13,500 BTU 3 in 1 Light Air Conditioner Royal Sovereign's ARP-1314 is a powerful 13,500 BTU portable air conditioner. This model is special because it's a 3 in 1 unit denotation it also has a dehumidifying and fan function. Fully featured the ARP-1314 has a digital display, a fully adjustable thermostat, sleep style, 24 hour timer, and variable speed fan controls. Window kit and remote control included. Use the easy gliding caster wheels to smite this AC room to room. Removable and washable air filter ensures high air quality.