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Keurig K-Duo Single Serve & Carafe Coffee Maker Review 
Coffee Quality4.6 out of 5
Easy to use4.3 out of 5
Value for money4.2 out of 5
Easy to clean4.2 out of 5
Brand Reputation4.5 out of 5
Coffee Aim’s Crux:
A smooth and balanced quality cup of java never had a refusing gesture; to achieve this quality, you need a Keurig k-duo single-serve and carafe coffee maker. Duo model owns the ability to brew a cup and a pot of coffee from the coffee ground and k-cup pod, 60 oz removable large water reservoir, 6, 8, 10, or 12 oz brew sizes for both cup and Carafe, strong brew option, and many related features to achieve an undeniably rich, flavourful java.   

How about getting a little booster for your brain and body immediately at the start of your day? If Yes, then it is time to welcome a coffee maker to your homes. Keurig is always ready to provide coffee lovers with the best brewers so that users never regret their choice of buying Keurig brewers. Keurig k-duo is one of the beholding keurig brewers.

We will examine the Keurig K-Duo features, pros and cons, specifications, costs, and designs. We will also answer the most asked questions to let the viewers know each aspect of this model. So here we go;

Keurig K-Duo Overview

Keurig k-duo coffee maker brews a cup of coffee; plus, its versatile functionality allows it to brew a carafe, which is very convenient, especially for gatherings. Unlike the Keurig k-duo plus, the duo model has 2 separate brewing regions existing side-by-side. Half of the machine comprises a k-cup holder, drip tray, and brew pouring nozzle. The other half includes a filter basket, drip tray, and glass carafe.

Behind these two brewing regions lies a 60 oz large removable water reservoir that supplies warm water to both brewers. Its large capacity reduces the refilling turns and provides long-term brewing. Multiple brew sizes of 6, 8, 10, or 12 oz are available for single-cup and carafe coffee. In maintaining the brew warmthness, warming plates are there in the k-cup pod section, and a glass carafe is in the carafe brew part.

Moreover, if we see the setting options, Keurig k-duo provides cool features. For instance, the programmable Auto-brew option allows us to set the brew times up to 24 hours and to enjoy a fresh cup of joe on time. Pause and pour options gives the convenience of pouring your hot java into the cup; the brewer takes a gap of 20 sec at the interval to let the user take some coffee from it, and after 20 seconds, the remaining brewing continues.

 A Stronger brew button can intensify your brew. Coffee becomes bolder and more robust. Last but not least, the ability of Keurig k-duo brews k-cup pods and ground coffee separately. If you want to brew a single-serve cup using coffee grounds, my k-cup reusable filter will come in handy. Or, if you wish to brew coffee grounds for a pot of coffee, you will have the option of a filter basket. Just place a filter paper and then put coffee grounds. 

Replacement is also there for filter baskets, i.e., gold-tune reusable mesh filters, which you can buy separately. You can brew delicious fresh coffee for yourself or the gathering party from the above qualities and functions.

Related: How to use Keurig K-Duo

Keurig K-Duo Features

MULTIPLE BREW SIZES   Brew a cup and Carafe each of 6, 8, 10, or 12 oz.
PROGRAMMABLE CARAFE AUTO-BREW  Set Automatic carafe brew for up to 24 hours.
BREW A CUP AND A CARAFE   Use both ground coffee and K-Cup pods.
LARGE 60 oz. WATER RESERVOIR A removable reservoir makes refilling easy.
SMART START   Heating and brewing in one single process.
PAUSE & POUR  Automatically pauses your coffee maker mid-brew for 20 seconds, allowing the Carafe to be poured.
STRONG BREW   Brew a more robust, more intense single cup.
ENERGY EFFICIENT Auto-off feature for your brewer (after 5 min) and your heating plate (after 2 hours) when not in use.
12-CUP GLASS CARAFE Keeping the coffee hot.
COMPATIBLE WITH KEURIG GOLD-TONE MESH FILTER  Use to brew your perfect Carafe (sold separately).
SIMPLE BUTTON CONTROLS   Just insert the pod and use the button controls to brew a delicious cup and Carafe.
TRAVEL MUG FRIENDLY   Accommodates travel mugs up to 7.0” tall.

Keurig K-Duo Specs

Brewer 9.71 lb
Brewer dimensions out of box   12.92” H x 12.76” D x 10.94” W
Height with drip cover open 18” H
Height with handle open 17.63” H
cord length30” 
Carafe 1 lb

What We Like

  • It brews very quietly. 
  • Easy maintenance and descaling. 
  • It does not have pod scanning technology which gives ease to brew pods, licensed and non-licensed.
  • Serve rich quality coffee taste.
  • Easy to install, use, and clean.
  • Quick brewing.
  • Compatible with a reusable k-cup pod filter.
  • An auto-off feature shuts the brewer after 2 hours for the Carafe and 5 minutes for a single serve-cup if not in use.
  • You can brew a single-serve cup and a pot of Carafe.
  • Warming plates for managing the hotness of the coffee.
  • Auto-brew feature.
  • Brew absolute hot coffee.

