Big Ass Fans Cool-Space® 400 – 36-Inch Evaporative Cooler

Beat the heat in large indoor or outdoor areas with the Cool-Space® 400 by Big Ass Fans. Engineered for high-performance cooling, this heavy-duty portable unit delivers up to 10,000 CFM of airflow and can drop temperatures by as much as 33°F. Ideal for factories, warehouses, garages, event spaces, and more, the Cool-Space 400 cools up to 3,600 sq. ft. without the need for permanent installation or complex setup.

With a powerful 36-inch fan, rugged roto-molded housing, and a large onboard water tank, this unit delivers all-day comfort without needing a hose connection. The optional connected controller unlocks even more control via app, status display, and smart cooling modes.

Key Features

• Cools up to 3,600 sq. ft. – perfect for large industrial or commercial spaces
• Drops air temperature by up to 33°F
• Delivers up to 10,000 CFM airflow
• 36-inch fan diameter for wide coverage
• 46-gallon onboard water reservoir – runs up to 10 hours without a hose
• Variable speed control dial for precise comfort
• Optional connected controller with Kick Ass Mode and mobile app access
• Durable, UV-resistant roto-molded housing with 4 casters (2 locking)
• Low-water shutoff and easy-drain system for long-lasting performance
• Whisper-quiet at only 61 dBA

What’s Included

• Cool-Space 400 Evaporative Cooler Unit (Model E-400-3601)
• 10 ft. power cord
• Built-in variable speed dial and pump on/off switch
• Water level float valve and shutoff system
• Drain plug and flush valve
• Integrated cord wrap

Perfect for

• Warehouses & manufacturing floors
• Gyms, garages & auto shops
• Large patios, barns & event venues
• Any well-ventilated outdoor space