Firehouse Subs was an early adopter of the touch-screen operated Coca-Cola Freestyle soda station. The new prototype features the latest version, the Freestyle 9100, which offers more than 175 sparkling and still beverage options with more than 90 zero- and low-calorie options. Choices include the top-selling exclusive Firehouse Subs recipes, Cherry Lime-Aid, Cherry Lime-Aid Light and Sparkling Cherry Lime-Aid, served with fresh squeezed lime.