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BLACK+DECKER CM2046S 12-Cup Thermal Coffee Maker Review: No Hot Plate, No Burnt Coffee

The BLACK+DECKER CM2046S 12-Cup Thermal Coffee Maker is a programmable thermal brewer with well-liked coffee, best for morning coffee drinkers. Rated 4.2 out of 5 across 5,197 user ratings. The main drawback: heat retention gets mixed reports. We scored it 4.2 out of 5.

By Whimsical Pris, Kitchen Editor Published December 19, 2025 Updated September 26, 2026
4.2Our score
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Product gallery, 15 images
$62.99 Check price on Amazon

Prices shown were correct on September 26, 2026 and change frequently.

TL;DRThe Short Answer: Is the BLACK+DECKER CM2046S 12-Cup Thermal Coffee Maker Worth It?

Owners rave about the coffee this BLACK+DECKER makes, but they are split on how long the thermal carafe keeps it hot. The CM2046S swaps the usual warming plate for a 4-layer vacuum carafe rated to keep coffee hot for up to two hours, adds a 24-hour auto-brew timer and a strength selector, and spreads water over the grounds with its VORTEX showerhead. Check your cabinet height and whether a filter is in the box before the first brew.

NoFussDeal rates the BLACK+DECKER CM2046S 12-Cup Thermal Coffee Maker 4.2 out of 5 at $62.99. Last updated September 26, 2026.

Key Facts

Capacity
12 cups
Product Dimensions
9"D x 9.4"W x 13.2"H
Wattage
800 watts
Voltage
120 volts
Material
Stainless Steel
Color
Black

What Stands Out

  1. 4-layer vacuum-sealed thermal carafe, rated to keep coffee hot up to two hours with no warming plate
  2. 24-hour programmable auto-brew with auto shut-off
  3. Brew Strength Selector for a slower, richer brew or a classic, smooth one
  4. VORTEX showerhead spreads water across the whole grounds bed
  5. No-drip Perfect Pour spout

Strengths and Drawbacks

What works

  • Consistently excellent coffee
  • Vacuum carafe keeps coffee hot without a hot plate burning it
  • Easy overnight programming with a 24-hour timer
  • Strength selector for a bolder brew
  • Side-mounted power button and a no-drip pour spout

What does not

  • Heat retention gets mixed reports
  • Display is hard to read, with no backlight
  • Some owners received no filter in the box
  • Can leak on early brews if the carafe is not fully seated
  • Tall enough that the lid may not open under low cabinets

Features in Depth

01

VORTEX Technology Spray Head

Extraction Method Showerhead-style VORTEX spray head Coffee Quality Consistently praised by owners Filter Type Reusable, size #6

BLACK+DECKER's showerhead-style VORTEX spray head is the mechanism doing the real work here: instead of a single stream dribbling into the center of the grounds, water is distributed across the whole filter bed at once. Drip coffee makers live or die on even saturation — if water channels through one spot, that path gets over-extracted (bitter) while the rest of the puck stays dry and under-extracted (weak, sour). A showerhead design is the standard fix used across the mid-range drip category, and BLACK+DECKER leans on it as the CM2046S's headline feature bullet: an exclusive showerhead design meant to evenly saturate the grounds for optimal extraction. It holds up in practice: the coffee itself and overall brewing performance are the machine's clearest strengths. The machine takes a #6 filter and BLACK+DECKER specifies a reusable one, which suits the spray pattern, since an evenly wetted bed matters most when water has to pass through a permanent mesh basket. Read 'optimal extraction' as BLACK+DECKER's own framing; the stronger evidence is how consistently good the cup is.

$62.99 4.2/5 Check price
02

4-Layer Vacuum-Sealed Thermal Carafe

Heat Retention Claim Up to 2 hours, no warming plate Heat Retention (owners) Mixed reports Carafe Construction 4-layer vacuum-sealed, double-walled stainless steel

The CM2046S skips the glass carafe and warming plate most budget drip makers use, and that choice matters more than it looks. A hotplate keeps coffee hot by continuously cooking it, which is why coffee left on a warmer for an hour tends to taste burnt and flat. BLACK+DECKER instead uses a double-walled, vacuum-sealed stainless steel carafe, the same principle as a good thermos, and says it keeps coffee hot for up to two hours with no plate involved. That two-hour figure is the carafe's entire selling point. Owners are split on it, though, which matters on a feature sold as the headline benefit. Several report coffee still hot hours after brewing and like that it never tastes burnt; enough others are less impressed that the result is not universal. Warming the carafe with hot water before brewing can help it hold heat longer.

