Iced / cold-brew function quality

Across reviews, the cold-brew output is repeatedly described as smooth, strong, and balanced, with many noting it produces concentrate meant to be diluted and stored for days to about two weeks.

Iced coffee capability is a clear plus: reviews describe a concentrate mode designed to be poured over ice, producing a strong, flavorful iced coffee rather than a watered-down cup.

Cold drinks are the Z10 headline feature. Reviews praise clean, low-bitterness cold extraction and the sheer variety of cold recipes (4050, 14546), but several caution it is not classic immersion cold brew and can read more like premium iced coffee or a lighter nitro-style drink depending on settings (4057, 14548).

The TrueBrew Over Ice feature is repeatedly praised for better-than-average iced coffee; reviewers also clarify it is not true cold brew and it will not make cold foam.

Cold options are a major differentiator: cold-brew-style and over-ice recipes get frequent praise and can be genuinely refreshing. At the same time, several reviewers caution that some “cold” drinks rely on plenty of ice and may pour lukewarm otherwise.

Cold extraction/cold brew modes are seen as a fun, usable option that can produce tasty drinks, especially over ice. Multiple reviewers note it can land closer to cool/tepid than truly cold and flavor can vary by bean, but most still call the results enjoyable and easy to replicate.

Multiple reviewers like the built-in cold brew preset for producing a smooth cup in about 2 to 3 hours. It is not a traditional overnight steep, but it is a convenient shortcut for iced coffee routines.

Cold brew and iced modes are a standout theme, with several reviewers calling the cold-brew program genuinely close to traditional cold brew rather than coffee poured over ice. It is framed as both convenient and surprisingly good-tasting for a machine-driven approach.

The over-ice setting is designed to brew a stronger batch that holds up to melting ice, and reviewers report it works, with the main caveat that the hot plate may run during brewing before shutting off.

Some reviews note it can handle cold beverages (iced tea or cold brew steeping) thanks to insulation, but testing detail is limited. Expect it to work for cold steeping, though it is primarily discussed as a hot French press brewer.

Only a couple reviews touch on cold or iced use; the machine can produce coffee over ice, but it is not a true cold-brew system.

Reviews that mention iced coffee generally like the results when you follow the machine's guidance; it's an iced/over-ice mode rather than true cold brew.

Reviewers like the iced and cold-brew style modes for producing smooth, drinkable results without waiting overnight. It is framed as very good convenience rather than true long-extraction cold brew.

When discussed, cold extraction and iced-style drinks are seen as a useful add-on for certain versions, but not a replacement for dedicated cold-brew gear. Several reviewers point out that the feature can depend on model/version and updates.

There is no true cold-brew system; iced drinks are typically made by pulling extra espresso and pouring over ice with milk or syrup.

A few reviews talk about iced drinks mainly as espresso poured over ice rather than a true cold-brew system. When cold extraction is mentioned, it is usually in the context of Touch Impress variants, not the standard Barista Touch.

Cold brew and over-ice performance is polarizing: some find it excellent and convenient, while others see it as less necessary or less tasty than simpler cold-brew methods; it tends to shine for occasional use rather than daily batches.

Cold brew and over-ice modes are a signature feature with mixed outcomes. Some reviewers call it impressive and fast for real cold extraction, while others find it mild or even bitter, suggesting results depend heavily on beans, ratios, and expectations.

There is no true cold-brew system, but reviewers mention capsule options designed for iced-style drinks and note the Vertuo foam can work well in iced latte-style builds.

An iced coffee mode is included and works for over-ice drinks, but it is not true cold brew and some note the texture or balance can feel off for certain cold recipes.

Cold and iced performance is mixed. Some like the option for iced coffee or cold-style recipes, but multiple reviewers call the iced modes closer to brew-over-ice guidance than true cold brew, and several note the system is limited to black cold drinks rather than iced milk beverages.

Iced and cool options get mixed reviews: some are impressed by the cold/iced modes when poured over ice, while others say it is not true cold brew and tastes best with added ice. Several sources point to an optional cold-foam accessory that upgrades iced milk drinks.

At least one review explicitly calls out the lack of a cold brew feature, positioning the KF6 as focused on hot espresso-based drinks rather than iced specialties.

Cold-brew capability is explicitly called out as missing in at least one review, with no true cold-brew option available. If iced and cold-brew style drinks are a priority, reviewers suggest looking at other models designed for that workflow.

There is no dedicated iced coffee or cold brew mode. Reviewers who want variety in brew styles call this out as a missing feature versus more feature-forward competitors.

At least one review notes there is no dedicated cold-extraction mode. Iced drinks generally mean pulling espresso and chilling or pouring over ice.

Reviews note there is no dedicated iced/cold-brew program on these CM5 models. Users who want cold drinks are advised to improvise (for example, brew over ice) rather than rely on a true cold extraction mode.