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Last Updated: 6th May 2021

9 Best Cold Brew Makers 2021

By Helen Cartwright
By Helen Cartwright
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    There are countless reasons why you may prefer cold brew coffee to a traditional warm cup.

    Generally speaking, the coffee produced is less acidic and a lot smoother which is perfect for anybody who needs the benefits of the caffeine without the digestive system or taste bud hit. It tastes nicer when the warm weather arrives too, so you don’t have to fight through drinking your warm drink when you’re struggling to cool down.

    Not only do cold brew makers not require any electricity, but the coffee produced can also be stored for about a week in the fridge without the taste or quality being damaged.

    You may see DIY methods to prepare your own cold brew coffee, but in the end, only a dedicated maker will produce the best taste possible. If you are tempted, we have reviewed the best cold brew coffee makers to help you find the best one.

    Our Top Picks

    The Best Cold Brew Coffee Makers

    Cold Brew Coffee Maker Buying Guide

    Which cold brew coffee maker is for me?

    To find the best cold brew coffee maker for your needs, you will need to consider:

    • The capacity
    • Time it takes to brew
    • Size

    Think about how many cups you will need throughout the time it will keep fresh. Most cold brew coffee blends are stronger than fresh hot coffee once they’ve brewed, so you will only need around a third of a cup before topping up with water or milk (around 100 ml of coffee). If you make one cup per morning, you’ll need roughly 700ml, and so on.

    Also, take into consideration the brewing time. Most will take about 12 hours at the least, but a maximum of 36 for a stronger taste or bigger batch. If you want to make a fresh jugful when you’re running low, so you’ll have it ready in time, it may be worth investing in a separate cold thermos flask for keeping the coffee in the fridge once it is running out.

    On the topic of storage, make sure your fridge will accommodate the flask. The majority need to be stored upright in the milk shelf, so check the measurements against the space you have.

    Price

    The price of cold brew coffee makers generally starts at around £10 and can increase to over £100. The more expensive ones aren’t necessarily better than those that are at the lower end of the scale, but there are sometimes little tell-tale signs regarding quality.

    Some filters may be better than others and other parts, such as lids or handles, may be better quality. In general, however, all of those we reviewed are good enough quality to have made it onto our list of the best cold brew coffee makers.

    Time

    Cold brew coffee is made with cool or room temperature water, so the extraction rate is lower. It takes longer to make a coffee, therefore.

    Most of the makers will recommend a brewing time between 3 and 24 hours, depending on how effective the filter process is and how strong you like your coffee.

    FAQs

    How would I drink cold brew coffee?

    Cold coffee can either be enjoyed as it is straight out of the brewing jug (it may need diluting with some more water), with milk and ice or as a base in a long drink or cocktail.

    There is also nothing to stop you warming it up again, either in a microwave or by adding boiling water.

    Is cold brew coffee concentrated?

    The extra brewing times make it stronger, so you will likely have to use it as a concentrate and dilute it down. This can either be as a 1:2 or 1:3 ratio with hot or cold water, or with milk and ice for a traditional long iced coffee.

    Why can’t I just cool my warm coffee?

    Aromatic coffee oils and flavours will dissolve at cold temperatures if they are given enough time, but the acidic substances in coffee will only dissolve at high temperatures. This is why your hot coffee can sometimes taste a bit bitter, especially if it is left to sit for a while.

    These sour tastes are still present when you cool the coffee down, but because of the cold temperatures, they don’t taste nice at all. Preparing your coffee cold results in a softer, mellower and smoother taste without all the negative aspects, and does not taste acidic.

    Cold brew coffee is therefore perfect for anybody who finds it hard to drink warm drinks due to acid reflux or other digestive issues.

    What type of coffee shall I use?

    Wondering whether to get coarse or fine ground coffee? If your coffee granules are too fine, then they will likely slip through the filter. A coarser blend will stay put, and not move through to create a sediment at the bottom of your carafe. It will also result in a clearer brew and slightly milder taste.

    For this product, it is also important to ensure your coffee granules are essential for cold brew. Some will state on the packet, or just say that they’re only for standard coffee. If you do have a favourite blend, it may just be a case of testing the taste.

    Do the coffee granules have to be fresh?

    Because the more acidic solubles and oils are not extracted in the cold brewing method, the coffee granules don’t have to be as fresh as with preparing hot coffee.

    This makes cold brew perfect for anybody who loves to grind a big batch of their own beans for the freshness, but are then left with a lot of leftovers which immediately start to taste a bit off and stale. There will be no difference in the taste or level of sweetness.

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