$62.99 4.2/5 Check price
03

Programmable Brewing with Brew Strength Selector

Auto Brew Window 24-hour programmable timer Power 800 watts / 120 volts Ease of Use Praised by owners

Two separate controls sit behind this feature. The first is a 24-hour programmable auto-brew timer with auto-shutoff — set a fill time the night before and the CM2046S starts and stops on its own, a standard convenience that removes the "did I turn it off" worry (moot anyway, since this model has no hotplate to leave on). The second is the Brew Strength Selector, which BLACK+DECKER describes as choosing between a slower, richer brew or a classic, smooth taste. Mechanically, a strength selector on a drip machine works by slowing the water's contact time with the grounds — more contact time pulls more solubles out for a bolder cup, while the faster setting produces the lighter, classic profile. The unit runs on 800 watts at 120 volts and operates fully automatically via physical buttons rather than a touchscreen or app. Owners consistently call it easy to use, and some set it up at night so coffee is ready when they get up. The niggle that comes up is the display, which can be hard to read, with a small am/pm marker and no backlight.

$62.99 4.2/5 Check price
04

No-Drip Pour Spout and Everyday Build

Dimensions 9"D x 9.4"W x 13.2"H Capacity 12 cups Material Stainless steel, black finish

Past the headline features, the CM2046S is built for a specific countertop footprint and everyday household use rather than large-batch brewing. BLACK+DECKER gives the dimensions as 9 inches deep by 9.4 inches wide by 13.2 inches high. The footprint stays modest because there is no separate warming-plate base, but measure the height: the top may not open fully under low wall cabinets. It brews up to 12 cups, and BLACK+DECKER lists a reusable #6 filter in the box alongside the carafe, though it does not always make it into the box, so check on delivery. BLACK+DECKER designs the Perfect Pour spout for smooth, mess-free serving. Build materials are a stainless steel exterior with a black finish, and the whole unit is fully automatic, running on AC power at 800 watts / 120 volts rather than battery. Most owners are clearly happy with it, but a real minority are not, and value for money draws mixed opinions rather than praise.

$62.99 4.2/5 Check price

How We Scored It

Based on
The manufacturer's published specifications and the product's live Amazon listing.
Owner rating
4.2 out of 5 on Amazon, recorded September 26, 2026
How we score
We score each thing that comes up most in owner feedback on the BLACK+DECKER 12 Cup Thermal Programmable Coffee. Five things come up most in owner feedback: three draw praise and two split opinion. Its ratings average 4.2 stars (66% five stars, 13% four, 7% three and 14% one or two), so every score starts at 84, that average on a 100 point scale. Where opinion is split, we take off 6. Where it draws mostly complaints, we take off 12. Then we read six owner reviews in full (every one we found gave it four or five stars) and move the score up to 5 points either way depending on how the owners who mention it rated the product. Our overall score starts from the same 4.2 star average and loses 0.1 for each thing that draws mostly complaints, with 0.1 more when at least a tenth of ratings are one star, never more than 0.3 in all. Nothing comes off here, so it stays at 4.2. Read our editorial standards

Performance

The coffee maker's performance stands out. None of the six owner reviews we read mention it. Score 84: its 4.2 star average on a 100 point scale.

84Positive

Coffee Quality

BLACK+DECKER lists the coffee maker type as Drip Coffee Machine and the coffee input type as ground coffee. Five of the six owner reviews we read mention it. All of them gave the product four or five stars. Score 89: we started at 84 and added 5 because the owner reviews that mention it are positive.

89Positive

Ease Of Use

Two of the six owner reviews we read mention it. All of them gave the product four or five stars. Score 89: we started at 84 and added 5 because the owner reviews that mention it are positive.

89Positive

Coffee Heating

BLACK+DECKER lists the wattage as 800 watts. Five of the six owner reviews we read mention it, and those owners gave the product four or five stars, so the complaints come from the wider group of buyers. None of the reviews we read say what goes wrong, so this score rests on the buyer ratings. 21% of all ratings are three stars or fewer, which is where complaints like this usually sit. Score 78: w…

Read the full note (456 characters)

BLACK+DECKER lists the wattage as 800 watts. Five of the six owner reviews we read mention it, and those owners gave the product four or five stars, so the complaints come from the wider group of buyers. None of the reviews we read say what goes wrong, so this score rests on the buyer ratings. 21% of all ratings are three stars or fewer, which is where complaints like this usually sit. Score 78: we started at 84 and took off 6 because opinion is split.

