13,500 BTU 3 in 1 Carry-on 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 meaning it also has a dehumidifying and fan role. Fully featured the ARP-1314 has a digital display, a fully adjustable thermostat, sleep mode, 24 hour timer, and mutable speed fan controls. Window kit and remote control included. Use the easy gliding caster wheels to move this AC area to room. Removable and washable air filter ensures high air quality.