KuulAire effectively lowers the temperature in rooms up to 175 square feet by up to 25 degrees! Cool indoor air while using 95% less electricity than portable air conditioners! It's perfect for offices & rooms up to 175 square feet and it costs just pennies a day to operate! Plus, it requires no venting and can be moved from room to room. Features high efficiency rigid evaporative cooling technology, 3 speed fan, 8 hour programmable timer, 4 gallon water (or ice water reservoir) for enhanced cooling, swing louvers to direct airflow, casters for easy portability and a 13.7" x 10.6" x 26"H design. Model may vary from photo. This is a customer return. Customer returned items have a 7 day return policy.