Cool-Space 400

Cool-Space 400 is rated 3.8 out of 5 by 25.
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  • Perfect for production facilities, outdoor dining, and gyms up to 3,600 ft2 (330 m2)
  • 36-inch (91-cm) fan diameter
  • 8-inch (20-cm) media
  • 46-gallon water reservoir
  • 5-year warranty
  • Variable-speed motor (61 dBA)
Availability: Ships within 20 business days

Heat can cripple your facility’s production and put your people at risk. For a rapid, effective response, rely on Cool-Space evaporative coolers. Combining powerful, quiet direct-drive fan technology with a water supply and saturated cooling medium, Cool-Space delivers instant airflow that lowers the air temperature of your space by up to 33 °F (18 °C), creating comfortable conditions that keep your people safe and productive.

  • Quiet, efficient variable-speed motors
  • Thick, resin-treated cooling media
  • Uses standard 110 V power supply
  • Internal water reservoir supplied by standard garden hose
  • Suitable for indoor and outdoor spaces
  • Industry-leading 5-year warranties


Cool-Space coolers are designed with the industry’s most effective and longest-lasting cooling media. Thicker than competing products’, Cool-Space's media evaporates more heat from your space for a greater cooling effect. The media has been chemically treated and coated in a thermosetting resin to resist the growth of algae and mold, hold up to frequent cleanings, and prevent dirt and other particles from penetrating into the substrate.


A standard garden hose is all that’s required for each Cool-Space cooler’s water supply. For facility managers who need maximum portability for immediate spot-cooling, Cool-Space coolers feature large internal reservoirs that can run for hours without being connected to a water source.


Cool-Space 500 features a control panel with backlit LCD display, premium remote, and occupancy sensor for hands-free operation. The model’s Auto-Dry feature maintains the unit after each use, extending the life of the cooling media and keeping your cooler in peak condition.


Cool-Space coolers feature virtually silent direct-drive motors and variable-speed controls that allow you to deliver precise cooling throughout your facility for a fraction of the cost of traditional A/C. With a range of sizes and horsepowers, Cool-Space motors offer the perfect combination of power and efficiency to keep your space comfortable, whether you work in a two-car garage or a massive warehouse.

Rated 5 out of 5 by from Best Invention of Earth! Even Thomas Edison would be "shocked" at the electrifying results of this amazing weather creator. When paired with the incredible fans we purchased from you previously, this powerful blizzard like air mover actually reduced the air temperature in our facility. It creates tornado like conditions with hot air being pushed down, cold air mixing, and BAM...tornado! Highly recommended for anyone that is looking for a chill in the air.
Date published: 2021-02-10
Rated 4 out of 5 by from Definitely Cool We bought two of these several weeks ago. We heard that they blew cold air. We were skeptical, but once installed... sure enough... they blow distinctly cooler (if operating with water) Variable speed control is a nice feature. It's easy to set up and operate. The employees really like them. I deducted one star due to the size. They require a fairly large area and they drink a good bit of water. Having stated that, once hooked up and operating - they live up to the billing. Of our 2, one is hooked up directly to a faucet. The other is hooked up to a pump & reservoir.
Date published: 2021-06-25
Rated 1 out of 5 by from Very nosy and not well designed and constructed Although my purchasing experience was great the product leaves considerable to be desired. Owning three Haiku fans I was expecting a product of equal quality. First, the Cool Front 200 is the nosiest fan/cooler I have ever owned. For a company that builds the quietest fans on the market, the Cool Front 200 is a thrashing machine. Second, the restraints that hold the pad grates in place are totally inadequate and frequently the grates pop out. Third, the location of the drain plug is not indicated on the side of the unit so that you can find it when the reservoir is full of water.
Date published: 2021-08-29
Rated 5 out of 5 by from This WORKs Great! Looks like your engineers were spot on. Two Units can do our job beautifully. We are finally getting some warm weather and had a chance to test them out. They work even better than expected. I was leery of using one in an office environment with people on the phone and working with customers. No problem though. Is it loud? Sort of, I can hear it but, I can use the phone, speak in a normal tone and hear just fine. The big thing is it’s cool. You said it can drop the incoming air temperature 20 degrees, yes it can, we measured the temperature and it went to 22 degrees about 6 feet in front of the outflow. The 300 is more than adequate for our 1100 square foot office and the 500 should handle our 1800 square foot bindery just fine. We did measure a 12% rise in humidity from 24% to 36%. That’s great! We are a print shop and static is an ongoing problem. 40% to 50% is ideal for us but, 36% keeps the static problem in check quite well. Our Big Ass Fans do the job for us and we expect to finally have a comfortable summer.
Date published: 2021-06-17
Rated 2 out of 5 by from Not what we expect from BigAss Casters do not go all the way in, so makes it wobbly. Instructions are very bad. To clean you should take out filters, but they are made of paper and they crumble. Impossible to get them out.
Date published: 2020-07-30
Rated 5 out of 5 by from Finishing Touch to Employee Comfort The two Cold Front 400 units we tested were the perfect addition to our assembly operations area in combination with Powerfoil X ceiling fans and a building exhaust fan to keep the area fed with fresh air cooled by the CF 400's. The workforce liked the effect enough that we have ordered six additional Cold Front units for the other work areas.
Date published: 2021-07-01
Rated 5 out of 5 by from Awesome Product Have always been a "fan" of the larger Big A** Fans, didn't know they were selling the swamp coolers until recently. We had a hot spell recently and we were able to buy and receive the 500 Cold Front for our shop in a matter of days. Awesome sales group who recommended the perfect size for what our team needed.
Date published: 2021-04-13
Rated 4 out of 5 by from Definitely Cool We heard that this blew much cooler air than the average fan and it lived up to the hype. The variable speed control is a nice feature. Assembly and hook up is simple. The unit is easy to use. Be advise, there is some preventative maintenance involved. We have 2 units. One is hooked directly to faucet water. The other is hooked up to a pump and potable water reservoir.
Date published: 2021-06-28
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More Information
Display Name Cool-Space 400
SKU F-EV1-3601
Lead Time Ships within 20 business days
Technical Specifications Cool-Space 400
Warranty Need setup help? Technical Support