78Mixed

Owner Satisfaction

66% of ratings are five stars and 13% are four. 7% are three stars and 14% are one or two. A sizable share of ratings sit low, so weigh the drawbacks below as heavily as the praise. Score 84: its 4.2 star average on a 100 point scale.

84Mostly Positive

Value for Money

Three of the six owner reviews we read mention it, and those owners gave the product four or five stars, so the complaints come from the wider group of buyers. None of the reviews we read say what goes wrong, so this score rests on the buyer ratings. 21% of all ratings are three stars or fewer, which is where complaints like this usually sit. Score 78: we started at 84 and took off 6 because opini…

Read the full note (412 characters)

Three of the six owner reviews we read mention it, and those owners gave the product four or five stars, so the complaints come from the wider group of buyers. None of the reviews we read say what goes wrong, so this score rests on the buyer ratings. 21% of all ratings are three stars or fewer, which is where complaints like this usually sit. Score 78: we started at 84 and took off 6 because opinion is split.

78Mixed

Specifications

Size and weight

Capacity
12 cups
Product Dimensions
9"D x 9.4"W x 13.2"H

Power

Wattage
800 watts
Voltage
120 volts

Materials and warranty

Material
Stainless Steel
Color
Black

What Buyers Say

Based on 5,197 Amazon customer ratings, averaging 4.2 out of 5, recorded 12 September 2026. See the reviews on Amazon

5 stars 66%
4 stars 13%
3 stars 7%
2 stars 6%
1 stars 8%
★★★★★

Joni baloney

I am so happy to do a review about this coffee pot. I’m gonna tell you everything I love about it. I love the fact that it has a carafe. I love the fact that it has a button you can press to… Read it on Amazon
Joni baloney · August 13, 2026 · Verified
★★★★★

Simple is always best - Don't forget the filter basket!

I had a coffee maker from another well-known brand that was more expensive. The power button developed a mind of its own, so I replaced within the warranty window and the replacement develop… Read it on Amazon
Niki · June 27, 2026 · Verified
★★★★★

Great coffee, design and lasts forever.

This thing is an A+ for us. This is the same one that we have at out winter home and have had it for years. I makes great coffee and keeps it hot for hours. I am not sure if it is induction … Read it on Amazon
gizmo · June 13, 2026 · Verified
★★★★★

The Greatest Coffee Pot ever owned.

I’ve been using the BLACK+DECKER 12 Cup Thermal Programmable Coffeemaker for a while now, and I’m thrilled with how it’s transformed my morning routine and even my camping adventures.This is… Read it on Amazon
J.E. · July 6, 2025 · Verified
★★★★★

Great coffee, easy to use

I’ve had this coffee maker for several years now and I’m very satisfied. It has a 12 cup brew capacity which is plenty for us. It also fits well with our kitchen decor with the black on stai… Read it on Amazon
leila banner · August 15, 2026 · Verified
★★★★★

Excelente

Cumple con todo lo esperado. Tiene buena capacidad, prepara el café rápidamente, la temperatura es buena, la jarra mantiene el café caliente por el tiempo necesario, sólo calienta el agua al… Read it on Amazon
Enrique · August 17, 2026 · Verified

Setting It Up

  1. Check the Box and Rinse

    Confirm a filter is included, since it is sometimes missing, and the machine takes #6 filters. Wash the carafe and brew basket, then run a cycle of plain water to flush the machine.

  2. Check Clearance

    At 13.2 inches tall, the lid may not open fully under low wall cabinets. One owner solved this by putting the machine on a wheeled stand and rolling it forward to fill it.

  3. Preheat the Carafe

    Fill the carafe with hot water for a few minutes before brewing, as the instructions suggest, then empty it. Owners find this noticeably improves how hot the coffee stays.

  4. Add Water and Coffee

    Fill the reservoir to the cup line you want (each cup is about 5 ounces) and add ground coffee to the filter in the brew basket.

  5. Seat the Carafe Properly

    Push the carafe fully into place so it opens the drip-stop valve under the brew basket. Owners who saw leaks on their first brews traced them to this.

