Yes, you can build an affordable walk-in cooler with the revolutionary CoolBot. Using a CoolBot and a window or mini split air conditioner, you have all the cooling power you would need to construct your own cold storage room. Compared to conventional systems, the CoolBot-driven cooler will save you up to 83% in upfront costs, eliminate expensive repair technicians, and reduce your electric bills up to 42% With the list of items on the CoolBot Project List; all available right here at The Home Depot, you can build your own walk in cooler or trailer. Since 2006, the CoolBot has been helping folks construct affordable cold storage units for: fruits vegetables, home-brewing/ tap rooms, wine cellars, cheese caves, floral coolers, and wild game/ meat processing. A CoolBot powered system stores and protects your items at the temperature you set from 34 - 59F. The CoolBot works with air conditioners from 6,000 to 24,500 BTU and mini splits from 9,000 to 36,000 BTU. Whether it is short term or permanent cold storage, The Home Depot has all you need to build the ultimate, Refrigerate It Yourself project. Join 90,000 satisfied CoolBot customers and build your own walk in cooler today. You can chill it, we can help. Specifications: Digital display allows for precise temperature adjustments Works with a window air conditioner or mini split air conditioner (sold separately) and an insulated room or enclosure to create a walk-in cooler Installs in minutes; no tools or electrical knowledge required Remembers your temperature setting even after a power failure