I love a coffee maker that does its job without making my morning feel like a small engineering project. That is why the Ninja CE251 caught my attention. It offers programmable brewing, two brew strengths, and a large glass carafe without loading the counter with complicated controls.
But features alone do not make a great coffee maker. The real questions are simpler. Does the Ninja CE251 brew good coffee? Is it easy to clean? Can it handle a small batch? And does it make sense for someone who wants reliable coffee each morning?
In this Ninja CE251 Review, I will explore its design, brewing performance, useful features, limitations, and everyday practicality. I will also separate documented testing from product-based observations, so you can make a more informed buying decision.
Editor’s note: This review draws on published product information and independent testing. I have not personally operated the machine, so I will not present laboratory results or another reviewer’s experiences as my own.
Ninja CE251 Review at a Glance
The Ninja CE251 is a programmable drip coffee maker built for people who want a full pot, simple controls, and some flexibility in brewing strength.
Before getting into the details, here is a quick overview of what matters most.
| Feature | Ninja CE251 Details |
| Coffee maker type | Programmable drip brewer |
| Maximum capacity | 12-cup glass carafe |
| Water reservoir | Removable, approximately 60 oz |
| Brew settings | Classic and Rich |
| Small batch | 1–4 cups |
| Programmable brewing | 24-hour delay brew |
| Warming plate | Adjustable keep-warm time |
| Filter | Cone-shaped reusable filter |
| Power | 1100 watts |
Published specifications and independent testing identify the CE251 as a full-size drip brewer with programmable controls, a removable reservoir, and a glass carafe.
What Stands Out About the Ninja CE251?
The main attraction is its balance of features and straightforward operation.
You get more control than a basic coffee maker, but you do not need to learn a complicated touchscreen system.
| Feature | Why It Matters |
| Classic and Rich | Lets you adjust the brewing style |
| Small Batch | Helps when you need fewer than four cups |
| Delay Brew | Lets you plan coffee ahead of time |
| Removable tank | Makes filling and cleaning easier |
| Pre-infusion | Helps wet the grounds before full brewing |
The CE251 also includes a mid-brew pause feature, allowing you to pour a cup before the brewing cycle finishes.
How Does the Ninja CE251 Brew Coffee?
Coffee quality is where a coffee maker earns its counter space. A machine can look great and still produce a disappointing cup.
Independent testing by TechGearLab found that the Ninja CE251 produced balanced coffee with noticeable nutty and fruity notes. Their testers also reported some acidity and intensity, showing that the result depends on the beans and personal taste.
Classic vs. Rich Brew
The CE251 offers two main brew styles: Classic and Rich.
Classic is intended for everyday brewing, while Rich aims to produce a stronger flavor.
However, I would not assume that Rich automatically means better coffee. Stronger flavor can sometimes bring more bitterness or sharpness, depending on the grounds.
| Setting | Best Use |
| Classic | Daily coffee and medium-roast blends |
| Rich | When you want a stronger taste |
| Small Batch | Brewing one to four cups |
In independent testing, the difference between Classic and Rich was described as relatively small. The testers found the Rich setting only slightly stronger, with the change difficult to taste.
That is a useful reminder: a strength button does not replace good coffee-to-water measurements.
If your coffee tastes weak, try checking the amount of grounds, grind size, and freshness before relying only on the Rich setting.
Pre-Infusion and Coffee Extraction
One feature worth understanding is pre-infusion.
This process wets the coffee grounds before the main brewing stage. It can help the grounds release gas and become evenly saturated.
Think of it as giving the coffee grounds a brief introduction before the main conversation begins.
TechGearLab reported that the CE251 distributed water evenly across the grounds during testing. The measured average brewing temperature was approximately 191.6°F, with consistent results across several batches.
That does not mean every coffee bean will taste perfect. Roast level, grind size, freshness, and water quality still matter.
Ninja CE251 Review: Brewing Time and Daily Convenience
A coffee maker can brew good coffee and still frustrate you if it takes too long.
This is especially true on busy mornings when you are searching for your keys, checking your phone, and wondering why you have not had coffee yet.
How Long Does the Ninja CE251 Take?
Independent testing found that brewing time was somewhat inconsistent. TechGearLab recorded an average of approximately 7 minutes and 48 seconds for six cups, while the first cold brew could take more than 11 minutes.
