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Big Ass Fans Cool-Space® 400 Portable Evaporative Cooler (E-400-3601) front right

Big Ass Fans Cool-Space® 400 Portable Evaporative Cooler (E-400-3601)

by Big Ass Fans
SKU E-400-3601
Availability:
in stock, ready to be shipped
Sale Sale
$4,551.00
$4,551.00 - $4,551.00
$4,551.00
$3,851.00
$3,851.00 - $3,851.00
$3,851.00

Plus FREE SHIPPING (You save $225 on Freight)

Item ships in 3-5 business days for delivery in 5-10 days.

Ideal For Warehouses, Factories & Repair/Workshops

Authorized Big Ass Fans Dealer

✔ Made in the USA

✔ No Sales Tax Outside Of Maryland

✔ Manufacturer's 5 Year Warranty

✔ Easy 30-Day Return Policy

✔ Ships from Lexington, KY

Questions? Give Us A Call @ 1+ (855) 807-5312

We're Available 9AM - 5PM Mon-Fri (EST)

Request a quote
OVERVIEW

Need a Smarter Way to Beat the Heat? The Cool-Space® 400 Portable Evaporative Cooler Keeps Workspaces Cooler, Safer, and More Efficient

Walk into a warehouse in the middle of summer and you feel it right away—the heat just sits there. It builds around equipment, hangs near dock doors, and makes even simple tasks feel harder than they should. That’s exactly where the COOL-SPACE® 400 evaporative cooler from Big Ass Fans comes in.

This is a serious evaporative cooler built for real working environments. With up to 10,000 CFM of airflow, it pushes a steady stream of cooled air across large areas—think shipping zones, production lines, or repair bays. Instead of trying (and failing) to cool an entire open building, it focuses on the spaces where people are actually working. And that’s what makes it effective.

You’ll notice the difference quickly. In the right conditions, this portable evaporative cooler can bring the perceived temperature down by 15 to 25 degrees. That’s not just comfort—it’s relief. Workers stay cooler, fatigue drops off, and the whole space becomes easier to work in.

And let’s be honest—traditional AC isn’t always practical in these settings. High ceilings, open doors, constant traffic… it all works against it. The COOL-SPACE® 400 takes a simpler approach. It uses water and airflow to cool the air, which means far less energy use and no complicated installation. You get consistent cooling without the overhead that usually comes with it.

There’s another benefit people tend to appreciate once they experience it: better air movement. This evaporative cooler pulls in fresh outside air, cools it, and pushes it through your space. That steady exchange helps clear out heat, odors, and stale air instead of just circulating it around. It’s subtle, but it changes how the whole environment feels.

And because it’s portable, you’re not stuck with a fixed setup. Roll it to the loading dock during peak hours, move it to the shop floor later—it goes where the heat is. Simple, flexible, and built to keep up with how your space actually operates.

SPECIFICATIONS
Blade Diameter 36 inch
Optimal Cooling Area Up to 3,600 sq ft
Airflow (CFM) 6,400 - 10,000 CFM
Noise Level 61 dBA
Operating Temperature 0°F to 104°F
Water Reservoir Size 46 gallons
Amperage 8.75 A
Electrical Requirements 120 VAC, single-phase (standard outlet)
Height 70 in
Width 62 in
Depth 31 in
Weight 220 lbs

FEATURES
  • High-Capacity Cooling for Large Work Areas
    Delivers up to 10,000 CFM of airflow with coverage for up to 3,600 sq. ft., making it ideal for warehouses, production zones, and other large, open environments.

  • Serious Temperature Reduction Where AC Struggles
    Designed to reduce temperatures by up to 33°F in the right conditions, helping turn hot, uncomfortable areas into more workable spaces.

  • Long Runtime with Flexible Water Options
    The 46-gallon tank supports up to 10 hours of operation, with the option to connect a hose for continuous, all-day cooling.

  • Portable Design for Targeted Cooling
    Built with swivel casters and locking wheels, so you can easily move the unit to hot spots and adjust as your workflow changes.

  • Simple Controls with Optional Smart Upgrades
    Comes with straightforward speed and pump controls, with the option to upgrade to connected features like remote access and app control.

