Cold Brew Coffee Makers
We tested 7 cold brewing products, as well as our DIY method, using our favorite medium-roast coffee.
What We Learned
Caffeine nerds have long touted the advantages of brewing coffee with cold water. The process, which calls for steeping ground coffee in cold water for several hours (or overnight), is largely hands-off; produces a smoother, less acidic brew than does conventional hot-water extraction; and yields a strong concentrate that can be stored in the refrigerator and diluted to taste with h...