extra durable. Made with heavy gauge steel, it will stand the test of time. Solid sleeve top keeps out falling debris which can obstruct the fan and prevent it from turning. And, Friedrich room air conditioners feature aluminum end plates which won't rust like our competitors. Larger, commercial grade fan motor runs at lower temperatures than smaller motors which protects against overheating and contributes to a longer life span for the product.