Using an endothermic reaction to cool the air in your home, this SPT SF-608R evaporative air cooler makes it easy to maintain a comfortable indoor temperature. Three speeds enable airflow customization, and oscillating louvers ensure optimal circulation.Note: This unit is not an air conditioner and does not have a compressor or condenser inside. Evaporative coolers are designed for spot cooling and will not lower a room's ambient temperature. This unit is best used in dry climates or open spaces. Keep a window or door open to limit the rise of humidity and for better ventilation. Add ice to the tank and set the unit near you for optimal results.