Keep Your Coffee Hot This Winter

Winter is well and truly here, and we thought it'd be a good time to talk about heat. Hot, clean water is possible the most important part of the brewing process after getting good, fresh ground coffee. It's no wonder then that heat is often the sticking point for a lot of coffee drinkers! We often hear about how coffee out of superautos isn't hot enough, or how warming plates won't stay on long enough. We figured now would be a great time to talk about some ways to keep your coffee hot, and help set expectations.

Drip Brewing

One of the biggest questions with brewing drip coffee is whether glass or stainless carafes are better for heat. The truth is, they just work differently. Stainless steel carafes insulate your coffee to keep it warm vs. being heated by a plate underneath for a glass carafe. Either way, your coffee won't stay hot for more than an hour or two. You can help this by running hot water into the carafe to heat it prior to brewing. This will heat the carafe so that the coffee doesn't bleed as much temperature into it during brewing. Either way, you should expect to need to brew more coffee after an hour or two. If you find it hard to drink a whole pot in that time, just consider brewing less coffee!

If you're trying to serve coffee for a group at an office or event, consider a batch brewer. Nothing keeps drip coffee hot for hours and hours like an airpot!

Pour Over

For pour over, there's a trick that will really help you with heat retention, and that's leaving your dripper and filter over your server. By only removing these for pouring the coffee, your server will retain more heat. This means you can brew a couple of cups worth and it'll stay warm. Other tips include pre-heating the server by pouring hot water into it, pre-heating your cup the same way, and transferring the coffee to an insulated thermos right after brewing.

Espresso

A big one for espresso is keeping your portafilter hot. Special brew groups like E-61s will do this automatically. In any case though, you should keep your portafilter in the machine at all times to aid with this heat. If you have a machine that doesn't heat the portafilter, run a shot's worth of water through it before pulling your espresso. This will heat the portafilter and help with even extraction and heat during brewing. Keeping your cup warm helps here too.

For superautos, heat is just an issue that comes with the territory. These are machines with lots of moving parts packed into tight spaces. Unfortunately, their need to flash heat water quickly to maintain convenience means they just don't always produce drinks as hot as you'd like. Our best recommendation for superautos is to try steaming your milk prior to brewing, as this heats the water more and generally increases the temperature to the machine. We also recommend consuming your drink shortly after brewing to enjoy it at its hottest! If you still find that your superauto isn't as hot as you'd like, it might be time to consider switching it up to a semi-auto.

That's all for now, we hope you enjoy some (hot) coffee you love this Winter!

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