Another review from Forbes reported that brewing a full carafe could take around 15 minutes, partly due to the pre-infusion process.
These figures come from different test conditions, so they should not be treated as a guaranteed time for every batch.
| Situation | What to Expect |
| Small batch | May be useful when you need less coffee |
| Six cups | Independent test measured about 7:48 |
| Full carafe | Can take considerably longer |
| First brew | May take extra time while the machine warms |
The practical lesson is simple. If you need coffee immediately, do not assume a large drip brewer will be as quick as a single-cup machine.
Is the Delay Brew Feature Useful?
The 24-hour delay brew function is one of the CE251’s most practical features.
You can prepare the machine ahead of time and schedule brewing for the morning.
A simple routine might look like this:
- Add fresh water.
- Place the coffee grounds in the filter.
- Set the desired brew time.
- Check that the carafe is in place.
- Let the machine handle the scheduled start.
I would still check the instructions carefully before using the feature for the first time. Programming controls can feel obvious until you accidentally set the clock for the wrong hour.
Is the Ninja CE251 Easy to Use?
The CE251 uses buttons and a display rather than a complicated touchscreen. That design can be helpful if you prefer direct controls.
TechGearLab gave the model a relatively strong ease-of-use result in its comparison testing, with a score of 7.4 in that category.
Setting Up the Ninja CE251
Initial setup is fairly straightforward according to published reviews.
For a new machine, I would focus on cleaning the removable parts and running a water-only cycle before making coffee.
| Setup Step | Why It Matters |
| Wash removable parts | Removes dust or residue from manufacturing |
| Run a water-only cycle | Helps rinse the internal brewing path |
| Check the water level | Prevents filling errors |
| Position the carafe | Helps avoid spills during brewing |
For safety, follow the included manual for the first-use procedure rather than relying only on general coffee-maker advice.
Is the Removable Water Tank Helpful?
A removable water reservoir is a small feature that can make daily use easier.
Instead of carrying a full jug to the machine, you can remove the tank, fill it at the sink, and return it.
That is particularly useful when the coffee maker sits under a cabinet or in a tight kitchen corner.
However, the tank is positioned on the right side, which may be less convenient for some left-handed users or kitchens with limited side access. TechGearLab specifically noted this design limitation.
Before buying, consider where the coffee maker will sit and whether you have enough space to remove the reservoir comfortably.
Ninja CE251 Review: Carafe, Warming Plate, and Heat Retention
The CE251 uses a glass carafe and a warming plate.
This is a familiar design, but it comes with a trade-off. You can keep coffee warm on the plate, yet extended heating may affect flavor.
Is the Glass Carafe Practical?
A glass carafe lets you see how much coffee remains. It also avoids the need to maintain a separate insulated container.
The handle and pouring design received positive comments in TechGearLab’s testing, which found the carafe comfortable to hold and easy to pour.
Still, glass requires more care than a sturdy insulated carafe. It can break if dropped or exposed to sudden temperature changes.
| Carafe Type | Main Consideration |
| Glass | Visible coffee level and warming plate |
| Thermal | Better suited to holding heat without a hot plate |
| Glass with warming plate | Convenient, but coffee may lose freshness over time |
The CE251 does not offer a thermal carafe option, so buyers who prefer insulated storage should consider that limitation.
Does the Warming Plate Keep Coffee Hot?
The warming plate can be set to keep coffee warm for up to four hours, according to published product information and testing. Without a longer setting, the machine can shut off after two hours.
However, keeping coffee warm is not the same as preserving its fresh-brewed taste.
TechGearLab reported that coffee cooled by around 10°F over one hour during its testing, despite sitting on the warming plate.
That is worth remembering if you tend to brew a full pot and drink it slowly.
My practical approach would be to brew an amount you expect to drink within a reasonable time rather than leaving the same coffee on the plate all afternoon.
Cleaning the Ninja CE251: What Should You Know?
Cleaning is one of those tasks that seems unimportant until the coffee starts tasting strange.
Old grounds, mineral buildup, and coffee residue can affect the machine over time.
The CE251 includes a cleaning function, and independent testing found that descaling was relatively straightforward.
