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CostHelper > All Appliances > Coffee Makers > Keurig Mini Brewer B31

Keurig Mini Brewer B31 Prices, Specifications and Reviews

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  The Keurig B31 Mini Brewer is the compact version of the best-selling line of Keurig single-serve coffee makers. The Mini Brewer has some of the features of the larger, more expensive B60 Special Edition Brewer, including the ability to brew three cup sizes -- 6oz, 8oz and 10oz. Despite the smaller stature of the B31 Mini Brewer, it has a removable drip tray that allows for small travel mugs to fit, something not available on all single-serve pod coffee makers. While Keurig uses proprietary K-cups (pods of coffee), consumers are not limited to Keurig-only offerings. Reusable K-cups are available that can be filled with a consumer's favorite coffee blend instead of using the prepackaged variety.


(Prices as of 01/31/2013)
Keurig Mini Brewer B31 Source
$100Best Buy

Additional Costs:

$0.60-$0.80Individual pods
$26-$35K-cup carousel
$10-$15Reusable K-cup


DimensionsHeight: 10.8"
Width: 6.9"
Depth: 10.7"
Weight8.75 lbs.
ColorsRed, Black, Silver
Water Level IndicatorYes
Water Tank Capacity10 oz
Cup Brewing Capacity1 cup
Built In GrinderNo
Keep WarmNo
Water FilterNo
Auto Shut-OffYes
Multi-Pod CapabilityNo
Height-Adjusted Drip TrayYes
Other FeaturesSingle-use water reservoir
Removable drip tray
Can accommodate travel mugs
Warranty1 year

The manufacturer's information about this product is available at Keurig.

What People Are Saying:

The Keurig B31 Mini Brewer is a best-selling pod coffee maker at several retailers, including Wal-Mart, Best Buy and Target. The model is also well rated by Consumer Reports, which gave it a very good rating overall. In particular, Consumer Reports was impressed with the first cup brew speed and the varying strength available by brewing different cup sizes. Customer reviews of the product tend to be positive with more people offering praise than criticism. Quick, easy and delicious are words frequently used in customer reviews to describe the machine. On Amazon, more than half of the posted reviews were positive. But, a good portion of customer reviews mentioned various issues that arose with the machine, the most common of which was that it stopped working shortly after purchase or right out of the box. Dissatisfied Keurig purchasers said the customer service provided by Keurig and the willingness to replace the faulty units was exemplary.