  6. Choose Strength and Brew or Program

    Pick the stronger setting if you want a slower, richer brew, then start brewing or set the 24-hour auto-brew timer so it starts on its own. The machine shuts itself off after brewing.

Common Questions

Does the BLACK+DECKER CM2046S's thermal carafe really keep coffee hot for two hours?

BLACK+DECKER says the 4-layer vacuum-sealed carafe keeps coffee hot for up to two hours without a warming plate. Several owners back this up, reporting coffee still hot hours after brewing and never scorched. Opinions on heat retention are mixed overall, though, so treat two hours as the brand's ceiling rather than a guarantee. Warming the carafe with hot water before brewing can help.

How many cups does the CM2046S brew, and will it fit my counter?

It brews up to 12 cups, and BLACK+DECKER gives the dimensions as 9 inches deep by 9.4 inches wide by 13.2 inches tall, with no warming-plate base adding to the footprint. Check the height against your wall cabinets, because the top may not open fully under low ones. It runs on 800 watts at 120 volts, fully automatic off AC power.

What does the Brew Strength Selector actually change?

It's a two-setting button: BLACK+DECKER describes one setting as a slower, richer brew and the other as a classic, smooth taste. Mechanically, slowing the water's contact time with the grounds pulls more solubles out for a bolder cup, while the faster setting produces the lighter profile.

What is VORTEX Technology, and does it actually improve the coffee?

It's BLACK+DECKER's name for a showerhead-style spray head that distributes water across the whole grounds bed instead of pouring into one spot, which helps avoid channeling (uneven extraction). It's the brand's headline feature. The coffee itself is the machine's most consistent strength, which suggests the design does its job in practice.

Does the CM2046S use paper filters or a reusable one?

BLACK+DECKER specifies a reusable filter sized for a #6 basket and lists a filter in the box with the carafe, so in principle no paper filters are needed. Some owners found their machine arrived without a filter and used paper ones instead, so check the box on delivery and keep a pack of #6 paper filters to hand if it is missing.

Is the BLACK+DECKER CM2046S good value?

For most buyers, yes. The large majority of owners are satisfied, and the praise centres on the coffee itself, the easy overnight programming and a carafe that never scorches coffee the way a hotplate does. A real minority are unhappy, and value for money draws mixed opinions rather than praise. Some leaking on the first brews can happen, and may stop once the carafe is seated fully under the brew basket.

On Video

6 videos

DETAILED REVIEW BLACK + DECKER 12 Cup Thermal Programmable Coffee Maker CM2046S HOW TO MAKE COFFEE

Just A Dad Videos
All videos
  1. DETAILED REVIEW BLACK + DECKER 12 Cup Thermal Programmable Coffee Maker CM2046S HOW TO MAKE COFFEE Just A Dad Videos
  2. Review BLACK+DECKER 12 Cup Thermal Programmable Coffee Maker Brew Strength & VORTEX Tech! Powertoolbuzz
  3. HOW TO DESCALE BLACK + DECKER 12 Cup Thermal Programmable Coffee Maker CM2046S WITH VINEGAR Just A Dad Videos
  4. DON'T BUY BLACK+DECKER 12 Cup Thermal Before Watching THIS VIDEO! (7 Reasons) Critical Reviews
  5. Unlock the Ultimate Coffee Experience: BLACK+DECKER 12 Cup Thermal Programmable Coffee Maker Review Everyday Innovations Hub
  6. BLACK+DECKER 12-Cup* Thermal Programmable Coffeemaker VORTEX Technology Brew Strength Review Wizard Review

The Verdict

4.2Out of 5

The CM2046S makes coffee owners genuinely love, and its vacuum carafe avoids the burnt taste a hot plate produces. Programming is easy, the strength selector works, and the side power button is a thoughtful touch. The carafe keeps coffee hot for a morning rather than a day, the display is hard to read, and a few units leak until the carafe is seated properly or arrive without a filter.

Who should buy it

  • Morning coffee drinkers who want a pot ready when they wake up
  • Households where people drink coffee at different times over a morning
  • Anyone replacing a hot-plate brewer that leaves coffee tasting burnt
  • Buyers who like the option of a stronger brew

A likeable programmable drip machine whose thermal carafe keeps coffee tasting fresh through a morning. Preheat the carafe, check for a filter in the box, and measure your cabinet clearance first.

Check price on Amazon

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