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Keurig Single Serve Coffee Maker (KUB31B)

  • Model #: KUB31B
  • Web Code: 10147225
(19 ratings)


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This Keurig mini brewer is the perfect size for your individual cup of coffee. It brews in as little as 3 minutes, and features an ultra-compact size that makes it the ideal companion for your small kitchen, dorm room or while camping.

More Information

  • 10 oz. water reservoir
  • Brew time 3 minutes
  • Very compact and convenient design
  • Removable drip tray
  • Auto shut off
  • Great for small kitchens, dorms, camping and offices
  • 3 brew sizes: 6, 8, and 10 oz cups

Manufacturer's Warranty:

  • Parts - 1 Year(s)
  • Labour - 1 Year(s)

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Customer Reviews

3.6 / 5
Based on 19 ratings,13 Reviews
Ratings & Reviews

Ratings in Detail

  • 5 Stars
  • 4 Stars
  • 3 Stars
  • 2 Stars
  • 1 Star

Positive vs. Critical Reviews

Positive 73%

10 Reviews

Critical 26%

3 Reviews

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  • from Ottawa, ON
  • Sep 20, 2014

Good enough

Great addition to the kitchen. Lack of water reservoir means every time you need to refill, but on the other hand you control how much water to make, just make sure to leave the k-cup compartment open till all the water goes in. Bad that the traveler mug won't fit in even with the bottom water trey removed :( It does the job well but maybe the engineering needs to be better refined.

  • from Abbotsford, BC
  • Dec 29, 2013

K-cup Brewer

This machine works well and does as was described anyone who thinks it needs to do more should have researched it before buying

  • from Kitchener, ON
  • Dec 28, 2013

Keurig Mini Single Serve Coffee Maker

Perfect coffee every time. This little gem gives me a hot cup of superior tasting coffee every in about two minutes. Its perfect for the person who doesn't need to make a pot of coffee, but can still make a few cups of coffee in less than ten minutes. Easy to use and takes up very little storage space, so, perfect for small kitchens. Best little machine I have ever owned.

  • from Mississauga, ON
  • Sep 26, 2013

Keurig single serve.

The Keurig single serve coffee maker is awesome. It heats water pretty instant, it also accommodates different sized cups. The down fall you have to keep filling the reservoir per cup.

  • from Langley, BC
  • Sep 23, 2013

Does what it's supposed to!

It is what it is! If you want more options, and you want it faster - get the bigger model. But if you have limited space & your only brewing a cup or two - this one is great.

  • from Burnaby, BC
  • Sep 22, 2013

Good starter unit !

Works well as described.

  • from Ottawa, ON
  • Aug 30, 2013

Great Coffee

Simple to use and makes a great cup of coffee. I use both the K-cups and a filter for my own coffee. For those that are not sure about how much water to use, fill your coffee cup with water to level you desire and then pour that into the reservoir. Easy!

  • from Scarborough, ON
  • Aug 30, 2013

Keurig Single Serve

Not a bargain at all....Spend more and get the next higher model

  • from Winnipeg
  • Aug 27, 2013

Does it job as described.

I have a couple Keurig machines. The larger "full use" models that pre-heat the water are faster for sure. I would say this one has a 2 or 3 minute delay before it gets rolling. That said once it gets it cup-by-cup water heated - and it is VERY hot -- it takes about 45 seconds to sent the hot water through. The cup size is pretty good too. Lastly this is a VERY attractive machine to have on the table. It is compact and classy looking. I'm told by other owners it will spill water out its overflow if you overfill it too much - but we did not see this problem (but I avoided trying to seriously overfill it.). I would highly recommend it.

  • from Montreal, QC
  • Aug 09, 2013

It Burns!

Without a cup size selection button, the machine is prone to water overflows. Although there is a plastic piece with water level markings in the small reservoir, it is not accurate because the machine forces you to put in more water than you want before it will allow you to brew. After a couple of tests, I have decided to return's not worth it when there is a good chance the water will overflow your cup, or you will get burned.

  • from Winnipeg, MB
  • May 26, 2013

Not Happy

Wish I would have returned it when I bought it. My travel mugs do not fit under it, it leaks all over the counter when I move it, there are coffee grinds in every cup at the bottom. Have tried different K-cups and all leave something in the bottom of cup. Have been unable to find a decaf coffee for it.

  • from Brantford, ON
  • Feb 09, 2013

Great Coffee Maker

We like this individual coffee maker a lot. You can use the k cups or buy the single adapter where you can add your own coffee. As Starbucks Sumatra lovers, we can make the coffee exactly the way we like it. If you are a coffee lover, this machine is for you.

  • from Montreal, QC
  • Jan 09, 2013

mediocre at best

it makes good coffee,but its hard to measure water. would prefer one with a water resevoir

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