THREEUP circulator with heat & cool function, equipped with a clothes drying mode, active all year round. - Brand: THREEUP - Model Name: Circulator - Function: Heat & Cool - Features: Clothes drying mode - Accessories: Main unit, box Thank you for viewing. After purchasing on Amazon, I opened it and used it for a total of about 5 hours. However, I bought an air conditioner, so I haven't used it since and have stored it in the box.