Keurig K-Duo Hot & Iced Single Serve & Carafe Coffee Maker, MultiStream Technology, 72oz Reservoir (Gen 2)
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AI Verdict
This 72oz reservoir dual brewer handles K-Cups and ground coffee, offering 6-12oz single cups and 6-12 cup carafes, but carafe coffee often isn't hot enough.
This brewer is a situational fit for those who need both K-Cup convenience and carafe brewing, especially with its shared 72oz reservoir and compact design. However, the reported issues with carafe coffee temperature and potential dispensing inconsistencies mean it won't satisfy users prioritizing consistently hot, large-batch coffee.
If consistently hot carafe coffee is a priority, look for models with an insulated thermal carafe or adjustable warming plate settings.
Regret Score™
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Critically weak dimension
Amazon rating vs actual quality
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Pros
- Brew K-Cup pods and ground coffee from one unit, offering dual functionality.
- The 72oz removable water reservoir serves both brewing sides, reducing the frequency of refills.
- MultiStream Technology saturates coffee grounds evenly, enhancing flavor extraction for both hot and cold brews.
- Features a Strong Brew option for a more intense-flavored single cup.
- Programmable Auto Brew allows setting carafe brew time up to 24 hours in advance.
- Compact design (12.9"D x 11.1"W x 12.7"H) fits under kitchen cabinets without hogging counter space.
Cons
- Carafe coffee often brews at a lower temperature and cools quickly after brewing.
- The Extra Hot and Brew Over Ice features for single-serve are reported as 'mediocre' or 'average at best' in effectiveness.
- Carafe brewing lacks customization options beyond the auto-brew setting.
- The carafe has been reported to leak when pouring coffee.
- No reusable filter is included for ground coffee carafe brewing, requiring separate purchase or paper filters.
Dimension Scores
MultiStream Technology and Strong Brew improve flavor extraction for single cups, but carafe coffee often isn't hot enough and iced/extra hot features are reported as average.
The shared 72oz removable reservoir, front-facing control panel, and programmable auto-brew simplify daily operation.
User reports of carafe leaking, inconsistent water dispensing after a few months, and machine failure from brewing with an empty reservoir indicate potential durability concerns.
No specific energy consumption data is provided, placing it at a category average for similar dual coffee makers.
Best For
- Households needing both single-serve K-Cups and full carafes from a single machine.
- Users who prioritize convenience with a shared 72oz water reservoir for fewer refills.
- Individuals who want a stronger single cup of coffee using the Strong Brew option.
- Kitchens with limited counter space due to its compact footprint (12.9"D x 11.1"W x 12.7"H).
Not Recommended For
- Coffee drinkers who require consistently piping hot carafe coffee for extended periods.
- Users expecting advanced customization options for carafe brewing.
- Individuals who frequently brew less than 6 cups of ground coffee, as this is the minimum carafe size.
Watch Out For
- Carafe coffee temperature can be an issue, with some users finding it cools quickly after brewing.
- The machine may dispense less water than selected for K-Cups after a few months of use.
- Attempting to brew with an empty water reservoir can cause the machine to completely shut off and require a warranty replacement.
- The carafe has been reported to leak when pouring, leading to spills.
- The lowest carafe brew size is 6 cups, which might be too much for a single serving of ground coffee.
Full Specifications
| UPC | 611247401859 |
| ASIN | B0D8LXRHQ8 |
| Brand | Keurig |
| Color | Black |
| Style | K-Duo Gen-2 |
| Capacity | 4.5 Pounds |
| Model Name | Keurig K-Duo Gen 2 |
| Unit Count | 1.0 Count |
| Item Weight | 1 pounds |
| Manufacturer | Keurig |
| Power Source | AC adapter |
| Operation Mode | Fully Automatic |
| Exterior Finish | Matte |
| Number of Items | 1 |
| Special Feature | Removable Tank |
| Coffee Input Type | K-Cup Pods, Coffee Grounds |
| Coffee Maker Type | Espresso Machine |
| Item model number | 5000378536 |
| Is Dishwasher Safe | No |
| Product Dimensions | 12.9"D x 11.1"W x 12.7"H |
| coffee_filter_size | #4 |
| Included Components | Carafe |
| Human Interface Input | Buttons |
| Compatible Coffee Pods | K-Cup |
| Specific Uses For Product | Iced Coffee,Hot Coffee |
| Recommended Uses For Product | Personal and social settings, hot and iced beverages |
| Global Trade Identification Number | 10611247401856 |
What Buyers Say
The biggest surprise from user feedback is the recurring complaint about the carafe coffee not being hot enough, often cooling quickly after brewing. While the dual functionality for K-Cups and ground coffee is a major draw, some users have experienced issues like the carafe leaking when pouring and inconsistent water dispensing for single-serve cups after a few months. The 'Extra Hot' and 'Brew Over Ice' features for single cups also don't always live up to expectations.
