Cold brew fans know the process for making this type of coffee is completely different from hot coffee, and can be time-consuming to do at home. But the Cumulus cold brew coffee machine is designed to make only single-cup cold brew, nitro, and cold espresso in a process as easy as using a Keurig -- and it's the only way to make nitro cold brew at home.
The machine usually comes at a high price point of $695. But ahead of Mother's Day, it's 20% off with code MOTHERSDAY20, dropping the price to $556 and making it a great time to buy if you're in the market for a high-end at-home cold brew machine.
Also: 5 kitchen tech splurges are totally worth it
I tried out the Cumulus cold brew machine at home, and was impressed by the design -- it's tall, but has a slim, stylish profile, and is extremely simple to use. You pop a proprietary pod filled with coffee concentrate into the cylinder at the top, and select from three options: still cold brew, nitro cold brew, or cold espresso. When you first add water to the machine, it takes about 15 minutes to cool it down. After that cooling period, it brews in about a minute, so if you fill it up before you go to bed at night, it'll be ready for you to instantly brew when you're ready for coffee.
Also: This fancy automatic espresso machine made me drop my Dunkin' habit
The nitro coffee option was the biggest standout: The machine infuses nitrogen gas into the cold brew coffee, which gives it a thick, smooth texture and foamy head -- pretty much impossible to achieve at home any other way, and better than store-bought cans.
The biggest downsides are the price, and needing to buy pods directly from Cumulus. I found the coffee to be extremely strong as well, so this won't be replacing my De'Longhi Rivelia for everyday use (though they are very different machines with different purposes). But if you're someone who frequently purchases a strong cold brew from a coffee shop, this could help cut down your costs over time.
If you're in the market for a cold brew coffee machine, consider this deal for 20% off the Cumulus.
Also: This automatic espresso machine is like having my own barista, and it's not by De'Longhi or Breville
At 20% off, this deal gets a 3/5 editor's rating -- for an expensive machine that rarely goes on sale, it's a solid offer.
This deal expires on May 1, 2026.
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