Ninja CP307 Hot and Cold Brewed System with Auto-IQ - Excellent Coffee and Tea Maker for Versatility

Published on July 20, 2023, 10:15 a.m.

Coffee Culture and History

Coffee, as a beverage, has deeply embedded itself in cultures around the world. It’s not just a drink but also a symbol of socialization and a medium for cultural exchange. From the highlands of Ethiopia to the coffeehouses of Italy, coffee culture manifests in diverse ways across different regions.

The history of coffee dates back to the 9th century, where it was first discovered by a shepherd in Ethiopia. Legend has it that he noticed his goats became energetic after eating the berries from a certain tree, prompting him to try brewing them himself, thus discovering the miraculous effects of coffee. Subsequently, coffee spread to the Arabian Peninsula, becoming a popular beverage in the Islamic holy city of Mecca. From then on, coffee began its journey to global popularity.

For coffee and tea lovers who want versatility and customization for their daily caffeine fix, the Ninja CP307 Hot and Cold Brewed System is an excellent choice. This innovative machine offers a wide range of brew sizes, from a single cup to a full 50-oz thermal carafe, and can make both coffee and tea with optimized temperature and steeping. With advanced technology like Smart Basket Recognition and Auto-IQ, it takes the guesswork out of brewing. Read on for a full rundown of this machine’s features, pros and cons, and performance.

Ninja CP307 Coffee Maker


The Ninja CP307 Coffee Maker is a premium coffee and tea maker that gives you complete control over your brew. It has separate baskets for coffee grounds and loose tea, and automatically recognizes which one you insert, displaying the appropriate brewing options. You can choose from 6 sizes, ranging from a 9.5-oz single cup to a 50-oz full carafe. It also has 5 brew styles to optimize different drinks: Classic, Rich, Over Ice, Cold Brew, and Specialty. For tea, you simply select the type - black, herbal, oolong, etc. - and it will use the ideal water temperature and steeping time.

Key Features:

  • Auto-IQ One-Touch Intelligence
  • Advanced Thermal Flavor Extraction
  • Separate Coffee and Tea Baskets
  • Smart Basket Recognition
  • 6 Brew Sizes from Single Cup to Full Carafe
  • 5 Brew Styles including Cold Brew and Specialty
  • Customizable Tea Steeping
  • 50 oz Double-Walled Stainless Steel Thermal Carafe
  • Integrated Hot and Cold Frother
  • Dishwasher Safe Parts
  • Delay Brew and Keep Warm Modes

Design and Build Quality

The Ninja CP307 Coffee Maker has a modern, sleek design with a black and stainless steel finish. The brewer takes up a 11 x 12 inch footprint, so it fits well on most countertops without occupying too much space.

The overall build quality is excellent. The water reservoir, thermal carafe, baskets, and parts feel sturdy and durable. The buttons have a nice tactile click, and the menus are easy to navigate on the digital display.

Ease of Use

Using the Ninja CP307 Coffee Maker is straightforward and intuitive. The color-coded baskets make it easy to switch between coffee and tea. Just select your brew size, style, and preferences on the digital menu. The flow-through design allows you to pour water and coffee in one side and brew directly into your cup or carafe below.

Programming the Ninja CP307 Coffee Maker to have your coffee ready in the morning is a breeze with the delay brew function. The auto-shutoff ensures you never have to worry about turning it off.

Coffee and Tea Quality

The Advanced Thermal Flavor Extraction technology in the Ninja CP307 Coffee Maker really shines when it comes to flavor and aroma. The hot coffee comes out incredibly smooth and balanced without any bitterness. Iced coffee is bright and refreshing without becoming watered down over ice.

It also excels at brewing loose leaf tea at the optimal temperature for black, green, oolong, herbal, and white varieties. The tea comes out with wonderfully complex flavors.

Iced Coffee and Cold Brew

While you can brew hot coffee or tea over ice, the Ninja CP307 Coffee Maker also has a Cold Brew setting that steeps grounds or tea at lower temperatures for 12-15 hours. This produces a naturally sweet flavor. So you get the best of both worlds - authentic iced coffee/tea as well as smooth cold brew.

Coffee Making Principles

Understanding the principles behind coffee making can enhance the use of a coffee machine. The process of making coffee involves several steps:

  1. Grinding Coffee Beans: The texture of ground coffee beans significantly impacts the taste and flavor of the coffee. Coarse grounds are suitable for French press, while fine grounds are ideal for drip coffee makers.

  2. Brewing Process: Coffee machines brew coffee by passing hot water through coffee grounds, extracting solubles and aromas. Factors like temperature, water pressure, and brewing time are crucial for coffee flavor.

  3. Extraction of Coffee: After brewing, coffee is filtered to separate grounds from the liquid, resulting in pure coffee extract.

  4. Adjusting Flavor: According to personal preference, milk, sugar, or other flavorings can be added to adjust the taste and flavor of coffee.

