Cold Brewed Coffees for the Discerning Palate Based out of Apple Valley, MN, Philtera brews coffees in small batches from a carefully curated selection of high-end specialty coffee roasters. Using proprietary cold brewing methods, our cold brews express the full coffee flavor spectrum unlike any other cold brews on the market. Available in kegs to be served on tap only, Philtera is on a mission to elevate the art of cold brewed coffees. Philtera Cold brewed coffees was founded in September of 2018 by Brandon Martin and Rob Bathe.