  • Durable Build for Demanding Environments
    Features a rugged housing, high-efficiency motor, and low-water shutoff, designed to handle daily use in tough industrial settings.
PRODUCT SHEETS

Manual

OVERVIEW

Need a Smarter Way to Beat the Heat? The Cool-Space® 400 Portable Evaporative Cooler Keeps Workspaces Cooler, Safer, and More Efficient

Walk into a warehouse in the middle of summer and you feel it right away—the heat just sits there. It builds around equipment, hangs near dock doors, and makes even simple tasks feel harder than they should. That’s exactly where the COOL-SPACE® 400 evaporative cooler from Big Ass Fans comes in.

This is a serious evaporative cooler built for real working environments. With up to 10,000 CFM of airflow, it pushes a steady stream of cooled air across large areas—think shipping zones, production lines, or repair bays. Instead of trying (and failing) to cool an entire open building, it focuses on the spaces where people are actually working. And that’s what makes it effective.

You’ll notice the difference quickly. In the right conditions, this portable evaporative cooler can bring the perceived temperature down by 15 to 25 degrees. That’s not just comfort—it’s relief. Workers stay cooler, fatigue drops off, and the whole space becomes easier to work in.

And let’s be honest—traditional AC isn’t always practical in these settings. High ceilings, open doors, constant traffic… it all works against it. The COOL-SPACE® 400 takes a simpler approach. It uses water and airflow to cool the air, which means far less energy use and no complicated installation. You get consistent cooling without the overhead that usually comes with it.

There’s another benefit people tend to appreciate once they experience it: better air movement. This evaporative cooler pulls in fresh outside air, cools it, and pushes it through your space. That steady exchange helps clear out heat, odors, and stale air instead of just circulating it around. It’s subtle, but it changes how the whole environment feels.

And because it’s portable, you’re not stuck with a fixed setup. Roll it to the loading dock during peak hours, move it to the shop floor later—it goes where the heat is. Simple, flexible, and built to keep up with how your space actually operates.

SPECIFICATIONS
Blade Diameter 36 inch
Optimal Cooling Area Up to 3,600 sq ft
Airflow (CFM) 6,400 - 10,000 CFM
Noise Level 61 dBA
Operating Temperature 0°F to 104°F
Water Reservoir Size 46 gallons
Amperage 8.75 A
Electrical Requirements 120 VAC, single-phase (standard outlet)
Height 70 in
Width 62 in
Depth 31 in
Weight 220 lbs
FEATURES
  • High-Capacity Cooling for Large Work Areas
    Delivers up to 10,000 CFM of airflow with coverage for up to 3,600 sq. ft., making it ideal for warehouses, production zones, and other large, open environments.

  • Serious Temperature Reduction Where AC Struggles
    Designed to reduce temperatures by up to 33°F in the right conditions, helping turn hot, uncomfortable areas into more workable spaces.

  • Long Runtime with Flexible Water Options
    The 46-gallon tank supports up to 10 hours of operation, with the option to connect a hose for continuous, all-day cooling.

  • Portable Design for Targeted Cooling
    Built with swivel casters and locking wheels, so you can easily move the unit to hot spots and adjust as your workflow changes.

  • Simple Controls with Optional Smart Upgrades
    Comes with straightforward speed and pump controls, with the option to upgrade to connected features like remote access and app control.

  • Durable Build for Demanding Environments
    Features a rugged housing, high-efficiency motor, and low-water shutoff, designed to handle daily use in tough industrial settings.
PRODUCT SHEETS

Manual

Big Ass Fans Cool-Space 400 FAQ's

How quickly will my order ship and when will it arrive?

Most orders ship within 3–5 business days. Due to the size of this unit, delivery is typically made via freight and arrives within 5–10 business days depending on your location. You’ll receive tracking details as soon as your order ships.

What is your Returns Policy?

We offer a 30-day return policy on unused products in original packaging. Due to the size of this unit, return shipping may require freight coordination. If your unit arrives damaged or defective, we’ll take care of it at no cost to you.

What warranty is included with this product?

