A beverage cooler is a good solution for people who either want to save space in their refrigerator or need a way to keep cold drinks in a room other than the kitchen. Since the temperature on some beverage coolers can be adjusted to meet this guideline, they technically become a viable storage option. However, if a beverage cooler's temperature cannot be adjusted to 40 degrees or below, then it should not be used for perishable food. Additionally, a beverage cooler is not designed to replace a full-size refrigerator, as many coolers lack proper storage space and humidity controls. So, you should not use a beverage cooler to store perishable food over the long term.