When you need to cool down individual or small work areas, use the Cool-Space CSW-12HV The Wave portable evaporative cooler. For powerful cooling, it includes a 2-speed direct drive motor. The CSW-12HV uses very little electricity to provide great temperature drops even in humid climates. Durable HousingNoise and vibration are decreased and durability is increased by the thick rotomoid housing included on the CSW-12HV. No Installation RequiredThe Cool-Space CSW-12HV portable evaporative cooler does not require installation. It only requires a water source and a 115 volt power outlet. Constructed for SafetyThis portable evaporative cooler includes a water-tight electrical enclosure, stainless steel brackets and a special safety screen over the fan as components of its safe design. Environmentally FriendlyThe CSW-12HV portable evaporative cooler does not use hazardous Freon, making it a great cooling choice for those who are environmentally friendly.