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Keurig K-Duo Hot & Iced Single Serve & Carafe Coffee Maker

Keurig

K-Duo

Keurig K-Duo Hot & Iced Single Serve & Carafe Coffee Maker
Keurig K-Duo Hot & Iced Single Serve & Carafe Coffee Maker
Keurig K-Duo Hot & Iced Single Serve & Carafe Coffee Maker
Keurig K-Duo Hot & Iced Single Serve & Carafe Coffee Maker
Keurig K-Duo Hot & Iced Single Serve & Carafe Coffee Maker
Keurig K-Duo Hot & Iced Single Serve & Carafe Coffee Maker
Keurig K-Duo Hot & Iced Single Serve & Carafe Coffee Maker
Keurig K-Duo Hot & Iced Single Serve & Carafe Coffee Maker
Keurig K-Duo Hot & Iced Single Serve & Carafe Coffee Maker
Keurig K-Duo Hot & Iced Single Serve & Carafe Coffee Maker
Keurig K-Duo Hot & Iced Single Serve & Carafe Coffee Maker

Customer Media

Highlights

Dual Brewing Capability Enjoy the flexibility of brewing a single cup using K-Cup pods or a full carafe with your favorite coffee grounds, all from one compact machine.
Brew Over Ice This coffee maker features a special "Brew Over Ice" setting that adjusts the brewing temperature to ensure maximum flavor with less ice melt, perfect for creating refreshing iced coffees and teas.
MultiStream Technology Equipped with MultiStream Technology, this brewer uses five needles to more evenly saturate the coffee grounds in K-Cup pods, extracting fuller flavor and aroma in every cup.
Customizable Brew Settings Tailor your coffee to your preference with options for a 'Strong' and 'Extra-Hot' brew for a bolder, more intense, and hotter single cup.
Large Shared Water Reservoir A 72 oz. removable water reservoir is shared between the single-serve and carafe brewers, meaning fewer refills and more convenience.

Pros & Cons

Pros

  • Versatile Dual Brewing Options: The most frequently praised feature is the ability to brew both a single-serve K-cup and a full carafe of coffee in one unit. Users find this flexibility convenient for different needs, such as making a quick cup on workdays or a full pot for guests, while also saving counter space by combining two appliances into one.
  • Fast and Easy to Use: Many reviewers mention that the coffee maker is straightforward to set up and operate. They particularly appreciate its fast brewing speed, noting that it heats up almost instantly and doesn't require a long warm-up period, especially for the single-serve option.
  • Helpful Brewing Features: Customers enjoy several features, including the large water reservoir which reduces the frequency of refills, the ability to program the carafe to brew automatically, and settings for a "strong" or "extra hot" cup of coffee. The machine also offers various size options for both single cups and the carafe.

Cons

  • Poor Reliability and Short Lifespan: A significant number of users reported that the machine completely stopped working after a short period, ranging from a few weeks to several months. Common complaints include the unit losing all power, the digital display failing, or receiving error codes that render it unusable.
  • Brewing and Design Limitations: Several users noted that the carafe brewer has a minimum setting of 6 cups, which is too much for those who want a smaller pot. Other complaints include the coffee from the carafe being lukewarm, the brew tasting weak or like plastic, and the potential for overflow if the carafe is not seated properly.
  • Inconsistent Performance and Errors: Some customers experienced inconsistent operation, such as the machine brewing the wrong amount of coffee or displaying an "add water" error when the reservoir was full. In some cases, these issues preceded the machine breaking down entirely.

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Customer Reviews

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Showing reviews 111-120 of 301

  1. More coffee, morning peace

    Verified purchase Incentivized
    GeorgeK May 9, 2025
    Review source: Bestbuy

    Great addition to our morning coffee’s. Great for visiting family.

  2. Dual-Personality

    Verified purchase Incentivized
    SEKDave May 7, 2025
    Review source: Bestbuy

    We’ve been enjoying our K-Duo since February 2025. Overall, what we like best is the relatively small footprint (11”W x 12.5”D x 13”H), fast brew times for both single-serve and carafe, and of course, the convenience of having two brewing options in one unit. I’m sure the x-hot and iced beverage options are nice but they’re not features we use and therefore, aren’t familiar with. The 72-ounce reservoir is reasonably easy to access and large enough for one full pot (carafe), or several single servings (K-cups) between refilling.

