CoolBot Controller


  • Check out the reviews!
  • Allows a standard window air conditioner to cool a room to 34 F!
  • Build your own walk-in cooler – trusted by farmers, florists, hunters, brewers, restaurants, convenience stores, mortuaries, and more
  • Installs in minutes – no tools or electrical knowledge required
  • Guaranteed or your money back – join over 90,000 satisfied customers
  • Recommended by major university extension programs
  • Dimensions: 6.5 × 3.5 × 1.5 in
  • Made in the USA and ships free to the USA & Canada
  • We ship globally – International shipping calculated at checkout
  • Buy two and get $50 off!  Use code pls1 at checkout
  • See how our products compare
SKU: K6-OXNB-ULUU Category:


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Additional information

Dimensions6.5 × 3.5 × 1.5 in


  1. TTT Services, Inc.

    This is an amazing piece of equipment it turns a window unit air conditioner into a walk-in cooler compressor, fan, and controls without the expensive equipment of a conventional system. GREAT JOB!!!

  2. Brad Bruce

    Take a window unit, a shipping container, a spray foam insulation kit and a CoolBot, and you can replace an overpriced & oversized refrigerated walk-in cooler! So easy!!

  3. Quinton Crawford (verified owner)

    I use an old milk truck for a walk-in cooler.The size is 10’x7’x6′.The CoolBot works fantastic. They are very easy to install and program.I have used the CoolBot in temperatures from 80* to 25*,it has maintained a constant temperature of 36* without any problems.I use the cooler for deer ,hogs and beef that we kill on our farm.The CoolBot saves me money by not having to find an HVAC person to service the cooler.I highly recommend the CoolBot for any home cooling needs.

  4. aishimaru (verified owner)

    Love It

  5. Ken Seymore

    This is a great product. Finally got my cooler built and it dropped the temperature to 40° in ten minutes. Highly recommend

  6. Bruce Brown

    This company is topnotch in every way. The product does what they say it will do and is easy to use. Just hook it up to a A/C unit plug it in and that’s it!

  7. Laura (verified owner)

    This product has transformed production at our small organic farm. We love, love, love it and cannot recommend it highly enough. We tell folks and other farmers about it all of the time, and a local pub even wants to install one for a beer cooler now.

  8. Mark Burdette (verified owner)

    Great product. Working perfectly so far. Would recommend to anyone needing a deer cooler

  9. Mark Welch

    Will the cool bot hook up to an LG 8016 window air conditioner allright

  10. Shoukat Hussain

    Will this work with any split system with seconds sensor

  11. Daniel Young

    Will the cool bot work on a mini split ductless unit?

  12. Daniel Young

    Thank you for your fast response and great customer service!!!!

  13. Kenneth Collings

    Do you have any examples of the coolbot in a shipping container?

  14. Bandy Wirt

    can you please send me a list of the window ac manufacturers that will work with the coolbot. I have a cool room for my daughters show cattle and would like to make it a little cooler.

  15. Tom Hopfenspirger

    Would you be kind enough to forward a preferred list of AC units that are compatible with CoolBot? Looking to maintain cooling integrity while pelletizing hops. Thanks!

  16. Brad Grandorff

    Just got the units and can’t be happier. The customer service part for me was/is the most important and they went out of their way to take care of me in the purchase. Our install is in central america where parts and shipping are hard to come by and the company sent an extra few sensors just in case we had any issues.
    Can’t wait to see them in action.

    • (verified owner)

      Thank you so much for your note Brad!

      Please send us some photos of the project when up and running and let us know how the CoolBots are performing. We are honored and excited to be part of it all and please accept the gratitude of our entire team.

      With much appreciation,

      John Bergher
      Vice President Sales & Marketing

  17. Bill Trussell (verified owner)

    Customer service is second to none. Had a problem with my unit when I first went to install it, gave customer service a call and Dan Shoemaker walked me thru a few scenarios and found out my unit was DOA. Sent me a new one out next day air(Sat) I installed it and had a deer hanging in the cooler(shed) by Tuesday. I am amazed how great the unit works, why didn’t I hear about this 20 years ago
    Bill Trussell

    • Dan Schumacher (verified owner)

      Hi Bill,
      Thank you so much for the compliment. Glad to hear you got a deer in there right away.
      Always happy to help,

  18. David Thieme

    I have been using a CoolBot in my brewery for over 3 years! Using a CoolBot, I am able to keep my “Beer Cave” (fermentation room) that is 13’x13’x8′ at a constant 55F! These things think work so well and have saved me a fortune with no compromise. I am in the process of buying another one for a mobile beer cart.

    • (verified owner)

      Thank you so much for the feedback David. We very much appreciate your endorsement and review of the CoolBot will be checking in on your next project.


      John Bergher
      Vice President Sales & Marketing

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