Craft brewing is part fine cooking and part chemistry. Creating the perfect beer requires yeast to act in certain temperature
controlled environments, It also requires the fiinished product to be stored and transported at specific temperatures. Below is a story of how one craft brewer and Schneider Electric collaborated to ensure their beers meet their customers expectations.
http://www.facilitiesnet.com/energyefficiency/tip/Allagash-Brewing-Uses-Advanced-Temperature-Controllers-To-Keep-Beer-Cold--36325