    The initial purchase of this model no longer includes an in-reservoir charcoal water filter assembly. When questioned about this, Keurig says that the coffee maker can be used without a filter but that you can add a filter kit, sold separately (read answers and responses from Keurig to online questions and reviews). Unfiltered water accelerates scale build-up (mineral deposits) which in turn reduces the life of the coffee maker’s components – especially the pump. We change our filter about every 3-6 months. Filtered water, whether pre-filtered or reservoir filtered, is important for function and longevity, and flavor.

    The optics here aren’t great for Keurig.
    They offer high-end, home-use coffee makers, but no longer include an important component that, until recently, used to be provided with all of their models. Keurig doesn’t make it clear that these filter assemblies are now an “option”, causing many owners to feel frustrated when they have to go back and buy a part that they assumed was included with their initial purchase.

    I like Keurig – I really do!
    My hope is that Keurig will reverse this course, before consumers begin to question the motives that drive Keurig’s future development, design, and marketing decisions.
    (End of Rant)

    The K-Duo has a strong brew feature for K-cup brewing which allows the coffee more time to infuse (steep), making it stronger, but this option is only available for K-cup brewing. Other reviewers have noted that a pot (carafe) of coffee from this model is weaker than comparable models. I use two paper filters to create my own “stronger brew” option – works great.

    PROS
    – Options for brewing single or multiple cups in one unit
    – Size options of 6/8/10/12 ounces and 6/8/10/12 cups
    – A compact footprint of 11”W x 12.5”D x 13”H
    – A reasonably large 72-ounce water reservoir
    – A strong brew option for K-cup brewing
    – Quick brew times for both carafe and K-cups
    – The pause and pour feature during carafe brewing

    CONS (some of these are admittedly nitpicking)
    – An in-reservoir water filter is no longer included
    – STRONG and X-HOT buttons are hard to see in dim light
    – The carafe doesn’t always seat properly on the hotplate
    – The carafe lid swings open if tipped past 90 degrees

    BOTTOM LINE
    This is a well-designed product with popular features.
    Keurig missed the mark a bit by not designing the carafe brewer so it dissipates water more evenly over the grounds, and they should have incorporated a strong brew option here as well.
    Keurig missed another mark, by a lot in my opinion, with their cost-cutting decision to no longer include the important in-reservoir water filter assembly consisting of a plastic tube and a couple of small charcoal filters.

    Would I buy this coffee maker again?
    yeah, I would.

  3. Saves Counter Space!

    Verified purchase Incentivized
    Mike May 6, 2025
    Review source: Bestbuy

    Great duo system that takes up less space than separate coffee makers. On weekends I enjoy making a pot of coffee and on workdays just a single cup – this Keurig covers both well. So far no issues, and the access to the water container is easy.

  4. Hot strong coffee!

    Verified purchase Incentivized
    BobH May 2, 2025
    Review source: Bestbuy

    Love the large water tank, hot button, strong button, and how fast it makes my cup of coffee.

  5. Wonderful

    Verified purchase Incentivized
    JamieG May 2, 2025
    Review source: Bestbuy

    Its been working really well so far, I love the large reservoir for water and the ability to pre set the time the coffee starts to brew!!

  7. Review

    Verified purchase Incentivized
    AlbertO May 2, 2025
    Review source: Bestbuy

    Great product. I’m happy with the instructional papers that came along with product, it has clarity easy to understand

  8. Great buy

    Verified purchase Incentivized
    VictorO April 29, 2025
    Review source: Bestbuy

    Works great we can have coffee for one or a few people at once

  9. Kuerig

    Verified purchase Incentivized
    Richie47 April 25, 2025
    Review source: Bestbuy

    Really like this new keurig. The “strong brew” function really works. So does the “hot” option.

  10. New and improved Keurig coffee maker

    Verified purchase Incentivized
    John April 25, 2025
    Review source: Bestbuy

    I have owned previous Keurig models and the pot leaked when you poured your coffee. Not this model. I like the convenience of both using the coffee pot or individual pods.

    Helpful votes Not helpful votes

  11. So far so good

    Verified purchase Incentivized
    EunjooP April 25, 2025
    Review source: Bestbuy

    So far it’s good. Hope it doesn’t break again. That’s all