September 15, 2026 3 min read
This distinction matters. Iced coffee is hot-brewed coffee poured over ice — fast, convenient, and often unpleasantly bitter and diluted. Cold brew is coffee brewed in cold water over an extended period (typically 12–24 hours) — a fundamentally different extraction process that produces a coffee that is smoother, sweeter, less acidic, and more concentrated than anything you can achieve with hot brewing.
Cold brew is not just a seasonal trend. For a significant portion of coffee lovers, it's simply the best way to drink coffee — and once you've made it at home, you'll never pay $6 for a coffee shop version again.
Temperature is the key variable. Hot water extracts quickly and aggressively, pulling out both the desirable flavor compounds and the bitter, acidic compounds that can make coffee harsh. Cold water extracts slowly and selectively — it pulls out sweetness, body, and complex flavor while leaving behind much of the acidity and bitterness.
The result: cold brew is typically 60–70% less acidic than hot-brewed coffee, with a natural sweetness that often needs no sugar. It's also more concentrated — most cold brew is made as a concentrate and diluted before drinking, which means a smaller batch goes further than you'd expect.
You don't need specialized equipment to make excellent cold brew at home:
For a concentrate (recommended):
The longer you steep, the stronger and more complex the concentrate. 16–18 hours in the refrigerator is a reliable sweet spot for most coffees.
Use a coarse grind — similar to what you'd use for a French press. Finer grinds over-extract in cold water, even over 24 hours, and can produce bitterness and a muddy texture that's difficult to filter. A coarse grind extracts cleanly and filters easily.
Cold brew amplifies certain flavor characteristics — sweetness, chocolate, caramel, and fruit notes shine in cold extraction, while very delicate floral or tea-like notes can get lost. Our best cold brew recommendations:
Cold brew concentrate keeps well in the refrigerator for up to two weeks without significant quality loss. Make a large batch on Sunday and you have great coffee all week with zero morning effort.
Ready to start brewing? Find your perfect cold brew coffee in our full collection.
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