Are the Removable Parts Dishwasher-Safe?
TechGearLab reported that many of the removable components are dishwasher-safe, including the carafe, reservoir, filter holder, reusable filter, and scoop.
Always check the current manual before putting any part in your dishwasher, especially if your specific package or replacement component differs.
| Part | Cleaning Approach |
| Glass carafe | Wash after use |
| Reusable filter | Rinse away grounds |
| Water reservoir | Clean regularly |
| Warming plate | Wipe away coffee spills |
| Main machine | Use a damp cloth |
Why Does the Warming Plate Need Attention?
Coffee spills on a hot plate can dry and burn onto the surface.
That can leave stains and create an unpleasant smell the next time you brew.
A simple habit helps: wipe the warming plate after it cools rather than allowing several days of buildup.
How Often Should You Descale the Ninja CE251?
Descaling removes mineral buildup from the internal water path.
The right schedule depends on your water hardness and usage. If you use hard water, you may need to descale more often.
Look for signs such as:
- Slower brewing
- Unusual noise
- Changes in water flow
- Coffee that tastes different
- A cleaning indicator
Follow Ninja’s manual for the correct cleaning solution and process. Avoid using random cleaning chemicals that could damage the machine.
Ninja CE251 Review: Common Problems and Limitations
No coffee maker is perfect. The key is knowing which limitations may affect your daily routine.
The CE251 offers useful features, but independent reviews also point to a few areas worth considering.
Is the Ninja CE251 Noisy?
One published review described the CE251 as relatively noisy during brewing, with noticeable gurgling and popping sounds.
That does not mean every user will find the noise bothersome. Kitchen layout, room size, and personal sensitivity all affect how noticeable it feels.
If you brew coffee while others are sleeping, this is a practical issue to consider.
Does the Rich Setting Make a Big Difference?
The Rich setting is useful in theory, but independent testing found the flavor difference fairly small.
If you expect the button to transform light coffee into espresso-like strength, you may be disappointed.
Drip coffee and espresso use different brewing methods. A strength setting cannot turn one into the other.
| Expectation | More Realistic View |
| Rich makes any coffee excellent | Bean quality still matters |
| A 12-cup machine brews quickly | Larger batches may take longer |
| A warming plate preserves fresh taste | Heat and time can affect flavor |
| A reusable filter needs no care | Regular rinsing is still needed |
Does It Take Up Much Counter Space?
The CE251 is not a tiny coffee maker.
Published measurements vary slightly by source, but the machine is roughly 14 inches tall and around 8–10 inches wide, depending on how dimensions are recorded.
Before placing it under a cabinet, check the exact dimensions in the current product manual or listing.
The height matters more than many people expect. You may have enough counter width but still struggle to fill the water tank comfortably.
Ninja CE251 Review: Best Coffee and Brewing Habits
The coffee maker matters, but your coffee routine matters too.
Even a capable drip brewer can produce disappointing results when the grounds are stale or the coffee-to-water ratio is inconsistent.
Choose the Right Grind Size
Drip coffee makers generally work well with a medium grind.
Very fine grounds can slow water flow and may produce a bitter or muddy cup. Very coarse grounds can result in weak extraction.
| Grind | Possible Result |
| Too fine | Bitter taste or slow flow |
| Medium | Good starting point for drip coffee |
| Too coarse | Weak or under-extracted flavor |
Start with a medium grind, then adjust based on taste.
Use Fresh Coffee and Clean Water
Fresh coffee grounds can make a noticeable difference.
If your coffee tastes flat, do not immediately blame the machine. Check the age of the beans, how you store them, and the quality of your water.
A simple routine is often more helpful than constantly changing settings.
Do You Need the Small Batch Setting?
The CE251 supports small-batch brewing for one to four cups. Independent testing identifies this as a useful feature for people who do not need a full pot.
If you live alone or drink coffee at different times of the day, the setting may help reduce waste.
However, I would still test the amount of coffee grounds needed for your preferred strength. Do not assume the machine’s scoop size will match your personal taste.
Ninja CE251 Review: Who Should Buy It?
The CE251 makes the most sense for people who want a programmable drip coffee maker rather than a specialty coffee setup.
It is designed around convenience, batch brewing, and straightforward controls.
