Walk-In Cooler Controller for window air conditionerProduct ReviewP Click on the link for more reviewsPAllows a standard window-air conditioner to cool a room to 35 degrees FPMake your own Walk-In Cooler for Farmers, Florists, Hunters, Restaurants, Convenience Stores, Home Brewers and MortuariesPTwo-minute installation! No warranty-voiding modifications to your Air ConditionerPGuaranteed to work (Extended free trial period)PThousands sold since 2006! Recommended by major university extension programs.