This portable air conditioner by Danby is perfect for cooling rooms up to 550 square feet. Its four casters make this unit easy to move from room-to-room, and the single-hose design efficiently exhausts warm and humid air outside. The LED display makes adjusting settings effortlessly. The 24-hour programmable timer allows for better control of when the unit operates, which helps you save on your monthly hydro bill. To maximize your comfort at home, this unit is also equipped with a 4-in-1 design: air conditioner, fan, dehumidifier, and heater to ensure you and your guests feel comfortable no matter the weather outside. The R32 Refrigerant used in this model is environmentally friendly and its Global Warming Potential is 3x lower than R410a. SACC is short for seasonally adjusted cooling capacity.