Coffee Joulies The Promise:
Perfect temperature coffee with every sipThe Test:
I am a cold brew drinker
through and through in the summer, but I made an exception to take these for a spin. As someone who both fears a burned tongue and takes my coffee black, I have spent years of my life waiting... and waiting... and waiting for coffee to cool before I can drink it. Joulies, little metal beans that promise to get your coffee down to drinkable temperature (and keep them there!) seem tailor-made for me.
You simply place them in your mug or thermos (one bean for every four ounces of coffee approximately) and add the coffee. Cover for five minutes and while the beans absorb the excess heat, bringing it to a more drinkable 140°F, what the manufacturer claims is the perfect drinking temperature. Once the beans reach 140°, the beans start to release heat, helping it stay at that temperature longer.
Using the beans was pretty easy — and, just as promised, within five minutes, I was slurping down hot coffee at a hot (but non-scalding) temperature. The beans weren't awkward to have in the bottom of the cup, and I just rinsed them off when I cleaned the mug later. I also was able to polish off the whole mug without it getting too cold. In fact, two large cups of coffee into my day, I realized that Joulies might make coffee too
easy for me to drink.
But, as someone who has both burned my tongue and accidentally wasted coffee by letting it get too cold, I was impressed. If you are someone who cools your coffee when you add milk to it, this might not be useful. But for the rest of us, there are Joulies.The Verdict:
I liked the Joulies and will definitely use them in the future. The only drawback is the price — $47.95. But, if you make coffee at home every day, that works out to almost 13¢ a cup over a year. If you are regularly scalding your tongue, it may be worth the investment.