If youre dreading those sunnier days, we cant recommend the Challenge air conditioning unit enough. It recycles warm air into cool air, to keep your room at the perfect temperature and its self-evaporative system draws moisture out of the room. You can get on with your day without feeling hot and bothered. Its easy to move from room-to-room with its omni-directional castors and can be easily controlled with its LED display, timer function and remote. Features auto-restart function, self-diagnosis and auto-protection. Output 5000BTU. Energy efficiency class A. Suitable for room size up to 7~10m. Size H61.5, W32.9, D31.8cm. Requires external ventilation. Includes 150cm hose. Castors for easy movement. 2 speed settings. 1 -hour timer. Remote control requires 2 x AAA batteries (included) .