Best Ways to Keep Coffee Hot. For some of us coffee drinkers, keeping our brew fresh and hot is crucial. Nothing is more unpleasant than a stale, tepid cup of coffee. It depends on where you are and what you’re doing how you keep your coffee hot. What happens to coffee when it’s kept hot? Is there anything I should avoid doing in order to keep my coffee warm? Knowing a little more about coffee will assist you in keeping it hot and tasting great.
This small set of guidelines should assist you in the majority of situations.

For commuting or to keep something hot for a short period of time, use a thermal cup or mug.
The taste of coffee is barely affected by glass and stainless-steel thermos style bottles.
French Press brewers (such as Bodum) are ineffective at keeping coffee hot. They continue to brew, and the resulting coffee can be extremely bitter.
If at all possible, avoid using direct heat from an element or a hotplate. The loss of essential aromas that influence coffee flavor is slowed by a closed or sealed container.
Coffee that is kept at least 170 degrees F has the best flavor.
A cup of coffee contains a number of taste-related components that change or degrade over time. This means that the flavor of a cup of coffee will continue to change over time, most likely for the worse. The most effective way to deal with this issue is to brew smaller amounts of coffee more frequently. We all know that the best cup of coffee is one that has just been brewed.

So, as you prepare your next pot of coffee, consider how you intend to consume it. It’s no problem if you want it right away. However, if you plan on drinking it over a longer period of time, keep the points we discussed above in mind. Make a plan for how you’ll keep it hot and tasty. Then, and only then, can the brewing begin.