There are a number of reasons why you might need to have different parts of your warehouse kept at different temperatures. For instance, if you work in the food industry, you might need to have refrigerated foods held at a different temperature than dry product or packaged goods. If you default method is to simply keep the temperature at the lowest temperature point it needs to be to keep your products safe, you’re wasting a great deal of energy and money cooling the areas that don’t necessarily need to be cooled. Likewise, if you use a curtain to separate the outdoor elements from inside your building, you can easily control the temperature difference between the two environments and avoid having to alter your climate control more frequently.