Best Fit for These Coffee Drinkers
| User | Why It May Fit |
| Families | Large carafe for shared coffee |
| Busy workers | Scheduled brewing |
| Everyday coffee drinkers | Simple drip brewing |
| Small households | 1–4 cup setting |
| Budget-conscious buyers | Useful features without advanced controls |
The model may be less suitable for someone who wants espresso, a built-in milk frother, or a thermal carafe.
Who Might Want Another Coffee Maker?
Consider other options if you:
- Prefer single-serve pods.
- Need coffee to stay hot for hours without a warming plate.
- Want advanced temperature controls.
- Prefer a compact machine for very limited counters.
- Enjoy manually controlling every stage of brewing.
The right choice depends on your habits, not just the number of features listed on the box.
Ninja CE251 Review: Pros and Cons
After reviewing its published features and independent testing, the CE251 has a clear set of strengths and limitations.
The biggest appeal is its balance of convenience and flexibility. The biggest concerns involve brewing time, glass-carafe heat retention, and the limits of its strength settings.
| Pros | Cons |
| Programmable 24-hour brewing | Can be noisy during brewing |
| Removable water reservoir | No thermal carafe |
| Classic and Rich modes | Rich setting may have a subtle effect |
| Small-batch brewing | Full batches may take longer |
| Dishwasher-safe removable parts reported | Glass carafe needs careful handling |
| Easy-to-use controls | Takes up vertical counter space |
The pros and cons above combine published product features with observations reported by independent reviewers.
Ninja CE251 vs. a Basic Drip Coffee Maker
Is the CE251 worth considering if you already own a simple coffee maker?
The answer depends on which features you actually use.
A basic machine may be enough if you only need one switch and a pot of coffee. The CE251 adds programmable brewing, brew-strength selection, a removable reservoir, and small-batch support.
| Feature | Basic Drip Maker | Ninja CE251 |
| Scheduled brewing | Often limited or absent | Yes |
| Strength options | Varies | Classic and Rich |
| Small batch | Depends on model | 1–4 cups |
| Removable tank | Varies | Yes |
| Glass carafe | Common | Yes |
The comparison is general rather than a test of one specific competing machine.
If you already own a coffee maker that meets your needs, upgrading only makes sense when the CE251’s additional features solve a real problem.
Frequently Asked Questions About the Ninja CE251
These questions cover common concerns when deciding whether the CE251 fits your coffee routine.
Is the Ninja CE251 a Good Coffee Maker?
The Ninja CE251 offers programmable brewing, two brew styles, and a removable water reservoir. Independent testing found good coffee quality, but results depend on beans, grind, and personal taste.
Does the Ninja CE251 Make Strong Coffee?
Yes, the CE251 includes a Rich brew setting designed for stronger coffee. Independent testing found that the difference from Classic was relatively small, so coffee grounds and water ratios still matter.
Can the Ninja CE251 Brew Small Batches?
Yes. The Ninja CE251 includes a small-batch setting for brewing one to four cups. Use the setting when you need less coffee than a full carafe.
Does the Ninja CE251 Have a Programmable Timer?
Yes. The CE251 includes a 24-hour delay brew function. You can schedule coffee in advance, which may help simplify your morning routine.
Is the Ninja CE251 Easy to Clean?
The CE251 includes a cleaning function, and independent testing reported that many removable parts are dishwasher-safe. Follow the current manual for cleaning and descaling instructions.
Does the Ninja CE251 Have a Thermal Carafe?
No. The CE251 uses a glass carafe and warming plate. If you prefer an insulated carafe, you may want to consider another model.
Final Thoughts
The Ninja CE251 Review points to a practical drip coffee maker for people who want programmable brewing without a complicated interface. Its removable reservoir, small-batch setting, and Classic and Rich options make it more flexible than a very basic coffee machine.
However, I would keep expectations realistic. The glass carafe relies on a warming plate, brewing can take time, and the Rich setting may not create a dramatic change in flavor. Independent testing provides useful evidence, but your coffee preferences should guide the final choice.
If you want a straightforward machine for daily drip coffee and occasional full pots, the CE251 is worth investigating. Check its current price, dimensions, and availability before purchasing, then choose based on how you actually drink coffee—not just how many buttons the machine has.
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