“Honestly, I love having both K-cups and a pot, but why is the pot coffee barely warm after 15 minutes? My old cheap drip maker kept it hotter way longer. And the 'iced' coffee is just... regular coffee over ice, not really cold enough. K-cup strong brew is decent though.”
Common Praise
- Brewing both K-Cup pods and ground coffee from a single unit.
- The 72oz shared water reservoir means fewer refills.
- Compact design (12.9"D x 11.1"W x 12.7"H) fits well on kitchen counters.
- Strong Brew option delivers a noticeably more intense single cup.
- Programmable Auto Brew for setting carafe brewing up to 24 hours in advance.
Common Complaints
- Carafe coffee often isn't hot enough and cools down quickly.
- Carafe leaks when pouring coffee.
- Single-serve 'Extra Hot' and 'Brew Over Ice' features are not very effective.
- Machine may dispense less water than selected for K-Cups after some use.
- Carafe brewing lacks customization options beyond auto-brew.
Ownership Tips
- The heating plate for the carafe stays on for two hours, but some users struggle to manually reactivate it.
- If you primarily brew ground coffee, you'll need to buy a reusable filter separately or use paper filters.
- The lowest carafe brew setting is 6 cups, which can be too much for one person if they prefer ground coffee.
- Be careful not to brew with an empty reservoir, as it can cause the machine to completely shut down and require a warranty replacement.
Frequently Asked Questions
Can I brew both K-Cups and ground coffee?
Yes, this machine brews both K-Cup pods and uses ground coffee for carafes, offering dual brewing functionality.
What is the water reservoir capacity?
It has a 72oz removable water reservoir that serves both the single-serve and carafe sides, reducing the need for frequent refills.
Does it make iced coffee?
Yes, it has a Brew Over Ice feature that adjusts temperature for single-cup iced coffees and teas, aiming to prevent dilution.
Can I make a strong cup of coffee?
Yes, it includes a Strong Brew functionality specifically for single cups, designed to deliver a more intense-flavored coffee.
Is the carafe brew customizable?
Carafe brews are not customizable beyond the auto-brew setting, meaning you can't adjust strength or temperature for a full pot.
Does it come with a reusable filter for ground coffee?
No, a reusable filter for ground coffee is not included and must be purchased separately or paper filters used for carafe brewing.
Buying Guide
If you're eyeing this Keurig, you need to decide if the convenience of having both K-Cups and a carafe in one machine outweighs some compromises. Think about how hot you like your coffee, especially if you're a carafe drinker, because that's a common complaint. Also, consider if you're okay buying extra filters for ground coffee.
MultiStream Technology
This means the water saturates all the coffee grounds evenly, like a showerhead for your coffee, pulling out more flavor for a better-tasting cup, whether it's hot or iced.
72oz Removable Reservoir
This is a big water tank that both the K-Cup and carafe sides share. It means you won't be refilling it constantly, especially if you drink a lot of coffee or have multiple people using it.
Brew Over Ice
This feature adjusts the brewing temperature so your single-serve iced coffee or tea doesn't get watered down by melting ice too fast. It's supposed to give you a stronger, colder drink.
Multiple Brew Sizes (6, 8, 10, 12oz single; 6, 8, 10, 12-cup carafe)
This gives you flexibility. You can make a small personal cup with a K-Cup or brew a full pot for guests, so you're not stuck with just one option.
Alternatives
If you need consistently hotter carafe coffee or more precise temperature control for brewed pots, look for coffee makers with thermal carafes or adjustable warming plate settings.
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