What We Don’t Like

  • Full carafe brew is not robust.
  • Carafe pour gives a little spillage.
  • No water filter kit
  • No filter holder
  • Carafe glass gives delicacy vibes. Will break easily on a tiny fall
  • No gold mesh filter is present; it has to buy separately.

Keurig K-Duo water Filter installment

Keurig k-duo water filters don’t come with a water filter kit. You have to purchase the water filter separately; otherwise, you can use the purified water for brewing. Get a short-handle filter holder when you get the water filter kit. Keurig water filter cartridges are also available if you want to use that. 

To install the water filter, first, you must soak the water filter cartridges in the water for about 5 minutes, then rinse them with clean water. Secondly, remove the bottom cap of the holder, place the cartridge in it, and place back the removed cap. Lastly, place the cartridge filter handle in the reservoir and clip it in the specific design place in the reservoir.

Keurig K-Duo Instructions

Besides using the k-duo for brewing, Other processes like descaling, resetting, or temperature adjustment should also be in the users’ knowledge. These are the essential parts of Keurig. Let one by one look into the following process.

Keurig K-Duo Descaling

The first one we have here is Keurig k-duo descaling. The primary purpose of descaling is to clean the machine internally, specifically the water tubes, to remove any debris or dust particles that may, in the future, clog the path and affect the brewing process. Descaling is an essential step for brewer cleanliness and maintenance, and it enhances the machine’s life. So it is mandatory to descale after every 3-4 months.

Following are the steps to descale your Keurig k-duo. 

  • Empty the machine k-cup pod holder and carafe filter basket.
  • Fill the reservoir to the max level.
  • Turn on the brewer
  • Select the pod button for pod descaling
  • Press 12 oz brew size, then press the center big K button to start the descaling process.
  • Pour the brewed water into the sink.
  • Now press the carafe button. 
  • Press 12 oz brew size, then press the K button.
  • Pour the brewed water into the sink.
  • Press and hold the carafe button to turn off the warming plates.
  • Let the brewer rest for half an hour or one hour; do not turn off the brewer.
  • Meanwhile, rinse and wash the Carafe and reservoir. Fill the reservoir with clean water.
  • Again brew only the water.
  • Repeat the brew cycle 3 times for each carafe brewing and single-cup brewing.
  • Descaling is done.

Keurig K-Duo Reset Button

Resetting is often done to remove the minor bug from the brewer. Most of the time, resetting solves the little issues like brewer all lights flashing, adding water or descale symbol is not vanishing from the display, etc. for resetting, all you have to do is;

  • Select the power button
  • Select and holds the brew size of 8 oz and 10 oz simultaneously for about 5 seconds.
  • Resetting has been done.
  • Or you can remove the reservoir, turn off the machine and let it rest for about a few hours, then turn it on, set back the reservoir, and the brew will start to function actively.

Keurig K-Duo Temperature Settings

Keurig k-duo, unfortunately, doesn’t have adjustable temperature settings, which means you can’t adjust the temperature to your liking; however, the brew will come very hot, which is the priority of average users. The temperature settings are not present in this model.

Where Can You Find a Keurig K-Duo Reusable Pod?

To conveniently get your hands on Keurig k-duo reusable pods, the easiest way is to shop them online. Many online top websites are there to provide you with the product at your doorsteps, for instance, Amazon, Walmart, Target, eBay, and Costco. But still, if you are not satisfied with the online stores, you can check out your nearest brewing products selling shops, and hopefully, you will get your Keurig k-duo reusable pod from there.

Keurig K-Duo Price and Availability

Keurig K-Duo AvailabilityPrice
Bed Bath & Beyond$189.99
Best Buy$189.99

You can buy Keurig k-duo from multiple online stores, but Amazon is my first choice for me. My most electric purchase, including coffee brewers, is from Amazon. In quality, price, and shipping time, Amazon never disheartens me. Its return policy also is a plus point for preferring Amazon.

Is Keurig K-Duo for You?

Keurig k-duo undoubtedly has effective features that ease the user’s brewing style. However, besides this model, there are also has 2 models related to the third series named; Keurig k-duo plus and Keurig k-duo plus essentials. So the question resides there, which one is perfect for your requirements? To answer this, we will go through a comparison between these three and also let you know which serves you more beneficially.

