I built an 8-foot-by-8-foot shed a long time ago. All of the walls have been insulated, and a 14,000 BTU air conditioner has been installed as the primary conditioning device. Set the temperature to between 55 and 60 degrees Fahrenheit. If necessary, the AC can be set to a freezing temperature, according to Bright Agrotech. Wood, Foam board insulation, Foam spray insulation, Vertical air conditioner, Floor, Adhesive, Framing tape, Drilling, Screws, Electrical outlet are some of the components I've utilised. Even while my homemade cooler is still functional, I've upgraded to a commercial cooler as my business has grown.