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7 Best Coffee Makers for Hard Water with Water Filter

Coffee lovers know well that it is mostly water. When hot water is blended with fresh coffee grounds, a wonderful scent circulates and a hot caffeine-packed beverage emerges.

Because your morning coffee relies significantly on the water it utilizes, many people choose hard water to receive not just the kick but also minerals. The only question is, which coffee maker is best for hard water?

This article will discuss the 7 best coffee makers with water filters.

7 Best Coffee Makers for Hard Water

Top Choice – Mr. Coffee 12-Cup Coffee Maker

Mr. Coffee is an enormous brewer if you have a group of people and want to make 12 cups of coffee right away. Brews 20% quicker than the competition, sets brew time ahead, and more.


It has a slew of additional features that make your life simpler, your coffee tastes better, and your wallet — heavier. Heavier because, although this coffee maker is inexpensive on its own, it also actively saves you money with its added functions.

After rigorous testing, the organization ensures that you will be able to experience a 20 percent speedier brewing technique.


Users have reported one issue with this coffee machine. You will not find any water indication on the carafe. While not a serious issue, we can understand how it may be a little irritating.


  • Large storage capacity.
  • Brewing time is short.
  • Permanent filtration.
  • Delay Brew and other features


  • There is no water indication.

Runner Up – Hamilton Beach FlexBrew Coffee Maker

Hamilton Beach FlexBrew Coffee Maker has excellent brewing versatility. There are two brewing techniques to accommodate every sort of coffee and amount, making it an ideal solution for a household with many coffee enthusiasts.


This machine includes two easy-to-fill reservoirs with clear water windows so you can simply regulate the quantity of water you add to the tank.


One important disadvantage of the Hamilton Beach is the slow mechanism for single-cup side brews, and the machine also has a short cord.

Because the carafe does not keep the coffee hot for long, several customers want the model to have a hot plate.

There are also reported concerns with difficulty in opening the lid, which does not always open when it should, resulting in spillage.


  • Good for making coffee with hard water
  • There are two brewing techniques to accommodate any type of coffee and amount.
  • Reservoirs featuring glass water windows that are simple to fill
  • Programmable brew time
  • Automatic pause and serve mechanism
  • A permanent filter is used to keep discoloration to a minimum.


  • The lid is a little fragile.

Best Budget – CHULUX Single Serve Coffee Maker Brewer

The CHULUX Single Serve Coffee Maker is well-liked because it combines a one-cup coffee maker with a cleaning mechanism that, if cleaned every few weeks, can manage scale buildup.


First, it has a versatile design that can use either coffee grounds or coffee pods to make a tasty cup of coffee. It has an easy-to-use single on/off feature, so you won’t waste time attempting to set it up.

The CHULUX coffee machine is ideal for coffee enthusiasts who prefer k-cups but have hard water. This variant is likewise long-lasting, small, and portable. It also brews rapidly (2–3 minutes) and comes in various colors to fit your kitchen decor.


The model’s flaws include a weak retaining plate and a filter that isn’t robust enough to keep coffee grinds from dropping into the coffee.

Other consumer concerns center on the requirement to measure the amount of water used in the coffee maker. The machine has no see-through side, making it difficult to detect how much water is inside.


  • Flexible design for use with both ground coffee and coffee pods
  • A single on/off switch
  • Removable filter to keep the grounds out
  • BPA-free materials and food-grade
  • The heating element is 800W.
  • Affordable


  • There is no transparent window.

High-end – Cuisinart DCC-2650P1 Extreme Brew 12-Cup Programmable Coffeemaker

This coffee maker for hard water has everything else you might desire in a coffee maker. The coffee you prepare with this 12-cup coffee maker will taste better no matter what sort of water you use since it contains a water filter that can be removed and replaced.


The cleaning indication light alerts you when there is excessive mineral buildup. The self-cleaning feature, which should be used with a vinegar and water solution, makes this model ideal for hard water houses.

This coffee maker includes a simple auto-shutoff option and can be set to brew at any time. The carafe consists of three heat settings to keep your coffee warm throughout the morning, and the brew strength controls let you achieve the perfect cup of coffee.

The regular model comes with a glass carafe, but a thermal carafe is also available to keep your coffee warm all day.

Thanks to its redesigned brewing technology, the machine can serve a fresh cup of coffee up to 25% quicker than comparable competitors. This coffee maker is for you if you can’t wait for your coffee. A full 12-cup carafe is delivered in around 9 minutes.

This machine filters pollutants and other residues from hard water because of its charcoal filter. Those who live in cities with hard water may be confident that this coffee maker will provide them with the cleanest and most excellent flavor.

Thanks to its brew-pause option, it lets you enjoy your coffee while it is still brewing. Like the previous generation, this concept offers a fully automated 24-hour programmability and a 60-second reset mode.


However, we put it here rather than second or third place since it is significantly more expensive than the former.

Cuisinart enters the high-end coffee machine market with a price tag of more than $100. Unfortunately, the build does not reflect this.


  • The re-engineered brewing technology allows for a 25% quicker brewing procedure.
  • Brew-pause technology and a one-of-a-kind filter with charcoal
  • The large showerhead facilitates adequate coffee saturation.
  • Hotplate with temperature control.