Brewing Flexibility

One of the Ninja CP307 Coffee Maker’s biggest strengths is its versatility. No matter your caffeine needs for the day, this machine has you covered. The Smart Basket Recognition takes the guesswork out of brewing either coffee or tea. When you insert the grounds basket, it displays coffee brew options, and switches to tea options when you use the tea basket. You also get a huge range of sizes - single cup, XL single cup, travel cup, XL travel cup, half carafe, and full carafe.

Advanced Brewing Technology

Ninja’s Thermo-Flavour Extraction and Auto-IQ deliver optimized flavor extraction and brewing. The Ninja CP307 Coffee Maker soaks the coffee grounds to bloom the flavors before brewing. Auto-IQ handles the timing of the bloom phase and full brew automatically. The Specialty Brew setting lets you brew an extra-strong concentrate to combine with frothed milk for coffeehouse-style drinks.

Ninja CP307 Hot and Cold Brewed System

High-Quality Carafe

The 50-oz double-walled stainless steel thermal carafe included keeps coffee hot for 2 hours without a warming plate. It has a wide mouth for easy pouring. The insulation preserves flavors and removes the burnt coffee taste you can get from extended heating. For tea, the airtight seal prevents oxidation.

Milk Frother

The built-in Hot and Cold Frother folds down when not in use and froths milk in seconds for specialty drinks like lattes and cappuccinos. It handles hot or cold milk with equal ease.

Cleaning and Maintenance

The Ninja CP307 Coffee Maker excels not only in making coffee and tea but also in being easy to clean and maintain. Here are some key cleaning and maintenance tips to ensure your coffee maker stays in top condition:

  • Regular Cleaning of Filters and Water Reservoir: Regularly cleaning the filters and water reservoir of the coffee maker is crucial to maintaining optimal performance. Wash these components with mild soapy water and rinse thoroughly to remove any residues and deposits.

  • Periodic Descaling: Due to the accumulation of minerals and limescale from water, it’s recommended to descale the coffee maker every 3 to 6 months. You can use a dedicated descaling solution or white vinegar to clean the coffee maker, ensuring the cleanliness and good condition of internal parts.

  • Prompt Removal of Residues: After each use, make sure to remove any residues from the coffee maker and accessories. This will prevent the buildup of residues and ensure that the taste of coffee and tea is not affected the next time you use it.

These simple cleaning and maintenance steps will help you maintain the performance of your Ninja CP307 Coffee Maker and prolong its lifespan.

Dishwasher Safe

The water reservoir, baskets, lids, and frother attachment are all top-rack dishwasher safe for easy cleanup. The thermal carafe should be hand washed.

Who It’s For

The Ninja CP307 Coffee Maker is ideal for coffee and tea lovers that want the versatility of single serve and full carafe capacity. It’s perfect for households where people have different drink preferences. The tea settings, iced coffee, and hot/cold frother make it great for specialty drink lovers. It’s also a smart choice for those looking to move from pod brewers to fresh grounds.

Ninja CP307 Hot and Cold Brewed System

User Feedback Analysis

The Ninja CP307 coffee maker has received overwhelmingly positive reviews, with an average rating of 4.6 out of 5 stars across thousands of customer reviews. Many users praise the machine for its versatility, ease of use, high-quality drinks, and durability.

However, a few common issues were reported in negative reviews:

  • Leaking water reservoir - Some users experienced leaks where the reservoir connects to the machine. This seems to be due to faulty rubber seals. Cleaning or replacing the seals can fix the problem.

  • Ground coffee leakage - Using very fine coffee grinds can sometimes lead to leakage around the filter basket. This issue can be solved by using slightly coarser grounds or adding a spacer in the filter basket.

  • Tall height - The 15 inch height of the Ninja CP307 Coffee Maker makes it difficult to fit under cabinets. Make sure you have adequate overhead space.

Overall though, most negative reviews focused on isolated issues rather than widespread defects. Satisfied customers greatly outnumbered critical reviews.


  • Makes great tasting coffee and tea
  • Separate baskets prevent flavor transfer between coffee and tea
  • Wide range of brew sizes from single cup to full carafe
  • 5 brew styles: Classic, Rich, Over Ice, Cold Brew, Specialty
  • Advanced technology like Smart Basket Recognition and Auto-IQ
  • Built-in milk frother for lattes, cappuccinos etc.
  • 50 oz double walled thermal carafe keeps coffee hot for 2 hours
  • Delayed brew and keep warm features
  • Easy to program with intuitive controls
  • Dishwasher safe parts for easy cleaning


  • Large footprint takes up significant counter space
  • No water filter included
  • Requires coarse coffee grind for optimal flavor
  • Fingerprint prone plastic exterior

 Ninja CP307 Hot and Cold Brewed System


At around $130, the Ninja CP307 Coffee Maker provides tremendous value for a high-end coffee and tea maker. It produces cafe-quality drinks at a fraction of the cost of pods or going to coffee shops. The thermal carafe, dishwasher-safe parts, and durable construction ensure years of reliable use to justify the initial investment. Given all the features and convenience it provides, the Ninja CP307 Coffee Maker is a worthwhile purchase for avid coffee and tea drinkers.


