Cool-Space portable evaporative coolers have technology that combines water and forced air to reduce temperatures by as much as 33° F. Additionally, these units are portable and durable. No installation required – all you need is a water source and a 115 volt outlet. Unlike many commercial air cooling systems, Cool-Space doesn’t require hazardous freon. With Cool-Space, you can efficiently turn a sultry warehouse, football field, baseball field or outdoor & indoor event into a comfortable oasis.