Keurig K425s Review – Is It Worth the Money? (2019)

Keurig Green Mountains is a vast company. It has over 70 brands and hundred of beverage products. It built its reputation on gourmet coffee, delivered at just the push of a button.

One of its offerings is the Keurig K425S, which is a programmable coffee maker that comes with the My K-Cup 2.0 Reusable Filter (1). 

It promises to live up to the standards of great taste, and convenience the Keurig brand built.

Read on to see the detailed points of this brewer in this Keurig K425S review.

Keurig K425S review - At A Glance

  • Compatible with the cup, mug, or carafe brew sizes
  • 70-oz. water reservoir
  • Customizable brewing strength
  • Temperature control
  • My K-Cup 2.0 Reusable Coffee Filter
  • Programmable auto on/off features
  • Maintenance alerts

The strength of the Keurig K425S is that it gives the power of choice to the user. A large 2.4-inch touch screen allows you to customize your drink easily. Unlike other Keurig models, this model does not offer nightlight or wallpaper options in the screen. However, it is colored.

You can choose from the language options for the screen. The choices are English, Spanish, or French.

It is in the preparation of the drinks that the Keurig K425S makes its power felt. The first question you need to ask: how much coffee do I need?

You can choose between ten brew sizes. For the K-Cup Pod, it comes in 4 oz., 6 oz. 8 oz., 10 oz., and 12 oz. The K-Mug Pod has 12 oz, 14 oz., and 16 oz options. Finally, the K-Carafe Pod has brew sizes of 22 oz., 26., and 30 oz.

Big brew sizes mean that there is a need for a big capacity water reservoir. The Keurig K425S responds with 70 oz. The large proportion of the reservoir ensures a fresh supply of coffee when needed, without the hassle of having to keep on refilling the machine.

The drip tray of this unit is removable. It is a convenient feature for cleaning. But it also has an added perk. Removing the drip tray allows the Keurig K425S to fit in tall mugs up to seven inches in height.

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The Keurig K425S comes with the My K-Cup 2.0 Reusable Coffee Filter. With it, you can choose and grind your coffee beans. There are options outside the Keurig roster. In fact, this model does not even have to brew coffee. It can be set to produce specialty drinks like hot chocolate or tea.

Interestingly, one of the criticisms of against the Keurig and other single-serve coffee machines is that the pods are a strain on the environment. The filter that comes with the Keurig 425D addresses this judgment head-on. It is reusable. Also, you can recycle the plastic cups used for the K-Mug and K-Carafe.

Another feature of the Keurig K425S is that it has temperature control. Adjusting the settings on the touchscreen control panel lets you choose among low, low/medium, medium, medium/high, and high.

The machine has a system that gives out alerts when it needs to be cleaned or maintained. One example is the water filter alert. A reminder to replace the water filter will flash on the screen after every 1,000 ounces of water used. On average, you reach the limit every two months. The Keurig K425S also gives a warning when it is time descale the machine.

The Keurig K425S has alerts that prompt the user what to do. For example, it will indicate when the reservoir does not have enough water to brew the beverage. It will flash “More water please” on the screen.

Dimensions and Specs

The Keurig is average in size for premium brewers. It measures 10.43 x 13.63 x 13.45 inches. It weighs 14.9 lbs. The size and weight make it ideal for household use.

The Keurig K425S uses a power cord with a grounding wire and grounding plug. The 3-hole outlet grounds the device. The grounding is for safety reasons. In case of a malfunction, the grounding reduces the risk of an electrical shock.

The device is not compatible with a 2-prong wall outlet. The manufacturer strongly warns against using an adaptor or removing the third prong from the power cord.

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The Pros of Keurig K425S

  • The Keurig K425S comes with the My K-Cup 2.0 Reusable Filter, which allows the user to use own beans.
  • It is not limited to coffee. It can also brew other beverages like cocoa or specialty coffee drinks
  • The Keurig K425S can be programmed to turn on at the preferred time. Cons

The Cons of Keurig K425S

Keurig has discontinued production of this product. Purchased machines will still get customer support, but its discontinuation means that there are newer models that are available.

The price difference between the Keurig K425S and these other models might not be significant. But, more recently offered products tend to showcase added features.

Another disadvantage is that Keurig also offers limited warranties for its products. You are offered a one year warranty from the date of purchase. Other companies offer more extended warranty periods.

Techniques, Tips, and Tricks

Keurig recommends descaling the K425S every 3-6 months depending on how often you use it and the quality of the water.

Descaling is a process where you remove the calcium deposits that accumulate inside the brewer each time you use it (2). 

These calcium deposits, or scales, are not dangerous when consumed. But, the buildup can hamper the performance of the machine when you do not descale regularly.

Keurig units have parts that detach for easy cleaning (3). For example, you can remove the water reservoir as well as disassemble the pod holder and pod holder area.

It is important to note that these are not dishwasher-safe. Putting these parts in the dishwasher can cause them to warp or get damaged. Read the manual carefully to see how to properly clean these parts.

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Comparison to Similar Products

Keurig no longer holds the parent on coffee pods and its method of brewing. There are now other companies that offer similar products. One such example is the 2-Way FlexBrew Coffeemaker by Hamilton Beach.

The most obvious comparison is that both brewers can use the K-Cup packs. It also offers a load of features that are similar to the Keurig. First, the Hamilton Beach 2-Way Flexbrew can also customize the brewing strength options. It also has size settings. It can brew a single cup or a whole pot.

The most noticeable difference between the Keurig K425S and the Hamilton Beach 2-Way FlexBrew Coffeemaker is the price. The Keurig is significantly higher.

Another similar product is the Cuisinart Coffee Center Maker and Single-Serve Brewer. This coffeemaker is a fully automatic unit that can brew beverages like coffee, hot chocolate, and tea. It comes with a single serve brewer for 6, 8, and 10-ounce cups. This product is also compatible with K-Cup pods.

Like the Keurig 425S, the Cuisinart Coffee Center has different settings for temperature and brew strength. However, this model is significantly smaller in capacity compared to the Keurig K425S. It only has a 40-ounce reservoir.

Again, the main difference between Cuisinart and the Keurig is the price. The Cuisinart Coffee Center is less expensive than the Keurig 425S, but it is understandable. The Cuisinart is much smaller and offers more basic features.


This Keurig K425S review looks at the model beyond the reputation of the brand. Keurig is undoubtedly the industry standard when it comes to single-serve brewers.

But, the Keurig K425S shows that it evolved. It expanded the feature offers to serve the needs of different households. It is a workhorse of a machine. Solidly built with a design that is sleek and timeless.

Keurig designed the K425S to last, without losing its appeal. For a price, you can experience all the bells and whistles you want for a great cup of coffee.

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