For anyone seeking a flexible, programmable coffee maker that can produce cafe-quality drinks at home, the Ninja CP307 Coffee Maker is a great choice. With customizable options for brew size and style for both coffee and tea, it enables you to control your perfect cup. Convenient features like automatic basket recognition and an integrated milk frother increase ease of use. While the design may not appeal to all tastes, the Ninja CP307 Coffee Maker delivers where it counts - making delicious coffee and tea with every brew.


  • Brewing Technology: Advanced Thermal Flavor Extraction

  • Brew Types: Hot Brew, Cold Brew, Specialty Brew

  • Brew Sizes: Cup (9.5 oz), XL Cup (14 oz), Travel Mug (16 oz), XL Travel Mug (18 oz), Half Carafe (25 oz), Full Carafe (50 oz)

  • Water Reservoir Capacity: 60 oz removable

  • Thermal Carafe Capacity: 50 oz (10 cups)

  • Coffee Filter Type: Reusable permanent filter (included)

  • Tea Filter Type: Reusable permanent filter (included)

  • Control Panel: Digital buttons

  • Customizable Settings: Brew Strength, Brew Size, Brew Type, Temperature, Steeping Time, Warming Plate Time, Altitude

  • Other Features: Delay Brew, Fold-away Frother, Hot and Cold Frothing

  • Dimensions: 10.01” D x 11.81” W x 15” H

  • Weight: 11.73 lbs

  • Power: 1500 watts

  • Material: Plastic, Stainless Steel, Glass Carafe or Thermal Carafe

  • Cord Length: 26 inches

  • Warranty: 1 year limited

  • Manufactured: China

  • Available Colors: Black/Silver, White/Silver

  • Compatible Accessories: Ninja Coffee Bar Thermal Carafe, Ninja Coffee Bar Glass Carafe, Ninja Coffee Scoop, Ninja Descaling Solution

Ninja Hot & Cold Brew System

Box Includes:

  • Ninja Hot & Cold Brew System
  • 50 oz Double-Walled Thermal Carafe
  • Separate Coffee and Tea Brew Baskets
  • Coffee and Tea Permanent Filters
  • Removable 80 oz Water Reservoir
  • Ninja Smart Scoop
  • Fold-Away Frother

How to Use:

  1. Fill water reservoir and insert into brewer
  2. Place filter basket into brewer, insert coffee grounds or tea
  3. Select your brew size and style on control panel
  4. Press Auto-iQ Brew button to start brewing
  5. Carafe lid opens automatically to dispense brewed coffee/tea
  6. Select milk type and use frother attachment to make specialty drinks

Frequently Asked Questions

Q1: Can the Ninja CP307 Hot and Cold Brewed System make espresso?

A: While the Ninja CP307 Hot and Cold Brewed System offers a “Specialty” brew setting, it does not produce true espresso. Espresso requires very high pressure to extract a concentrated coffee shot, which this machine is not designed for. However, the “Specialty” setting does create a stronger coffee concentrate that you can combine with hot or frothed milk for a latte-like beverage.

Q2: Does the brewing process include a pre-soaking or “bloom” phase?

A: It seems from the product description that the Ninja CP307 Hot and Cold Brewed System does incorporate a bloom phase during its brewing cycle. This is a desirable feature, especially for specialty coffee enthusiasts, as it allows the coffee grounds to release trapped gases before full saturation, improving flavor extraction.

Q3: What is the capacity of the included carafe?

A: The thermal carafe version of the Ninja CP307 Hot and Cold Brewed System includes a 50 oz (10-cup) carafe. Keep in mind that a standard “cup” of coffee in the US is often measured at 5 oz rather than the more traditional 8 oz.

Q4: Can I use the Ninja CP307 Hot and Cold Brewed System to dispense hot water for other purposes like instant oatmeal or cocoa?

A: Yes! The Ninja CP307 Hot and Cold Brewed System has the functionality to brew hot water without the need for coffee or tea. This makes it a versatile kitchen appliance for various uses.

Q5: Is the Ninja CP307 Hot and Cold Brewed System dishwasher safe?

A: Several components of the Ninja CP307 Hot and Cold Brewed System are dishwasher safe (top rack only). These include the water reservoir, frother whisk, brew-through lid, coffee and tea permanent filters, removable filter holders, flip-top lid, and scoop. It’s important to note that the thermal carafe should be hand-washed only.


  • Explore brew strengths: The Ninja CP307 Hot and Cold Brewed System offers customization options like “Classic”, “Rich”. “Over Ice”, and “Cold Brew”. Experiment to find your preferred strength profiles.

  • Utilize the included scoop: Make use of the provided measuring scoop to ensure the correct coffee-to-water or tea-to-water ratio, guaranteeing consistent results.

  • Milk frothing tips: For optimal frothing results, start with cold milk. Experiment with different types of milk (whole, skim, plant-based) to find your preference for both flavor and frothing capability.

  • Regular cleaning: To maintain optimal performance and fresh-tasting beverages, clean the filter baskets, water reservoir, and frother regularly.