Kicking off by the comparison between Keurig k-duo and k-duo plus. If we talk about the reusable golden-tone mesh filter, then Keurig k-duo plus wins the side; as the duo model doesn’t have its own reusable golden-tone mesh filter, you have to buy it separately. The water reservoir of the plus model is very accommodating; its handle makes a firm hold and easy filling, and the adjustable reservoir enhances counter space. 

The Keurig k-duo model has a reservoir placed at the back of the brewer with no handle, which makes little nuisance in refiling and takes more space. Both models have the same brew size for each Carafe and single-serve cup brewing, i.e., 6, 8, 10, or 12 oz. Keurig k-duo has heating plates plus a glass carafe for maintaining the hotness of the coffee, while the plus model lacks the heating plates, but it has a stainless-steel carafe for more extended heating maintenance.

For the setting-features-wise, we see; that both models have space for fitting travel mugs, a potent brew option, smart technology, and the ability to brew any coffee grounds and k-cup pod. K-duo plus has only one space for placing either cup or Carafe at a time, while the duo provides two separate places.

Now let’s look at the Keurig-duo plus and Keurig k-duo plus essentials. Both can brew coffee grounds and k-cup pods. The difference comes as follows; Brew size of Keurig k-duo plus is 6, 8, 10, or 12 oz while essential is 8, 10, or 12 oz. Essentials also lack a strong brewing option, while plus owns this one. Keurig k-duo plus is slimmer than essentials because it has only space for Carafe and cups placing, while essential has separate regions for both. 

Both own a 60 oz water reservoir; nevertheless, Keurig k-duo plus reservoir is three places adjustable, and essentials only have one location. Essentials also miss the auto-brewing feature. Glass carafe and stainless-steel carafe are for k-duo plus essential and k-duo plus, respectively. Lastly, heating plates are also absent in the plus model.

After viewing the comparison of Keurig k-duo, plus, and essentials; let’s see which feature you should acquire;

  1. Keurig K-Duo Essential will suit your requirements if; you can brew both coffee grounds and k-cup pod, has a large water reservoir, and separate compartments for both carafe and single-cup brewing. Plus, don’t bother you by the absence of a strong brew button, multiple brew sizes of 8, 10, and 12 oz for both carafe and single cup brewing, and a glass Carafe for an elegant look.
  1. Keurig K-Duo Plus has a large water reservoir capacity, strong brewing option, auto-brewing technology, streamlined brewer, carafe brewer, can brew k-cup pods and ground coffee, and adjustable water reservoir for less space cover. Plus has a modern look, simple button controls, and stainless steel carafe to keep coffee warm for over 2 hours. If it fits your wish, then this model builds for you.
  1. If you are seeking a brewer that can brew 6, 8, 10, or 12 oz brew size for both Carafe and single cup, a large removable and fixed place water reservoir, has a strong brewing option. Plus, it can brew coffee grounds and k-cup pods, has a stainless steel carafe with heating plates, has a separate space for brewing carafe and single serve coffee, and has an Auto-brewing feature that you and Keurig K-Duo will be a perfect combo.

Important FAQs

Is Keurig K-Duo worth it?

“Keurig K-Duo comes up with multiple pods and coffee grounds brewing options. Its simplicity in functioning and rich flavor of java with a large reservoir of 60 oz, glass carafe, heating plates, and quite fascinating options for brewing can easily make it worth it in the user’s heart.

Are there 2 different Keurig K-Duos?

Yes, the Keurig Duo series owns 2 more models apart from K-Duo. These are; keurig K-Duo, Keurig K-Duo Plus and Keurig K-Duo Essentials. Every version possesses its quality class features.

How long does a Keurig K-Duo last?

Keurig K-Duo brewer does spend a specific quality time with its user. But its longevity can be increased or decreased depending on maintenance and care. If you care correctly, 4-5 years are easy going for it, but if not, you will have to find a new set for yourself.

What is the difference between K duo and K duo plus?

Both models retain the feature best for their own. But the coffee taste is never compromised in any Keurig brewer. Their similarity says; that both have a 60 oz water reservoir, brew coffee ground and k-cup pods, strong brew button, Auto brewing option, and 6 8, 10, or 12 oz carafe and single-serve coffee brew sizes. The differences tell; the presence of heating plates in Keurig K-Duo and absence in K-Duo Plus, and separate places for carafe and cup brewing in k-duo models. Further, the adjustable water reservoir in Keurig K-Duo Plus and the reusable gold mesh filter are available in Keurig K-Duo Plus but not in the Keurig K-Duo. You have to buy it separately.

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