Which Keurig Has The Largest Water Reservoir?

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When looking for a Keurig coffee machine that brews multiple cups without having to refill the machine's water constantly — say, for an office or shared community space — you want to look for one with a large water reservoir. Keurig makes multiple sizes of coffee makers to brew its signature K-cup technology, from single-serve coffee makers perfect for home to those meant to serve larger crowds. But when it comes to which model has the greatest water-holding capacity, Keurig K-2550 Medium-Business Coffee Maker takes the cake with its 110-ounce water reservoir. 

Measuring in at 13 inches tall and 12 inches wide, this Keurig model will take up some counter space. Coffee can be brewed in five possible cup sizes ranging from 4 to 12-ounces. Though even the brand's single-use coffee machines usually have a water reservoir around 42-ounces to 78-ounces, the Keurig K-2550 is certified commercial grade and is specifically designed to brew multiple servings without having to add more water. 

Keurig's website states that the machine is "ideal for medium to large size businesses." With its large water reservoir, the coffee maker is perfect for businesses or groups of individuals who want to avoid refilling the water reservoir when brewing multiple single-serve cups. For more efficiency in a business setting, without the need to refill the water reservoir manually, the coffee machine can even be plumbed to a water line. 

Keurig coffee makers are designed for single serve cups, but that doesn't mean they can't make plenty of servings — even at home. While the 110-ounce reservoir is probably too much, there are some at-home options that feature large water reservoirs. However, just like it's not advisable to leave water in your Nespresso canister due to concerns with bacteria and undesirable tastes accumulating over time, you'll want to choose the right sized Keurig machine and change the water after use to ensure the freshest water and best taste for your cup of joe.

When choosing the right Keurig for you, overall it's best to think about how many single-serve cups will be brewed on an average morning at your home or business. Take for instance the Keurig Supreme Plus coffee maker with its 78-ounce water reservoir, perfect for serving up multiple cups for weekend brunch. One of the key differences between the Keurig Supreme and Keurig Supreme Plus coffee machines is the larger water reservoir (78-ounces compared to 66-ounces) . While that may not seem like a huge difference, it can equate to up to an extra cup or two of the best Keurig K-cup coffees without having to remove and refill the water reservoir. That can be a welcome convenience when brewing coffee for a crowd or hungry family.