This unit works best in an area of up to 4,500 square feet. With its Energy Star rating and environmentally-friendly R410a refrigerant, this unit will cut your electricity bills and help the ozone layer. Between a low and high fan speed, you are able to control either speeds with its electronic digital panel. The de-icing feature will ensure that your coils will always be ice-free. There's a low-temperature feature which enables the dehumidifier to operate in temperatures as low as 41F (5C). It's convenient to relocate from room to room due to the handy built-in rolling castors. The automatic restart feature will turn the appliance back on after a power failure. When it comes time to clean the filter it can easily be removed, washed, and quickly re-inserted. This graceful dehumidifier also features a 24-month warranty on parts and labor with carry-in service.