  • Relatively expensive

BUNN BX Speed Brew Classic 10-Cup Coffee Maker

If you are a user who values dependability and quality, Bunn is the brand for you.


As the name implies, this coffee maker is the fastest, with a brewing time of 3 minutes and a carafe big enough for 10 people while maintaining coffee at an ideal temperature.

Its unique spray-head guarantees that your coffee is poured cleanly into the container rather than on your surface.

One of the Bunn BX’s greatest features is its warming plate which is porcelain-coated. The coffee brewer has a lot of power and compatibility. Because it’s made entirely of metal, the weight is substantial and difficult to match.

The double-walled and vacuum-sealed thermal carafe keeps coffee hot for 2 hours. Stainless steel makes up the internal water heating element. As a result, the water stays hotter for longer. It also uniformly distributes heat to avoid any lag or delay in extraction.


The most important drawback we discovered with the Bunn BX was the extensive maintenance required for good operation. You’ll probably have to clean it more often to keep it in good condition.

It doesn’t have an automated shut-off option which can be very irritating for many people.


  • A good size for a living room.
  • Very powerful.
  • Excellent design.


  • Expensive.
  • Manual shut down

HAMSWAN Drip Coffee Maker AD-103

It is a compact, functional, and affordable piece of equipment. Coffee lovers like the simplicity of this model, which has few moving components and fewer controls.


The specialty is that this coffee maker does not have a reservoir, so the water that goes in is the water that comes out. It also includes readily replaceable pieces for simple cleaning.

It can prepare 10 cups of coffee in 6 minutes is also a benefit.


Some users reported that the pump is operating intermittently, and the units are shutting down after only a few usages.


  • Sleek design
  • An affordable piece of equipment.
  • Best drip


  • The lid is not firmly gripped.

Cuisinart DCC-1150BK Classic Thermal Programmable Coffee Maker

This kind of Cuisinart coffee maker is popular because to its double-walled thermal carafe and brew-pause feature. The DCC-1150BK includes a self-cleaning function, which is ideal for coffee drinkers who use hard water.


The charcoal filter and the permanent gold-tone filter work together to keep particles from the carafe. The stainless steel carafe keeps the coffee hot.

You may not realize it, but charcoal is a perfect water filter because it can remove toxins and prevalent pollutants in hard water. This gadget provides a fresh coffee cup with hot water and protects your health from harmful chemicals.


The Cuisinart is flawed because the water reservoir is too tiny, resulting in coffee spillage.

There have been complaints of the carafe handle separating from the glass, the carafe’s fill line being positioned on the rear and difficult to see, and some users being frustrated with the auto-timer function.


  • One-of-a-kind filter with charcoal and permanent gold-tone 100 percent automated 24-hour programmability
  • Reset mode for 60 seconds
  • Brew-pause innovation
  • The compact form is ideal for small places.


  • Pricey

How to Choose a Hard Water Coffee Maker

Everyone likes hot coffee. Make sure your machine has heating. Hot water enhances the bean-to-cup coffee taste. Some versions also offer a cold brew option for cold coffee in hot weather.


If you’re busy, use programmability. You may get freshly made coffee every morning with no effort required.


Filtration is another must-have feature for hard water coffee makers. It traps chlorine and minerals to improve coffee’s flavor.

Glass carafe

The glass carafe enhances the coffee maker’s appearance. A hot plate keeps coffee warm.


We recommend getting coffee makers for their warranties. You can receive support when needed.


When selecting a coffee maker, the cost is a factor. There are many pricey, extra-featured items. This expensive equipment may be overkill. Choose a machine that meets your coffee needs.

You may like: Which is Better: Manual or Electric Coffee Grinder?

FAQs About Hard Water and Coffee Maker

Does hard water affect the coffee makers?

Hard water can cause limescale accumulation, altering the flavor of your coffee and causing irreparable damage to the machine if not cleaned often and thoroughly.

How do you get rid of hard water in a coffee maker?

Pour 1/2 cup lemon juice and 1/2 cup water into the coffee maker. Allow it to soak for around 15 minutes before running the machine.

This process will allow the device to break down oils and light coatings of mineral deposits from hard water. If using fresh lemons, save the rinds.

What is the best water hardness level for the coffee machine?

People advocate hardness above 35ppm and below 85ppm for the best outcomes. Checking your water hardness is critical since hard water can create excessive scale building within your machine.

How do I prevent limescale in my coffee maker?

Because we know that limescale is left behind by the water your machine consumes, there is a simple approach to prevent limescale from forming in the first place.

Simply installing a water filter or Calcium Treatment Unit can help avoid a significant limescale build-up. Filtered water also makes excellent coffee!


You’ve read our best coffee maker for hard water reviews. In brief, before you make your final decision, you should carefully evaluate essential factors such as brew temperature, filtration system, and budget.

Regarding our recommendations, we feel they will provide you with a satisfying, tasty cup of coffee, primarily if you reside in places with hard water since they all come with a superb filter.

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I’m Jennifer Schlette, a Registered Dietitian and Integrative Nutrition Health Coach. I love cooking, reading, and my kids! Here you’ll find the healthiest recipes & substitutions for your cooking. Enjoy, and be well, friends!

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