This product includes a manufacturer-backed warranty (5 years) covering defects in materials and workmanship. If you ever have an issue, our team will help coordinate support directly with the manufacturer.

Is this the right size/unit for my space?

The Cool-Space 400 is designed to cool areas up to ~3,600 sq. ft. It can reduce temperatures by up to ~33°F in optimal conditions.

If you're unsure, contact us — we’ll help you choose the right unit for your space.

What do I need to operate this cooler (setup requirements)?

This unit is plug-and-play and easy to use:

• Standard 120V power outlet required
• Built-in 46-gallon water tank (runs up to ~10 hours per fill)
• Optional garden hose connection for continuous use
• Works best in low to moderate humidity environments

Do you offer support after purchase?

Yes — our team provides pre- and post-purchase support, including:

• Product selection guidance
• Setup help
• Warranty assistance

We’re here to make sure you get the most out of your purchase.

OVERVIEW

Need a Smarter Way to Beat the Heat? The Cool-Space® 400 Portable Evaporative Cooler Keeps Workspaces Cooler, Safer, and More Efficient

Walk into a warehouse in the middle of summer and you feel it right away—the heat just sits there. It builds around equipment, hangs near dock doors, and makes even simple tasks feel harder than they should. That’s exactly where the COOL-SPACE® 400 evaporative cooler from Big Ass Fans comes in.

This is a serious evaporative cooler built for real working environments. With up to 10,000 CFM of airflow, it pushes a steady stream of cooled air across large areas—think shipping zones, production lines, or repair bays. Instead of trying (and failing) to cool an entire open building, it focuses on the spaces where people are actually working. And that’s what makes it effective.

You’ll notice the difference quickly. In the right conditions, this portable evaporative cooler can bring the perceived temperature down by 15 to 25 degrees. That’s not just comfort—it’s relief. Workers stay cooler, fatigue drops off, and the whole space becomes easier to work in.

And let’s be honest—traditional AC isn’t always practical in these settings. High ceilings, open doors, constant traffic… it all works against it. The COOL-SPACE® 400 takes a simpler approach. It uses water and airflow to cool the air, which means far less energy use and no complicated installation. You get consistent cooling without the overhead that usually comes with it.

There’s another benefit people tend to appreciate once they experience it: better air movement. This evaporative cooler pulls in fresh outside air, cools it, and pushes it through your space. That steady exchange helps clear out heat, odors, and stale air instead of just circulating it around. It’s subtle, but it changes how the whole environment feels.

And because it’s portable, you’re not stuck with a fixed setup. Roll it to the loading dock during peak hours, move it to the shop floor later—it goes where the heat is. Simple, flexible, and built to keep up with how your space actually operates.

SPECIFICATIONS
Blade Diameter 36 inch
Optimal Cooling Area Up to 3,600 sq ft
Airflow (CFM) 6,400 - 10,000 CFM
Noise Level 61 dBA
Operating Temperature 0°F to 104°F
Water Reservoir Size 46 gallons
Amperage 8.75 A
Electrical Requirements 120 VAC, single-phase (standard outlet)
Height 70 in
Width 62 in
Depth 31 in
Weight 220 lbs
FEATURES
  • High-Capacity Cooling for Large Work Areas
    Delivers up to 10,000 CFM of airflow with coverage for up to 3,600 sq. ft., making it ideal for warehouses, production zones, and other large, open environments.

  • Serious Temperature Reduction Where AC Struggles
    Designed to reduce temperatures by up to 33°F in the right conditions, helping turn hot, uncomfortable areas into more workable spaces.

  • Long Runtime with Flexible Water Options
    The 46-gallon tank supports up to 10 hours of operation, with the option to connect a hose for continuous, all-day cooling.

  • Portable Design for Targeted Cooling
    Built with swivel casters and locking wheels, so you can easily move the unit to hot spots and adjust as your workflow changes.

  • Simple Controls with Optional Smart Upgrades
    Comes with straightforward speed and pump controls, with the option to upgrade to connected features like remote access and app control.

  • Durable Build for Demanding Environments
    Features a rugged housing, high-efficiency motor, and low-water shutoff, designed to handle daily use in tough industrial settings.
PRODUCT SHEETS

Manual